UNUOM Units of Measure
UNUOM Revision 9 (2014)
Code  Description  Notes 

05 
lift 

06 
small spray 

08 
heat lot 

10 
group 
A unit of count defining the number of groups (group: set of items classified together). 
11 
outfit 
A unit of count defining the number of outfits (outfit: a complete set of equipment / materials / objects used for a specific purpose). 
13 
ration 
A unit of count defining the number of rations (ration: a single portion of provisions). 
14 
shot 
A unit of liquid measure, especially related to spirits. 
15 
stick, military 
A unit of count defining the number of military sticks (military stick: bombs or paratroops released in rapid succession from an aircraft). 
16 
hundred fifteen kg drum 

17 
hundred lb drum 

18 
fiftyfive gallon (US) drum 

19 
tank truck 

20 
twenty foot container 
A unit of count defining the number of shipping containers that measure 20 foot in length. 
21 
forty foot container 
A unit of count defining the number of shipping containers that measure 40 foot in length. 
22 
decilitre per gram 

23 
gram per cubic centimetre 

24 
theoretical pound 
A unit of mass defining the expected mass of material expressed as the number of pounds. 
25 
gram per square centimetre 

26 
actual ton 

27 
theoretical ton 
A unit of mass defining the expected mass of material, expressed as the number of tons. 
28 
kilogram per square metre 

29 
pound per thousand square foot 

30 
horse power day per air dry metric ton 

31 
catch weight 

32 
kilogram per air dry metric ton 

33 
kilopascal square metre per gram 

34 
kilopascal per millimetre 

35 
millilitre per square centimetre second 

36 
cubic foot per minute per square foot 
Conversion factor required 
37 
ounce per square foot 

38 
ounce per square foot per 0,01inch 

40 
millilitre per second 

41 
millilitre per minute 

43 
super bulk bag 

44 
fivehundred kg bulk bag 

45 
threehundred kg bulk bag 

46 
fifty lb bulk bag 

47 
fifty lb bag 

48 
bulk car load 

53 
theoretical kilogram 

54 
theoretical tonne 

56 
sitas 
A unit of area for tin plate equal to a surface area of 100 square metres. 
57 
mesh 
A unit of count defining the number of strands per inch as a measure of the fineness of a woven product. 
58 
net kilogram 
A unit of mass defining the total number of kilograms after deductions. 
59 
part per million 
A unit of proportion equal to 10⁻⁶. 
60 
percent weight 
A unit of proportion equal to 10⁻². 
61 
part per billion (US) 
A unit of proportion equal to 10⁻⁹. 
62 
percent per 1000 hour 

63 
failure rate in time 

64 
pound per square inch, gauge 

66 
oersted 

69 
test specific scale 

71 
volt ampere per pound 

72 
watt per pound 

73 
ampere tum per centimetre 

74 
millipascal 

76 
gauss 

77 
milliinch 

78 
kilogauss 

80 
pound per square inch absolute 

81 
henry 

84 
kilopoundforce per square inch 
A unit of pressure defining the number of kilopounds force per square inch. Use kip per square inch (common code N20)." 
85 
foot poundforce 

87 
pound per cubic foot 

89 
poise 

90 
Saybold universal second 

91 
stokes 

92 
calorie per cubic centimetre 

93 
calorie per gram 
Use International Table (IT) calorie per gram (common code D75). 
94 
curl unit 

95 
twenty thousand gallon (US) tankcar 

96 
ten thousand gallon (US) tankcar 

97 
ten kg drum 

98 
fifteen kg drum 

1A 
car mile 

1B 
car count 

1C 
locomotive count 

1D 
caboose count 

1E 
empty car 

1F 
train mile 

1G 
fuel usage gallon (US) 

1H 
caboose mile 

1I 
fixed rate 
A unit of quantity expressed as a predetermined or set rate for usage of a facility or service. 
1J 
ton mile 

1K 
locomotive mile 

1L 
total car count 

1M 
total car mile 

1X 
quarter mile 

2A 
radian per second 
Refer ISO/TC12 SI Guide 
2B 
radian per second squared 
Refer ISO/TC12 SI Guide 
2C 
roentgen 

2G 
volt AC 
A unit of electric potential in relation to alternating current (AC). 
2H 
volt DC 
A unit of electric potential in relation to direct current (DC). 
2I 
British thermal unit (international table) per hour 

2J 
cubic centimetre per second 

2K 
cubic foot per hour 

2L 
cubic foot per minute 

2M 
centimetre per second 

2N 
decibel 

2P 
kilobyte 
A unit of information equal to 10³ (1000) bytes. 
2Q 
kilobecquerel 

2R 
kilocurie 

2U 
megagram 

2V 
megagram per hour 

2W 
bin 

2X 
metre per minute 

2Y 
milliroentgen 

2Z 
millivolt 

3B 
megajoule 

3C 
manmonth 
A unit of count defining the number of months for a person or persons to perform an undertaking. 
3E 
pound per pound of product 

3G 
pound per piece of product 

3H 
kilogram per kilogram of product 

3I 
kilogram per piece of product 

4A 
bobbin 

4B 
cap 

4C 
centistokes 

4E 
twenty pack 

4G 
microlitre 

4H 
micrometre (micron) 

4K 
milliampere 

4L 
megabyte 
A unit of information equal to 10⁶ (1000000) bytes. 
4M 
milligram per hour 

4N 
megabecquerel 

4O 
microfarad 

4P 
newton per metre 

4Q 
ounce inch 

4R 
ounce foot 

4T 
picofarad 

4U 
pound per hour 

4W 
ton (US) per hour 

4X 
kilolitre per hour 

5A 
barrel (US) per minute 

5B 
batch 
A unit of count defining the number of batches (batch: quantity of material produced in one operation or number of animals or persons coming at once). 
5C 
gallon(US) per thousand 

5E 
MMSCF/day 
A unit of volume equal to one million (1000000) cubic feet of gas per day. 
5F 
pound per thousand 

5G 
pump 

5H 
stage 

5I 
standard cubic foot 
Use standard (common code WSD) 
5J 
hydraulic horse power 
A unit of power defining the hydraulic horse power delivered by a fluid pump depending on the viscosity of the fluid. 
5K 
count per minute 

5P 
seismic level 

5Q 
seismic line 

A1 
15 °C calorie 

A10 
ampere square metre per joule second 

A11 
angstrom 

A12 
astronomical unit 

A13 
attojoule 

A14 
barn 

A15 
barn per electronvolt 

A16 
barn per steradian electronvolt 

A17 
barn per steradian 

A18 
becquerel per kilogram 

A19 
becquerel per cubic metre 

A2 
ampere per centimetre 

A20 
British thermal unit (international table) per second square foot degree Rankine 

A21 
British thermal unit (international table) per pound degree Rankine 

A22 
British thermal unit (international table) per second foot degree Rankine 

A23 
British thermal unit (international table) per hour square foot degree Rankine 

A24 
candela per square metre 

A25 
cheval vapeur 
Synonym: metric horse power 
A26 
coulomb metre 

A27 
coulomb metre squared per volt 

A28 
coulomb per cubic centimetre 

A29 
coulomb per cubic metre 

A3 
ampere per millimetre 

A30 
coulomb per cubic millimetre 

A31 
coulomb per kilogram second 

A32 
coulomb per mole 

A33 
coulomb per square centimetre 

A34 
coulomb per square metre 

A35 
coulomb per square millimetre 

A36 
cubic centimetre per mole 

A37 
cubic decimetre per mole 

A38 
cubic metre per coulomb 

A39 
cubic metre per kilogram 

A4 
ampere per square centimetre 

A40 
cubic metre per mole 

A41 
ampere per square metre 

A42 
curie per kilogram 

A43 
deadweight tonnage 
A unit of mass defining the difference between the weight of a ship when completely empty and its weight when completely loaded, expressed as the number of tons. 
A44 
decalitre 

A45 
decametre 

A47 
decitex 
A unit of yarn density. One decitex equals a mass of 1 gram per 10 kilometres of length. 
A48 
degree Rankine 
Refer ISO 800005 (Quantities and units — Part 5: Thermodynamics) 
A49 
denier 
A unit of yarn density. One denier equals a mass of 1 gram per 9 kilometres of length. 
A5 
ampere square metre 

A50 
dyne second per cubic centimetre 

A51 
dyne second per centimetre 

A52 
dyne second per centimetre to the fifth power 

A53 
electronvolt 

A54 
electronvolt per metre 

A55 
electronvolt square metre 

A56 
electronvolt square metre per kilogram 

A57 
erg 

A58 
erg per centimetre 

A59 
8part cloud cover 
A unit of count defining the number of eighthparts as a measure of the celestial dome cloud coverage. Synonym: OKTA, OCTA 
A6 
ampere per square metre kelvin squared 

A60 
erg per cubic centimetre 

A61 
erg per gram 

A62 
erg per gram second 

A63 
erg per second 

A64 
erg per second square centimetre 

A65 
erg per square centimetre second 

A66 
erg square centimetre 

A67 
erg square centimetre per gram 

A68 
exajoule 

A69 
farad per metre 

A7 
ampere per square millimetre 

A70 
femtojoule 

A71 
femtometre 

A73 
foot per second squared 

A74 
foot poundforce per second 

A75 
freight ton 
A unit of information typically used for billing purposes, defined as either the number of metric tons or the number of cubic metres, whichever is the larger. 
A76 
gal 

A77 
Gaussian CGS (CentimetreGramSecond system) unit of displacement 

A78 
Gaussian CGS (CentimetreGramSecond system) unit of electric current 

A79 
Gaussian CGS (CentimetreGramSecond system) unit of electric charge 

A8 
ampere second 

A80 
Gaussian CGS (CentimetreGramSecond system) unit of electric field strength 

A81 
Gaussian CGS (CentimetreGramSecond system) unit of electric polarization 

A82 
Gaussian CGS (CentimetreGramSecond system) unit of electric potential 

A83 
Gaussian CGS (CentimetreGramSecond system) unit of magnetization 

A84 
gigacoulomb per cubic metre 

A85 
gigaelectronvolt 

A86 
gigahertz 

A87 
gigaohm 

A88 
gigaohm metre 

A89 
gigapascal 

A9 
rate 
A unit of quantity expressed as a rate for usage of a facility or service. 
A90 
gigawatt 

A91 
gon 
Synonym: grade 
A93 
gram per cubic metre 

A94 
gram per mole 

A95 
gray 

A96 
gray per second 

A97 
hectopascal 

A98 
henry per metre 

A99 
bit 
A unit of information equal to one binary digit. 
AA 
ball 
A unit of count defining the number of balls (ball: object formed in the shape of sphere). 
AB 
bulk pack 
A unit of count defining the number of items per bulk pack. 
ACR 
acre 

ACT 
activity 
A unit of count defining the number of activities (activity: a unit of work or action). 
AD 
byte 
A unit of information equal to 8 bits. 
AE 
ampere per metre 

AH 
additional minute 
A unit of time defining the number of minutes in addition to the referenced minutes. 
AI 
average minute per call 
A unit of count defining the number of minutes for the average interval of a call. 
AJ 
cop 

AK 
fathom 

AL 
access line 
A unit of count defining the number of telephone access lines. 
AM 
ampoule 

AMH 
ampere hour 
A unit of electric charge defining the amount of charge accumulated by a steady flow of one ampere for one hour. 
AMP 
ampere 

ANN 
year 
Unit of time equal to 365,25 days. Synonym: Julian year 
AP 
aluminium pound only 

APZ 
troy ounce or apothecary ounce 

AQ 
antihemophilic factor (AHF) unit 
A unit of measure for blood potency (US). 
AR 
suppository 

ARE 
are 
Synonym: square decametre 
AS 
assortment 
A unit of count defining the number of assortments (assortment: set of items grouped in a mixed collection). 
ASM 
alcoholic strength by mass 
A unit of mass defining the alcoholic strength of a liquid. 
ASU 
alcoholic strength by volume 
A unit of volume defining the alcoholic strength of a liquid (e.g. spirit, wine, beer, etc), often at a specific temperature. 
ATM 
standard atmosphere 

ATT 
technical atmosphere 

AV 
capsule 

AW 
powder filled vial 

AY 
assembly 
A unit of count defining the number of assemblies (assembly: items that consist of component parts). 
AZ 
British thermal unit (international table) per pound 

B0 
Btu per cubic foot 

B1 
barrel (US) per day 

B10 
bit per second 
A unit of information equal to one binary digit per second. 
B11 
joule per kilogram kelvin 

B12 
joule per metre 

B13 
joule per square metre 
Synonym: joule per metre squared 
B14 
joule per metre to the fourth power 

B15 
joule per mole 

B16 
joule per mole kelvin 

B17 
credit 
A unit of count defining the number of entries made to the credit side of an account. 
B18 
joule second 

B19 
digit 
A unit of information defining the quantity of numerals used to form a number. 
B2 
bunk 

B20 
joule square metre per kilogram 

B21 
kelvin per watt 

B22 
kiloampere 

B23 
kiloampere per square metre 

B24 
kiloampere per metre 

B25 
kilobecquerel per kilogram 

B26 
kilocoulomb 

B27 
kilocoulomb per cubic metre 

B28 
kilocoulomb per square metre 

B29 
kiloelectronvolt 

B3 
batting pound 
A unit of mass defining the number of pounds of wadded fibre. 
B30 
gibibit 
A unit of information equal to 2³⁰ bits (binary digits). 
B31 
kilogram metre per second 

B32 
kilogram metre squared 

B33 
kilogram metre squared per second 

B34 
kilogram per cubic decimetre 

B35 
kilogram per litre 

B36 
calorie (thermochemical) per gram 

B37 
kilogramforce 

B38 
kilogramforce metre 

B39 
kilogramforce metre per second 

B4 
barrel, imperial 
A unit of volume used to measure beer. One beer barrel equals 36 imperial gallons. 
B40 
kilogramforce per square metre 

B41 
kilojoule per kelvin 

B42 
kilojoule per kilogram 

B43 
kilojoule per kilogram kelvin 

B44 
kilojoule per mole 

B45 
kilomole 

B46 
kilomole per cubic metre 

B47 
kilonewton 

B48 
kilonewton metre 

B49 
kiloohm 

B5 
billet 

B50 
kiloohm metre 

B51 
kilopond 
Synonym: kilogramforce 
B52 
kilosecond 

B53 
kilosiemens 

B54 
kilosiemens per metre 

B55 
kilovolt per metre 

B56 
kiloweber per metre 

B57 
light year 
A unit of length defining the distance that light travels in a vacuum in one year. 
B58 
litre per mole 

B59 
lumen hour 

B6 
bun 

B60 
lumen per square metre 

B61 
lumen per watt 

B62 
lumen second 

B63 
lux hour 

B64 
lux second 

B65 
maxwell 

B66 
megaampere per square metre 

B67 
megabecquerel per kilogram 

B68 
gigabit 
A unit of information equal to 10⁹ bits (binary digits). 
B69 
megacoulomb per cubic metre 

B7 
cycle 
A unit of count defining the number of cycles (cycle: a recurrent period of definite duration). 
B70 
megacoulomb per square metre 

B71 
megaelectronvolt 

B72 
megagram per cubic metre 

B73 
meganewton 

B74 
meganewton metre 

B75 
megaohm 

B76 
megaohm metre 

B77 
megasiemens per metre 

B78 
megavolt 

B79 
megavolt per metre 

B8 
joule per cubic metre 

B80 
gigabit per second 
A unit of information equal to 10⁹ bits (binary digits) per second. 
B81 
reciprocal metre squared reciprocal second 

B82 
inch per linear foot 
A unit of length defining the number of inches per linear foot. 
B83 
metre to the fourth power 

B84 
microampere 

B85 
microbar 

B86 
microcoulomb 

B87 
microcoulomb per cubic metre 

B88 
microcoulomb per square metre 

B89 
microfarad per metre 

B9 
batt 

B90 
microhenry 

B91 
microhenry per metre 

B92 
micronewton 

B93 
micronewton metre 

B94 
microohm 

B95 
microohm metre 

B96 
micropascal 

B97 
microradian 

B98 
microsecond 

B99 
microsiemens 

BAR 
bar [unit of pressure] 

BB 
base box 
A unit of area of 112 sheets of tin mil products (tin plate, tin free steel or black plate) 14 by 20 inches, or 31,360 square inches. 
BD 
board 

BE 
bundle 

BFT 
board foot 
A unit of volume defining the number of cords (cord: a stack of firewood of 128 cubic feet). 
BG 
bag 

BH 
brush 

BHP 
brake horse power 

BIL 
billion (EUR) 
Synonym: trillion (US) 
BJ 
bucket 

BK 
basket 

BL 
bale 

BLD 
dry barrel (US) 

BLL 
barrel (US) 

BO 
bottle 

BP 
hundred board foot 
A unit of volume equal to one hundred board foot. 
BQL 
becquerel 

BR 
bar [unit of packaging] 

BT 
bolt 

BTU 
British thermal unit (international table) 

BUA 
bushel (US) 

BUI 
bushel (UK) 

BW 
base weight 

BX 
box 

BZ 
million BTUs 

C0 
call 
A unit of count defining the number of calls (call: communication session or visitation). 
C1 
composite product pound (total weight) 

C10 
millifarad 

C11 
milligal 

C12 
milligram per metre 

C13 
milligray 

C14 
millihenry 

C15 
millijoule 

C16 
millimetre per second 

C17 
millimetre squared per second 

C18 
millimole 

C19 
mole per kilogram 

C2 
carset 

C20 
millinewton 

C21 
kibibit 
A unit of information equal to 2¹⁰ (1024) bits (binary digits). 
C22 
millinewton per metre 

C23 
milliohm metre 

C24 
millipascal second 

C25 
milliradian 

C26 
millisecond 

C27 
millisiemens 

C28 
millisievert 

C29 
millitesla 

C3 
microvolt per metre 

C30 
millivolt per metre 

C31 
milliwatt 

C32 
milliwatt per square metre 

C33 
milliweber 

C34 
mole 

C35 
mole per cubic decimetre 

C36 
mole per cubic metre 

C37 
kilobit 
A unit of information equal to 10³ (1000) bits (binary digits). 
C38 
mole per litre 

C39 
nanoampere 

C4 
carload 

C40 
nanocoulomb 

C41 
nanofarad 

C42 
nanofarad per metre 

C43 
nanohenry 

C44 
nanohenry per metre 

C45 
nanometre 

C46 
nanoohm metre 

C47 
nanosecond 

C48 
nanotesla 

C49 
nanowatt 

C5 
cost 

C50 
neper 

C51 
neper per second 

C52 
picometre 

C53 
newton metre second 

C54 
newton metre squared per kilogram squared 

C55 
newton per square metre 

C56 
newton per square millimetre 

C57 
newton second 

C58 
newton second per metre 

C59 
octave 
A unit used in music to describe the ratio in frequency between notes. 
C6 
cell 

C60 
ohm centimetre 

C61 
ohm metre 

C62 
one 
Synonym: unit 
C63 
parsec 

C64 
pascal per kelvin 

C65 
pascal second 

C66 
pascal second per cubic metre 

C67 
pascal second per metre 

C68 
petajoule 

C69 
phon 
A unit of subjective sound loudness. A sound has loudness p phons if it seems to the listener to be equal in loudness to the sound of a pure tone of frequency 1 kilohertz and strength p decibels. 
C7 
centipoise 

C70 
picoampere 

C71 
picocoulomb 

C72 
picofarad per metre 

C73 
picohenry 

C74 
kilobit per second 
A unit of information equal to 10³ (1000) bits (binary digits) per second. 
C75 
picowatt 

C76 
picowatt per square metre 

C77 
pound gage 

C78 
poundforce 

C79 
kilovolt ampere hour 
A unit of accumulated energy of 1000 volt amperes over a period of one hour. 
C8 
millicoulomb per kilogram 

C80 
rad 

C81 
radian 

C82 
radian square metre per mole 

C83 
radian square metre per kilogram 

C84 
radian per metre 

C85 
reciprocal angstrom 

C86 
reciprocal cubic metre 

C87 
reciprocal cubic metre per second 
Synonym: reciprocal second per cubic metre 
C88 
reciprocal electron volt per cubic metre 

C89 
reciprocal henry 

C9 
coil group 
A unit of count defining the number of coil groups (coil group: groups of items arranged by lengths of those items placed in a joined sequence of concentric circles). 
C90 
reciprocal joule per cubic metre 

C91 
reciprocal kelvin or kelvin to the power minus one 

C92 
reciprocal metre 

C93 
reciprocal square metre 
Synonym: reciprocal metre squared 
C94 
reciprocal minute 

C95 
reciprocal mole 

C96 
reciprocal pascal or pascal to the power minus one 

C97 
reciprocal second 

C98 
reciprocal second per cubic metre 

C99 
reciprocal second per metre squared 

CA 
can 

CCT 
carrying capacity in metric ton 
A unit of mass defining the carrying capacity, expressed as the number of metric tons. 
CDL 
candela 

CEL 
degree Celsius 
Refer ISO 800005 (Quantities and units — Part 5: Thermodynamics) 
CEN 
hundred 
A unit of count defining the number of units in multiples of 100. 
CG 
card 
A unit of count defining the number of units of card (card: thick stiff paper or cardboard). 
CGM 
centigram 

CH 
container 

CJ 
cone 

CK 
connector 

CKG 
coulomb per kilogram 

CL 
coil 

CLF 
hundred leave 
A unit of count defining the number of leaves, expressed in units of one hundred leaves. 
CLT 
centilitre 

CMK 
square centimetre 

CMQ 
cubic centimetre 

CMT 
centimetre 

CNP 
hundred pack 
A unit of count defining the number of hundredpacks (hundredpack: set of one hundred items packaged together). 
CNT 
cental (UK) 
A unit of mass equal to one hundred weight (US). 
CO 
carboy 

COU 
coulomb 

CQ 
cartridge 

CR 
crate 

CS 
case 

CT 
carton 

CTG 
content gram 
A unit of mass defining the number of grams of a named item in a product. 
CTM 
metric carat 

CTN 
content ton (metric) 
A unit of mass defining the number of metric tons of a named item in a product. 
CU 
cup 

CUR 
curie 

CV 
cover 

CWA 
hundred pound (cwt) / hundred weight (US) 

CWI 
hundred weight (UK) 

CY 
cylinder 

CZ 
combo 

D03 
kilowatt hour per hour 
A unit of accumulated energy of a thousand watts over a period of one hour. 
D04 
lot [unit of weight] 
A unit of weight equal to about 1/2 ounce or 15 grams. 
D1 
reciprocal second per steradian 

D10 
siemens per metre 

D11 
mebibit 
A unit of information equal to 2²⁰ (1048576) bits (binary digits). 
D12 
siemens square metre per mole 

D13 
sievert 

D14 
thousand linear yard 

D15 
sone 
A unit of subjective sound loudness. One sone is the loudness of a pure tone of frequency one kilohertz and strength 40 decibels. 
D16 
square centimetre per erg 

D17 
square centimetre per steradian erg 

D18 
metre kelvin 

D19 
square metre kelvin per watt 

D2 
reciprocal second per steradian metre squared 

D20 
square metre per joule 

D21 
square metre per kilogram 

D22 
square metre per mole 

D23 
pen gram (protein) 
A unit of count defining the number of grams of amino acid prescribed for parenteral/enteral therapy. 
D24 
square metre per steradian 

D25 
square metre per steradian joule 

D26 
square metre per volt second 

D27 
steradian 

D28 
syphon 

D29 
terahertz 

D30 
terajoule 

D31 
terawatt 

D32 
terawatt hour 

D33 
tesla 

D34 
tex 
A unit of yarn density. One decitex equals a mass of 1 gram per 1 kilometre of length. 
D35 
calorie (thermochemical) 

D36 
megabit 
A unit of information equal to 10⁶ (1000000) bits (binary digits). 
D37 
calorie (thermochemical) per gram kelvin 

D38 
calorie (thermochemical) per second centimetre kelvin 

D39 
calorie (thermochemical) per second square centimetre kelvin 

D40 
thousand litre 

D41 
tonne per cubic metre 

D42 
tropical year 

D43 
unified atomic mass unit 

D44 
var 
The name of the unit is an acronym for voltamperereactive. 
D45 
volt squared per kelvin squared 

D46 
volt  ampere 

D47 
volt per centimetre 

D48 
volt per kelvin 

D49 
millivolt per kelvin 

D5 
kilogram per square centimetre 

D50 
volt per metre 

D51 
volt per millimetre 

D52 
watt per kelvin 

D53 
watt per metre kelvin 

D54 
watt per square metre 

D55 
watt per square metre kelvin 

D56 
watt per square metre kelvin to the fourth power 

D57 
watt per steradian 

D58 
watt per steradian square metre 

D59 
weber per metre 

D6 
roentgen per second 

D60 
weber per millimetre 

D61 
minute [unit of angle] 

D62 
second [unit of angle] 

D63 
book 
A unit of count defining the number of books (book: set of items bound together or written document of a material whole). 
D64 
block 

D65 
round 
A unit of count defining the number of rounds (round: A circular or cylindrical object). 
D66 
cassette 

D67 
dollar per hour 

D68 
number of words 
A unit of count defining the number of words. 
D69 
inch to the fourth power 

D7 
sandwich 

D70 
calorie (international table) 

D71 
calorie (international table) per second centimetre kelvin 

D72 
calorie (international table) per second square centimetre kelvin 

D73 
joule square metre 

D74 
kilogram per mole 

D75 
calorie (international table) per gram 

D76 
calorie (international table) per gram kelvin 

D77 
megacoulomb 

D78 
megajoule per second 
A unit of accumulated energy equal to one million joules per second. 
D79 
beam 

D8 
draize score 

D80 
microwatt 

D81 
microtesla 

D82 
microvolt 

D83 
millinewton metre 

D85 
microwatt per square metre 

D86 
millicoulomb 

D87 
millimole per kilogram 

D88 
millicoulomb per cubic metre 

D89 
millicoulomb per square metre 

D9 
dyne per square centimetre 

D90 
cubic metre (net) 

D91 
rem 

D92 
band 

D93 
second per cubic metre 

D94 
second per cubic metre radian 

D95 
joule per gram 

D96 
pound gross 

D97 
pallet/unit load 

D98 
mass pound 

D99 
sleeve 

DAA 
decare 

DAD 
ten day 
A unit of time defining the number of days in multiples of 10. 
DAY 
day 

DB 
dry pound 
A unit of mass defining the number of pounds of a product, disregarding the water content of the product. 
DC 
disk (disc) 

DD 
degree [unit of angle] 

DE 
deal 

DEC 
decade 
A unit of count defining the number of decades (decade: quantity equal to 10 or time equal to 10 years). 
DG 
decigram 

DI 
dispenser 

DJ 
decagram 

DLT 
decilitre 

DMA 
cubic decametre 

DMK 
square decimetre 

DMO 
standard kilolitre 
A unit of volume defining the number of kilolitres of a product at a temperature of 15 degrees Celsius, especially in relation to hydrocarbon oils. 
DMQ 
cubic decimetre 

DMT 
decimetre 

DN 
decinewton metre 

DPC 
dozen piece 
A unit of count defining the number of pieces in multiples of 12 (piece: a single item, article or exemplar). 
DPR 
dozen pair 
A unit of count defining the number of pairs in multiples of 12 (pair: item described by two’s). 
DPT 
displacement tonnage 
A unit of mass defining the volume of sea water a ship displaces, expressed as the number of tons. 
DQ 
data record 

DR 
drum 

DRA 
dram (US) 
Synonym: drachm (UK), troy dram 
DRI 
dram (UK) 
Synonym: avoirdupois dram 
DRL 
dozen roll 
A unit of count defining the number of rolls, expressed in twelve roll units. 
DRM 
drachm (UK) 

DS 
display 

DT 
dry ton 
A unit of mass defining the number of tons of a product, disregarding the water content of the product. 
DTN 
decitonne 
Synonym: centner, metric 100 kg; quintal, metric 100 kg 
DU 
dyne 

DWT 
pennyweight 

DX 
dyne per centimetre 

DY 
directory book 

DZN 
dozen 
A unit of count defining the number of units in multiples of 12. 
DZP 
dozen pack 
A unit of count defining the number of packs in multiples of 12 (pack: standard packaging unit). 
E01 
newton per square centimetre 
A measure of pressure expressed in newtons per square centimetre. 
E07 
megawatt hour per hour 
A unit of accumulated energy of a million watts over a period of one hour. 
E08 
megawatt per hertz 
A unit of energy expressed as the load change in million watts that will cause a frequency shift of one hertz. 
E09 
milliampere hour 
A unit of power load delivered at the rate of one thousandth of an ampere over a period of one hour. 
E10 
degree day 
A unit of measure used in meteorology and engineering to measure the demand for heating or cooling over a given period of days. 
E11 
gigacalorie 
A unit of heat energy equal to one thousand million calories. 
E12 
mille 
A unit of count defining the number of cigarettes in units of 1000. 
E14 
kilocalorie (international table) 
A unit of heat energy equal to one thousand calories. 
E15 
kilocalorie (thermochemical) per hour 
A unit of energy equal to one thousand calories per hour. 
E16 
million Btu(IT) per hour 
A unit of power equal to one million British thermal units per hour. 
E17 
cubic foot per second 
A unit of volume equal to one cubic foot passing a given point in a period of one second. 
E18 
tonne per hour 
A unit of weight or mass equal to one tonne per hour. 
E19 
ping 
A unit of area equal to 3.3 square metres. 
E2 
belt 

E20 
megabit per second 
A unit of information equal to 10⁶ (1000000) bits (binary digits) per second. 
E21 
shares 
A unit of count defining the number of shares (share: a total or portion of the parts into which a business entity’s capital is divided). 
E22 
TEU 
A unit of count defining the number of twentyfoot equivalent units (TEUs) as a measure of containerized cargo capacity. 
E23 
tyre 
A unit of count defining the number of tyres (a solid or airfilled covering placed around a wheel rim to form a soft contact with the road, absorb shock and provide traction). 
E25 
active unit 
A unit of count defining the number of active units within a substance. 
E27 
dose 
A unit of count defining the number of doses (dose: a definite quantity of a medicine or drug). 
E28 
air dry ton 
A unit of mass defining the number of tons of a product, disregarding the water content of the product. 
E3 
trailer 

E30 
strand 
A unit of count defining the number of strands (strand: long, thin, flexible, single thread, strip of fibre, constituent filament or multiples of the same, twisted together). 
E31 
square metre per litre 
A unit of count defining the number of square metres per litre. 
E32 
litre per hour 
A unit of count defining the number of litres per hour. 
E33 
foot per thousand 
A unit of count defining the number of feet per thousand units. 
E34 
gigabyte 
A unit of information equal to 10⁹ bytes. 
E35 
terabyte 
A unit of information equal to 10¹² bytes. 
E36 
petabyte 
A unit of information equal to 10¹⁵ bytes. 
E37 
pixel 
A unit of count defining the number of pixels (pixel: picture element). 
E38 
megapixel 
A unit of count equal to 10⁶ (1000000) pixels (picture elements). 
E39 
dots per inch 
A unit of information defining the number of dots per linear inch as a measure of the resolution or sharpness of a graphic image. 
E4 
gross kilogram 
A unit of mass defining the total number of kilograms before deductions. 
E40 
part per hundred thousand 
A unit of proportion equal to 10⁻⁵. 
E41 
kilogramforce per square millimetre 
A unit of pressure defining the number of kilograms force per square millimetre. 
E42 
kilogramforce per square centimetre 
A unit of pressure defining the number of kilograms force per square centimetre. 
E43 
joule per square centimetre 
A unit of energy defining the number of joules per square centimetre. 
E44 
kilogramforce metre per square centimetre 
A unit of torsion defining the torque kilogramforce metre per square centimetre. 
E45 
milliohm 

E46 
kilowatt hour per cubic metre 
A unit of energy consumption expressed as kilowatt hour per cubic metre. 
E47 
kilowatt hour per kelvin 
A unit of energy consumption expressed as kilowatt hour per kelvin. 
E48 
service unit 
A unit of count defining the number of service units (service unit: defined period / property / facility / utility of supply). 
E49 
working day 
A unit of count defining the number of working days (working day: a day on which work is ordinarily performed). 
E5 
metric long ton 
Use ton (UK) or long ton (US) (common code LTN) 
E50 
accounting unit 
A unit of count defining the number of accounting units. 
E51 
job 
A unit of count defining the number of jobs. 
E52 
run foot 
A unit of count defining the number feet per run. 
E53 
test 
A unit of count defining the number of tests. 
E54 
trip 
A unit of count defining the number of trips. 
E55 
use 
A unit of count defining the number of times an object is used. 
E56 
well 
A unit of count defining the number of wells. 
E57 
zone 
A unit of count defining the number of zones. 
E58 
exabit per second 
A unit of information equal to 10¹⁸ bits (binary digits) per second. 
E59 
exbibyte 
A unit of information equal to 2⁶⁰ bytes. 
E60 
pebibyte 
A unit of information equal to 2⁵⁰ bytes. 
E61 
tebibyte 
A unit of information equal to 2⁴⁰ bytes. 
E62 
gibibyte 
A unit of information equal to 2³⁰ bytes. 
E63 
mebibyte 
A unit of information equal to 2²⁰ bytes. 
E64 
kibibyte 
A unit of information equal to 2¹⁰ bytes. 
E65 
exbibit per metre 
A unit of information equal to 2⁶⁰ bits (binary digits) per metre. 
E66 
exbibit per square metre 
A unit of information equal to 2⁶⁰ bits (binary digits) per square metre. 
E67 
exbibit per cubic metre 
A unit of information equal to 2⁶⁰ bits (binary digits) per cubic metre. 
E68 
gigabyte per second 
A unit of information equal to 10⁹ bytes per second. 
E69 
gibibit per metre 
A unit of information equal to 2³⁰ bits (binary digits) per metre. 
E70 
gibibit per square metre 
A unit of information equal to 2³⁰ bits (binary digits) per square metre. 
E71 
gibibit per cubic metre 
A unit of information equal to 2³⁰ bits (binary digits) per cubic metre. 
E72 
kibibit per metre 
A unit of information equal to 2¹⁰ bits (binary digits) per metre. 
E73 
kibibit per square metre 
A unit of information equal to 2¹⁰ bits (binary digits) per square metre. 
E74 
kibibit per cubic metre 
A unit of information equal to 2¹⁰ bits (binary digits) per cubic metre. 
E75 
mebibit per metre 
A unit of information equal to 2²⁰ bits (binary digits) per metre. 
E76 
mebibit per square metre 
A unit of information equal to 2²⁰ bits (binary digits) per square metre. 
E77 
mebibit per cubic metre 
A unit of information equal to 2²⁰ bits (binary digits) per cubic metre. 
E78 
petabit 
A unit of information equal to 10¹⁵ bits (binary digits). 
E79 
petabit per second 
A unit of information equal to 10¹⁵ bits (binary digits) per second. 
E80 
pebibit per metre 
A unit of information equal to 2⁵⁰ bits (binary digits) per metre. 
E81 
pebibit per square metre 
A unit of information equal to 2⁵⁰ bits (binary digits) per square metre. 
E82 
pebibit per cubic metre 
A unit of information equal to 2⁵⁰ bits (binary digits) per cubic metre. 
E83 
terabit 
A unit of information equal to 10¹² bits (binary digits). 
E84 
terabit per second 
A unit of information equal to 10¹² bits (binary digits) per second. 
E85 
tebibit per metre 
A unit of information equal to 2⁴⁰ bits (binary digits) per metre. 
E86 
tebibit per cubic metre 
A unit of information equal to 2⁴⁰ bits (binary digits) per cubic metre. 
E87 
tebibit per square metre 
A unit of information equal to 2⁴⁰ bits (binary digits) per square metre. 
E88 
bit per metre 
A unit of information equal to 1 bit (binary digit) per metre. 
E89 
bit per square metre 
A unit of information equal to 1 bit (binary digit) per square metre. 
E90 
reciprocal centimetre 

E91 
reciprocal day 

E92 
cubic decimetre per hour 

E93 
kilogram per hour 

E94 
kilomole per second 

E95 
mole per second 

E96 
degree per second 

E97 
millimetre per degree Celcius metre 

E98 
degree Celsius per kelvin 

E99 
hectopascal per bar 

EA 
each 
A unit of count defining the number of items regarded as separate units. 
EB 
electronic mail box 
A unit of count defining the number of electronic mail boxes. 
EC 
each per month 

EP 
eleven pack 

EQ 
equivalent gallon 
A unit of volume defining the number of gallons of product produced from concentrate. 
EV 
envelope 

F01 
bit per cubic metre 
A unit of information equal to 1 bit (binary digit) per cubic metre. 
F02 
kelvin per kelvin 

F03 
kilopascal per bar 

F04 
millibar per bar 

F05 
megapascal per bar 

F06 
poise per bar 

F07 
pascal per bar 

F08 
milliampere per inch 

F1 
thousand cubic foot per day 

F10 
kelvin per hour 

F11 
kelvin per minute 

F12 
kelvin per second 

F13 
slug 
A unit of mass. One slug is the mass accelerated at 1 foot per second per second by a force of 1 pound. 
F14 
gram per kelvin 

F15 
kilogram per kelvin 

F16 
milligram per kelvin 

F17 
poundforce per foot 

F18 
kilogram square centimetre 

F19 
kilogram square millimetre 

F20 
pound inch squared 

F21 
poundforce inch 

F22 
poundforce foot per ampere 

F23 
gram per cubic decimetre 

F24 
kilogram per kilomol 

F25 
gram per hertz 

F26 
gram per day 

F27 
gram per hour 

F28 
gram per minute 

F29 
gram per second 

F30 
kilogram per day 

F31 
kilogram per minute 

F32 
milligram per day 

F33 
milligram per minute 

F34 
milligram per second 

F35 
gram per day kelvin 

F36 
gram per hour kelvin 

F37 
gram per minute kelvin 

F38 
gram per second kelvin 

F39 
kilogram per day kelvin 

F40 
kilogram per hour kelvin 

F41 
kilogram per minute kelvin 

F42 
kilogram per second kelvin 

F43 
milligram per day kelvin 

F44 
milligram per hour kelvin 

F45 
milligram per minute kelvin 

F46 
milligram per second kelvin 

F47 
newton per millimetre 

F48 
poundforce per inch 

F49 
rod [unit of distance] 
A unit of distance equal to 5.5 yards (16 feet 6 inches). 
F50 
micrometre per kelvin 

F51 
centimetre per kelvin 

F52 
metre per kelvin 

F53 
millimetre per kelvin 

F54 
milliohm per metre 

F55 
ohm per mile (statute mile) 

F56 
ohm per kilometre 

F57 
milliampere per poundforce per square inch 

F58 
reciprocal bar 

F59 
milliampere per bar 

F60 
degree Celsius per bar 

F61 
kelvin per bar 

F62 
gram per day bar 

F63 
gram per hour bar 

F64 
gram per minute bar 

F65 
gram per second bar 

F66 
kilogram per day bar 

F67 
kilogram per hour bar 

F68 
kilogram per minute bar 

F69 
kilogram per second bar 

F70 
milligram per day bar 

F71 
milligram per hour bar 

F72 
milligram per minute bar 

F73 
milligram per second bar 

F74 
gram per bar 

F75 
milligram per bar 

F76 
milliampere per millimetre 

F77 
pascal second per kelvin 

F78 
inch of water 

F79 
inch of mercury 

F80 
water horse power 
A unit of power defining the amount of power required to move a given volume of water against acceleration of gravity to a specified elevation (pressure head). 
F81 
bar per kelvin 

F82 
hectopascal per kelvin 

F83 
kilopascal per kelvin 

F84 
millibar per kelvin 

F85 
megapascal per kelvin 

F86 
poise per kelvin 

F87 
volt per litre minute 

F88 
newton centimetre 

F89 
newton metre per degree 

F9 
fibre per cubic centimetre of air 

F90 
newton metre per ampere 

F91 
bar litre per second 

F92 
bar cubic metre per second 

F93 
hectopascal litre per second 

F94 
hectopascal cubic metre per second 

F95 
millibar litre per second 

F96 
millibar cubic metre per second 

F97 
megapascal litre per second 

F98 
megapascal cubic metre per second 

F99 
pascal litre per second 

FAH 
degree Fahrenheit 
Refer ISO 800005 (Quantities and units — Part 5: Thermodynamics) 
FAR 
farad 

FB 
field 

FBM 
fibre metre 
A unit of length defining the number of metres of individual fibre. 
FC 
thousand cubic foot 
A unit of volume equal to one thousand cubic foot. 
FD 
million particle per cubic foot 

FE 
track foot 

FF 
hundred cubic metre 
A unit of volume equal to one hundred cubic metres. 
FG 
transdermal patch 

FH 
micromole 

FIT 
failures in time 
A unit of count defining the number of failures that can be expected over a specified time interval. Failure rates of semiconductor components are often specified as FIT (failures in time unit) where 1 FIT = 10⁻⁹ /h. 
FL 
flake ton 
A unit of mass defining the number of tons of a flaked substance (flake: a small flattish fragment). 
FM 
million cubic foot 

FOT 
foot 

FP 
pound per square foot 

FR 
foot per minute 

FS 
foot per second 

FTK 
square foot 

FTQ 
cubic foot 

G01 
pascal cubic metre per second 

G04 
centimetre per bar 

G05 
metre per bar 

G06 
millimetre per bar 

G08 
square inch per second 

G09 
square metre per second kelvin 

G10 
stokes per kelvin 

G11 
gram per cubic centimetre bar 

G12 
gram per cubic decimetre bar 

G13 
gram per litre bar 

G14 
gram per cubic metre bar 

G15 
gram per millilitre bar 

G16 
kilogram per cubic centimetre bar 

G17 
kilogram per litre bar 

G18 
kilogram per cubic metre bar 

G19 
newton metre per kilogram 

G2 
US gallon per minute 

G20 
poundforce foot per pound 

G21 
cup [unit of volume] 

G23 
peck 

G24 
tablespoon (US) 

G25 
teaspoon (US) 

G26 
stere 

G27 
cubic centimetre per kelvin 

G28 
litre per kelvin 

G29 
cubic metre per kelvin 

G3 
Imperial gallon per minute 

G30 
millilitre per kelvin 

G31 
kilogram per cubic centimetre 

G32 
ounce (avoirdupois) per cubic yard 

G33 
gram per cubic centimetre kelvin 

G34 
gram per cubic decimetre kelvin 

G35 
gram per litre kelvin 

G36 
gram per cubic metre kelvin 

G37 
gram per millilitre kelvin 

G38 
kilogram per cubic centimetre kelvin 

G39 
kilogram per litre kelvin 

G40 
kilogram per cubic metre kelvin 

G41 
square metre per second bar 

G42 
microsiemens per centimetre 

G43 
microsiemens per metre 

G44 
nanosiemens per centimetre 

G45 
nanosiemens per metre 

G46 
stokes per bar 

G47 
cubic centimetre per day 

G48 
cubic centimetre per hour 

G49 
cubic centimetre per minute 

G50 
gallon (US) per hour 

G51 
litre per second 

G52 
cubic metre per day 

G53 
cubic metre per minute 

G54 
millilitre per day 

G55 
millilitre per hour 

G56 
cubic inch per hour 

G57 
cubic inch per minute 

G58 
cubic inch per second 

G59 
milliampere per litre minute 

G60 
volt per bar 

G61 
cubic centimetre per day kelvin 

G62 
cubic centimetre per hour kelvin 

G63 
cubic centimetre per minute kelvin 

G64 
cubic centimetre per second kelvin 

G65 
litre per day kelvin 

G66 
litre per hour kelvin 

G67 
litre per minute kelvin 

G68 
litre per second kelvin 

G69 
cubic metre per day kelvin 

G7 
microfiche sheet 

G70 
cubic metre per hour kelvin 

G71 
cubic metre per minute kelvin 

G72 
cubic metre per second kelvin 

G73 
millilitre per day kelvin 

G74 
millilitre per hour kelvin 

G75 
millilitre per minute kelvin 

G76 
millilitre per second kelvin 

G77 
millimetre to the fourth power 

G78 
cubic centimetre per day bar 

G79 
cubic centimetre per hour bar 

G80 
cubic centimetre per minute bar 

G81 
cubic centimetre per second bar 

G82 
litre per day bar 

G83 
litre per hour bar 

G84 
litre per minute bar 

G85 
litre per second bar 

G86 
cubic metre per day bar 

G87 
cubic metre per hour bar 

G88 
cubic metre per minute bar 

G89 
cubic metre per second bar 

G90 
millilitre per day bar 

G91 
millilitre per hour bar 

G92 
millilitre per minute bar 

G93 
millilitre per second bar 

G94 
cubic centimetre per bar 

G95 
litre per bar 

G96 
cubic metre per bar 

G97 
millilitre per bar 

G98 
microhenry per kiloohm 

G99 
microhenry per ohm 

GB 
gallon (US) per day 

GBQ 
gigabecquerel 

GC 
gram per 100 gram 

GD 
gross barrel 

GDW 
gram, dry weight 
A unit of mass defining the number of grams of a product, disregarding the water content of the product. 
GE 
pound per gallon (US) 

GF 
gram per metre (gram per 100 centimetres) 

GFI 
gram of fissile isotope 
A unit of mass defining the number of grams of a fissile isotope (fissile isotope: an isotope whose nucleus is able to be split when irradiated with low energy neutrons). 
GGR 
great gross 
A unit of count defining the number of units in multiples of 1728 (12 x 12 x 12). 
GH 
half gallon (US) 

GIA 
gill (US) 

GIC 
gram, including container 
A unit of mass defining the number of grams of a product, including its container. 
GII 
gill (UK) 

GIP 
gram, including inner packaging 
A unit of mass defining the number of grams of a product, including its inner packaging materials. 
GJ 
gram per millilitre 

GK 
gram per kilogram 

GL 
gram per litre 

GLD 
dry gallon (US) 

GLI 
gallon (UK) 

GLL 
gallon (US) 

GM 
gram per square metre 

GN 
gross gallon 

GO 
milligram per square metre 

GP 
milligram per cubic metre 

GQ 
microgram per cubic metre 

GRM 
gram 

GRN 
grain 

GRO 
gross 
A unit of count defining the number of units in multiples of 144 (12 x 12). 
GRT 
gross register ton 
A unit of mass equal to the total cubic footage before deductions, where 1 register ton is equal to 100 cubic feet. Refer International Convention on tonnage measurement of ships. 
GT 
gross ton 
A unit of mass equal to 2240 pounds. Refer International Convention on Tonnage measurement of Ships. Synonym: ton (UK) or long ton (US) (common code LTN) 
GV 
gigajoule 

GW 
gallon per thousand cubic foot 

GWH 
gigawatt hour 

GY 
gross yard 

GZ 
gage system 

H03 
henry per kiloohm 

H04 
henry per ohm 

H05 
millihenry per kiloohm 

H06 
millihenry per ohm 

H07 
pascal second per bar 

H08 
microbecquerel 

H09 
reciprocal year 

H1 
half page – electronic 

H10 
reciprocal hour 

H11 
reciprocal month 

H12 
degree Celsius per hour 

H13 
degree Celsius per minute 

H14 
degree Celsius per second 

H15 
square centimetre per gram 

H16 
square decametre 
Synonym: are 
H18 
square hectometre 
Synonym: hectare 
H19 
cubic hectometre 

H2 
half litre 

H20 
cubic kilometre 

H21 
blank 
A unit of count defining the number of blanks. 
H22 
volt square inch per poundforce 

H23 
volt per inch 

H24 
volt per microsecond 

H25 
percent per kelvin 
A unit of proportion, equal to 0.01, in relation to the SI base unit Kelvin. 
H26 
ohm per metre 

H27 
degree per metre 

H28 
microfarad per kilometre 

H29 
microgram per litre 

H30 
square micrometre (square micron) 

H31 
ampere per kilogram 

H32 
ampere squared second 

H33 
farad per kilometre 

H34 
hertz metre 

H35 
kelvin metre per watt 

H36 
megaohm per kilometre 

H37 
megaohm per metre 

H38 
megaampere 

H39 
megahertz kilometre 

H40 
newton per ampere 

H41 
newton metre watt to the power minus 0,5 

H42 
pascal per metre 

H43 
siemens per centimetre 

H44 
teraohm 

H45 
volt second per metre 

H46 
volt per second 

H47 
watt per cubic metre 

H48 
attofarad 

H49 
centimetre per hour 

H50 
reciprocal cubic centimetre 

H51 
decibel per kilometre 

H52 
decibel per metre 

H53 
kilogram per bar 

H54 
kilogram per cubic decimetre kelvin 

H55 
kilogram per cubic decimetre bar 

H56 
kilogram per square metre second 

H57 
inch per two pi radiant 

H58 
metre per volt second 

H59 
square metre per newton 

H60 
cubic metre per cubic metre 

H61 
millisiemens per centimetre 

H62 
millivolt per minute 

H63 
milligram per square centimetre 

H64 
milligram per gram 

H65 
millilitre per cubic metre 

H66 
millimetre per year 

H67 
millimetre per hour 

H68 
millimole per gram 

H69 
picopascal per kilometre 

H70 
picosecond 

H71 
percent per month 
A unit of proportion, equal to 0.01, in relation to a month. 
H72 
percent per hectobar 
A unit of proportion, equal to 0.01, in relation to 100fold of the unit bar. 
H73 
percent per decakelvin 
A unit of proportion, equal to 0.01, in relation to 10fold of the SI base unit Kelvin. 
H74 
watt per metre 

H75 
decapascal 

H76 
gram per millimetre 

H77 
module width 
A unit of measure used to describe the breadth of electronic assemblies as an installation standard or mounting dimension. 
H78 
conventional centimetre of water 

H79 
French gauge 
A unit of distance used for measuring the diameter of small tubes such as urological instruments and catheters. Synonym: French, Charrière, Charrière gauge 
H80 
rack unit 
A unit of measure used to describe the height in rack units of equipment intended for mounting in a 19inch rack or a 23inch rack. One rack unit is 1.75 inches (44.45 mm) high. 
H81 
millimetre per minute 

H82 
big point 
A unit of length defining the number of big points (big point: Adobe software(US) defines the big point to be exactly 1/72 inch (0.013 888 9 inch or 0.352 777 8 millimeters)) 
H83 
litre per kilogram 

H84 
gram millimetre 

H85 
reciprocal week 

H87 
piece 
A unit of count defining the number of pieces (piece: a single item, article or exemplar). 
H88 
megaohm kilometre 

H89 
percent per ohm 
A unit of proportion, equal to 0.01, in relation to the SI derived unit ohm. 
H90 
percent per degree 
A unit of proportion, equal to 0.01, in relation to an angle of one degree. 
H91 
percent per ten thousand 
A unit of proportion, equal to 0.01, in relation to multiples of ten thousand. 
H92 
percent per one hundred thousand 
A unit of proportion, equal to 0.01, in relation to multiples of one hundred thousand. 
H93 
percent per hundred 
A unit of proportion, equal to 0.01, in relation to multiples of one hundred. 
H94 
percent per thousand 
A unit of proportion, equal to 0.01, in relation to multiples of one thousand. 
H95 
percent per volt 
A unit of proportion, equal to 0.01, in relation to the SI derived unit volt. 
H96 
percent per bar 
A unit of proportion, equal to 0.01, in relation to an atmospheric pressure of one bar. 
H98 
percent per inch 
A unit of proportion, equal to 0.01, in relation to an inch. 
H99 
percent per metre 
A unit of proportion, equal to 0.01, in relation to a metre. 
HA 
hank 
A unit of length, typically for yarn. 
HAR 
hectare 
Synonym: square hectometre 
HBA 
hectobar 

HBX 
hundred boxes 
A unit of count defining the number of boxes in multiples of one hundred box units. 
HC 
hundred count 
A unit of count defining the number of units counted in multiples of 100. 
HD 
half dozen 

HDW 
hundred kilogram, dry weight 
A unit of mass defining the number of hundred kilograms of a product, disregarding the water content of the product. 
HE 
hundredth of a carat 

HEA 
head 
A unit of count defining the number of heads (head: a person or animal considered as one of a number). 
HF 
hundred foot 

HGM 
hectogram 

HH 
hundred cubic foot 
A unit of volume equal to one hundred cubic foot. 
HI 
hundred sheet 

HIU 
hundred international unit 
A unit of count defining the number of international units in multiples of 100. 
HJ 
metric horse power 

HK 
hundred kilogram 

HKM 
hundred kilogram, net mass 
A unit of mass defining the number of hundred kilograms of a product, after deductions. 
HL 
hundred foot (linear) 

HLT 
hectolitre 

HM 
mile per hour (statute mile) 

HMQ 
million cubic metre 
A unit of volume equal to one million cubic metres. 
HMT 
hectometre 

HN 
conventional millimetre of mercury 

HO 
hundred troy ounce 

HP 
conventional millimetre of water 

HPA 
hectolitre of pure alcohol 
A unit of volume equal to one hundred litres of pure alcohol. 
HS 
hundred square foot 

HT 
half hour 

HTZ 
hertz 

HUR 
hour 

HY 
hundred yard 

IA 
inch pound (pound inch) 

IC 
count per inch 

IE 
person 
A unit of count defining the number of persons. 
IF 
inches of water 
Use inch of water (common code F78) 
II 
column inch 

IL 
inch per minute 

IM 
impression 

INH 
inch 

INK 
square inch 

INQ 
cubic inch 
Synonym: inch cubed 
IP 
insurance policy 

ISD 
international sugar degree 
A unit of measure defining the sugar content of a solution, expressed in degrees. 
IT 
count per centimetre 

IU 
inch per second 

IV 
inch per second squared 

J10 
percent per millimetre 
A unit of proportion, equal to 0.01, in relation to a millimetre. 
J12 
per mille per psi 
A unit of pressure equal to one thousandth of a psi (poundforce per square inch). 
J13 
degree API 
A unit of relative density as a measure of how heavy or light a petroleum liquid is compared to water (API: American Petroleum Institute). 
J14 
degree Baume (origin scale) 
A traditional unit of relative density for liquids. Named after Antoine Baumé. 
J15 
degree Baume (US heavy) 
A unit of relative density for liquids heavier than water. 
J16 
degree Baume (US light) 
A unit of relative density for liquids lighter than water. 
J17 
degree Balling 
A unit of density as a measure of sugar content, especially of beer wort. Named after Karl Balling. 
J18 
degree Brix 
A unit of proportion used in measuring the dissolved sugartowater mass ratio of a liquid. Named after Adolf Brix. 
J19 
degree Fahrenheit hour square foot per British thermal unit (thermochemical) 

J2 
joule per kilogram 

J20 
degree Fahrenheit per kelvin 

J21 
degree Fahrenheit per bar 

J22 
degree Fahrenheit hour square foot per British thermal unit (international table) 

J23 
degree Fahrenheit per hour 

J24 
degree Fahrenheit per minute 

J25 
degree Fahrenheit per second 

J26 
reciprocal degree Fahrenheit 

J27 
degree Oechsle 
A unit of density as a measure of sugar content of must, the unfermented liqueur from which wine is made. Named after Ferdinand Oechsle. 
J28 
degree Rankine per hour 

J29 
degree Rankine per minute 

J30 
degree Rankine per second 

J31 
degree Twaddell 
A unit of density for liquids that are heavier than water. 1 degree Twaddle represents a difference in specific gravity of 0.005. 
J32 
micropoise 

J33 
microgram per kilogram 

J34 
microgram per cubic metre kelvin 

J35 
microgram per cubic metre bar 

J36 
microlitre per litre 

J38 
baud 
A unit of signal transmission speed equal to one signalling event per second. 
J39 
British thermal unit (mean) 

J40 
British thermal unit (international table) foot per hour square foot degree Fahrenheit 

J41 
British thermal unit (international table) inch per hour square foot degree Fahrenheit 

J42 
British thermal unit (international table) inch per second square foot degree Fahrenheit 

J43 
British thermal unit (international table) per pound degree Fahrenheit 

J44 
British thermal unit (international table) per minute 

J45 
British thermal unit (international table) per second 

J46 
British thermal unit (thermochemical) foot per hour square foot degree Fahrenheit 

J47 
British thermal unit (thermochemical) per hour 

J48 
British thermal unit (thermochemical) inch per hour square foot degree Fahrenheit 

J49 
British thermal unit (thermochemical) inch per second square foot degree Fahrenheit 

J50 
British thermal unit (thermochemical) per pound degree Fahrenheit 

J51 
British thermal unit (thermochemical) per minute 

J52 
British thermal unit (thermochemical) per second 

J53 
coulomb square metre per kilogram 

J54 
megabaud 
A unit of signal transmission speed equal to 10⁶ (1000000) signaling events per second. 
J55 
watt second 

J56 
bar per bar 

J57 
barrel (UK petroleum) 

J58 
barrel (UK petroleum) per minute 

J59 
barrel (UK petroleum) per day 

J60 
barrel (UK petroleum) per hour 

J61 
barrel (UK petroleum) per second 

J62 
barrel (US petroleum) per hour 

J63 
barrel (US petroleum) per second 

J64 
bushel (UK) per day 

J65 
bushel (UK) per hour 

J66 
bushel (UK) per minute 

J67 
bushel (UK) per second 

J68 
bushel (US dry) per day 

J69 
bushel (US dry) per hour 

J70 
bushel (US dry) per minute 

J71 
bushel (US dry) per second 

J72 
centinewton metre 

J73 
centipoise per kelvin 

J74 
centipoise per bar 

J75 
calorie (mean) 

J76 
calorie (international table) per gram degree Celsius 

J78 
calorie (thermochemical) per centimetre second degree Celsius 

J79 
calorie (thermochemical) per gram degree Celsius 

J81 
calorie (thermochemical) per minute 

J82 
calorie (thermochemical) per second 

J83 
clo 

J84 
centimetre per second kelvin 

J85 
centimetre per second bar 

J87 
cubic centimetre per cubic metre 

J89 
centimetre of mercury 

J90 
cubic decimetre per day 

J91 
cubic decimetre per cubic metre 

J92 
cubic decimetre per minute 

J93 
cubic decimetre per second 

J94 
dyne centimetre 

J95 
ounce (UK fluid) per day 

J96 
ounce (UK fluid) per hour 

J97 
ounce (UK fluid) per minute 

J98 
ounce (UK fluid) per second 

J99 
ounce (US fluid) per day 

JB 
jumbo 

JE 
joule per kelvin 

JG 
jug 

JK 
megajoule per kilogram 

JM 
megajoule per cubic metre 

JNT 
pipeline joint 
A count of the number of pipeline joints. 
JO 
joint 

JOU 
joule 

JPS 
hundred metre 
A unit of count defining the number of 100 metre lengths. 
JR 
jar 

JWL 
number of jewels 
A unit of count defining the number of jewels (jewel: precious stone). 
K1 
kilowatt demand 
A unit of measure defining the power load measured at predetermined intervals. 
K10 
ounce (US fluid) per hour 

K11 
ounce (US fluid) per minute 

K12 
ounce (US fluid) per second 

K13 
foot per degree Fahrenheit 

K14 
foot per hour 

K15 
foot poundforce per hour 

K16 
foot poundforce per minute 

K17 
foot per psi 

K18 
foot per second degree Fahrenheit 

K19 
foot per second psi 

K2 
kilovolt ampere reactive demand 
A unit of measure defining the reactive power demand equal to one kilovolt ampere of reactive power. 
K20 
reciprocal cubic foot 

K21 
cubic foot per degree Fahrenheit 

K22 
cubic foot per day 

K23 
cubic foot per psi 

K24 
foot of water 

K25 
foot of mercury 

K26 
gallon (UK) per day 

K27 
gallon (UK) per hour 

K28 
gallon (UK) per second 

K3 
kilovolt ampere reactive hour 
A unit of measure defining the accumulated reactive energy equal to one kilovolt ampere of reactive power per hour. 
K30 
gallon (US liquid) per second 

K31 
gramforce per square centimetre 

K32 
gill (UK) per day 

K33 
gill (UK) per hour 

K34 
gill (UK) per minute 

K35 
gill (UK) per second 

K36 
gill (US) per day 

K37 
gill (US) per hour 

K38 
gill (US) per minute 

K39 
gill (US) per second 

K40 
standard acceleration of free fall 

K41 
grain per gallon (US) 

K42 
horsepower (boiler) 

K43 
horsepower (electric) 

K45 
inch per degree Fahrenheit 

K46 
inch per psi 

K47 
inch per second degree Fahrenheit 

K48 
inch per second psi 

K49 
reciprocal cubic inch 

K5 
kilovolt ampere (reactive) 
Use kilovar (common code KVR) 
K50 
kilobaud 
A unit of signal transmission speed equal to 10³ (1000) signaling events per second. 
K51 
kilocalorie (mean) 

K52 
kilocalorie (international table) per hour metre degree Celsius 

K53 
kilocalorie (thermochemical) 

K54 
kilocalorie (thermochemical) per minute 

K55 
kilocalorie (thermochemical) per second 

K58 
kilomole per hour 

K59 
kilomole per cubic metre kelvin 

K6 
kilolitre 

K60 
kilomole per cubic metre bar 

K61 
kilomole per minute 

K62 
litre per litre 

K63 
reciprocal litre 

K64 
pound (avoirdupois) per degree Fahrenheit 

K65 
pound (avoirdupois) square foot 

K66 
pound (avoirdupois) per day 

K67 
pound per foot hour 

K68 
pound per foot second 

K69 
pound (avoirdupois) per cubic foot degree Fahrenheit 

K70 
pound (avoirdupois) per cubic foot psi 

K71 
pound (avoirdupois) per gallon (UK) 

K73 
pound (avoirdupois) per hour degree Fahrenheit 

K74 
pound (avoirdupois) per hour psi 

K75 
pound (avoirdupois) per cubic inch degree Fahrenheit 

K76 
pound (avoirdupois) per cubic inch psi 

K77 
pound (avoirdupois) per psi 

K78 
pound (avoirdupois) per minute 

K79 
pound (avoirdupois) per minute degree Fahrenheit 

K80 
pound (avoirdupois) per minute psi 

K81 
pound (avoirdupois) per second 

K82 
pound (avoirdupois) per second degree Fahrenheit 

K83 
pound (avoirdupois) per second psi 

K84 
pound per cubic yard 

K85 
poundforce per square foot 

K86 
poundforce per square inch degree Fahrenheit 

K87 
psi cubic inch per second 

K88 
psi litre per second 

K89 
psi cubic metre per second 

K90 
psi cubic yard per second 

K91 
poundforce second per square foot 

K92 
poundforce second per square inch 

K93 
reciprocal psi 

K94 
quart (UK liquid) per day 

K95 
quart (UK liquid) per hour 

K96 
quart (UK liquid) per minute 

K97 
quart (UK liquid) per second 

K98 
quart (US liquid) per day 

K99 
quart (US liquid) per hour 

KA 
cake 
A unit of count defining the number of cakes (cake: object shaped into a flat, compact mass). 
KAT 
katal 
A unit of catalytic activity defining the catalytic activity of enzymes and other catalysts. 
KB 
kilocharacter 
A unit of information equal to 10³ (1000) characters. 
KBA 
kilobar 

KCC 
kilogram of choline chloride 
A unit of mass equal to one thousand grams of choline chloride. 
KD 
kilogram decimal 

KDW 
kilogram drained net weight 
A unit of mass defining the net number of kilograms of a product, disregarding the liquid content of the product. 
KEL 
kelvin 
Refer ISO 800005 (Quantities and units — Part 5: Thermodynamics) 
KF 
kilopacket 

KG 
keg 

KGM 
kilogram 
A unit of mass equal to one thousand grams. 
KGS 
kilogram per second 

KHY 
kilogram of hydrogen peroxide 
A unit of mass equal to one thousand grams of hydrogen peroxide. 
KHZ 
kilohertz 

KI 
kilogram per millimetre width 

KIC 
kilogram, including container 
A unit of mass defining the number of kilograms of a product, including its container. 
KIP 
kilogram, including inner packaging 
A unit of mass defining the number of kilograms of a product, including its inner packaging materials. 
KJ 
kilosegment 
A unit of information equal to 10³ (1000) segments. 
KJO 
kilojoule 

KL 
kilogram per metre 

KLK 
lactic dry material percentage 
A unit of proportion defining the percentage of dry lactic material in a product. 
KLX 
kilolux 
A unit of illuminance equal to one thousand lux. 
KMA 
kilogram of methylamine 
A unit of mass equal to one thousand grams of methylamine. 
KMH 
kilometre per hour 

KMK 
square kilometre 

KMQ 
kilogram per cubic metre 
A unit of weight expressed in kilograms of a substance that fills a volume of one cubic metre. 
KMT 
kilometre 

KNI 
kilogram of nitrogen 
A unit of mass equal to one thousand grams of nitrogen. 
KNS 
kilogram named substance 
A unit of mass equal to one kilogram of a named substance. 
KNT 
knot 

KO 
milliequivalence caustic potash per gram of product 
A unit of count defining the number of milligrams of potassium hydroxide per gram of product as a measure of the concentration of potassium hydroxide in the product. 
KPA 
kilopascal 

KPH 
kilogram of potassium hydroxide (caustic potash) 
A unit of mass equal to one thousand grams of potassium hydroxide (caustic potash). 
KPO 
kilogram of potassium oxide 
A unit of mass equal to one thousand grams of potassium oxide. 
KPP 
kilogram of phosphorus pentoxide (phosphoric anhydride) 
A unit of mass equal to one thousand grams of phosphorus pentoxide phosphoric anhydride. 
KR 
kiloroentgen 

KS 
thousand pound per square inch 

KSD 
kilogram of substance 90 % dry 
A unit of mass equal to one thousand grams of a named substance that is 90% dry. 
KSH 
kilogram of sodium hydroxide (caustic soda) 
A unit of mass equal to one thousand grams of sodium hydroxide (caustic soda). 
KT 
kit 
A unit of count defining the number of kits (kit: tub, barrel or pail). 
KTM 
kilometre 

KTN 
kilotonne 

KUR 
kilogram of uranium 
A unit of mass equal to one thousand grams of uranium. 
KVA 
kilovolt  ampere 

KVR 
kilovar 

KVT 
kilovolt 

KW 
kilogram per millimetre 

KWH 
kilowatt hour 

KWO 
kilogram of tungsten trioxide 
A unit of mass equal to one thousand grams of tungsten trioxide. 
KWT 
kilowatt 

KX 
millilitre per kilogram 

L10 
quart (US liquid) per minute 

L11 
quart (US liquid) per second 

L12 
metre per second kelvin 

L13 
metre per second bar 

L14 
square metre hour degree Celsius per kilocalorie (international table) 

L15 
millipascal second per kelvin 

L16 
millipascal second per bar 

L17 
milligram per cubic metre kelvin 

L18 
milligram per cubic metre bar 

L19 
millilitre per litre 

L2 
litre per minute 

L20 
reciprocal cubic millimetre 

L21 
cubic millimetre per cubic metre 

L23 
mole per hour 

L24 
mole per kilogram kelvin 

L25 
mole per kilogram bar 

L26 
mole per litre kelvin 

L27 
mole per litre bar 

L28 
mole per cubic metre kelvin 

L29 
mole per cubic metre bar 

L30 
mole per minute 

L31 
milliroentgen aequivalent men 

L32 
nanogram per kilogram 

L33 
ounce (avoirdupois) per day 

L34 
ounce (avoirdupois) per hour 

L35 
ounce (avoirdupois) per minute 

L36 
ounce (avoirdupois) per second 

L37 
ounce (avoirdupois) per gallon (UK) 

L38 
ounce (avoirdupois) per gallon (US) 

L39 
ounce (avoirdupois) per cubic inch 

L40 
ounce (avoirdupois)force 

L41 
ounce (avoirdupois)force inch 

L42 
picosiemens per metre 

L43 
peck (UK) 

L44 
peck (UK) per day 

L45 
peck (UK) per hour 

L46 
peck (UK) per minute 

L47 
peck (UK) per second 

L48 
peck (US dry) per day 

L49 
peck (US dry) per hour 

L50 
peck (US dry) per minute 

L51 
peck (US dry) per second 

L52 
psi per psi 

L53 
pint (UK) per day 

L54 
pint (UK) per hour 

L55 
pint (UK) per minute 

L56 
pint (UK) per second 

L57 
pint (US liquid) per day 

L58 
pint (US liquid) per hour 

L59 
pint (US liquid) per minute 

L60 
pint (US liquid) per second 

L61 
pint (US dry) 
Use dry pint (common code PTD) 
L62 
quart (US dry) 
Use dry quart (US) (common code QTD) 
L63 
slug per day 

L64 
slug per foot second 

L65 
slug per cubic foot 

L66 
slug per hour 

L67 
slug per minute 

L68 
slug per second 

L69 
tonne per kelvin 

L70 
tonne per bar 

L71 
tonne per day 

L72 
tonne per day kelvin 

L73 
tonne per day bar 

L74 
tonne per hour kelvin 

L75 
tonne per hour bar 

L76 
tonne per cubic metre kelvin 

L77 
tonne per cubic metre bar 

L78 
tonne per minute 

L79 
tonne per minute kelvin 

L80 
tonne per minute bar 

L81 
tonne per second 

L82 
tonne per second kelvin 

L83 
tonne per second bar 

L84 
ton (UK shipping) 

L85 
ton long per day 

L86 
ton (US shipping) 

L87 
ton short per degree Fahrenheit 

L88 
ton short per day 

L89 
ton short per hour degree Fahrenheit 

L90 
ton short per hour psi 

L91 
ton short per psi 

L92 
ton (UK long) per cubic yard 

L93 
ton (US short) per cubic yard 

L94 
tonforce (US short) 

L95 
common year 

L96 
sidereal year 

L98 
yard per degree Fahrenheit 

L99 
yard per psi 

LA 
pound per cubic inch 

LAC 
lactose excess percentage 
A unit of proportion defining the percentage of lactose in a product that exceeds a defined percentage level. 
LBR 
pound 

LBT 
troy pound (US) 

LC 
linear centimetre 

LD 
litre per day 

LE 
lite 

LEF 
leaf 
A unit of count defining the number of leaves. 
LF 
linear foot 
A unit of count defining the number of feet (12inch) in length of a uniform width object. 
LH 
labour hour 
A unit of time defining the number of labour hours. 
LI 
linear inch 

LJ 
large spray 

LK 
link 
A unit of distance equal to 0.01 chain. 
LM 
linear metre 
A unit of count defining the number of metres in length of a uniform width object. 
LN 
length 
A unit of distance defining the linear extent of an item measured from end to end. 
LO 
lot [unit of procurement] 
A unit of count defining the number of lots (lot: a collection of associated items). 
LP 
liquid pound 
A unit of mass defining the number of pounds of a liquid substance. 
LPA 
litre of pure alcohol 
A unit of volume equal to one litre of pure alcohol. 
LR 
layer 
A unit of count defining the number of layers. 
LS 
lump sum 
A unit of count defining the number of whole or a complete monetary amounts. 
LTN 
ton (UK) or long ton (US) 
Synonym: gross ton (2240 lb) 
LTR 
litre 

LUB 
metric ton, lubricating oil 
A unit of mass defining the number of metric tons of lubricating oil. 
LUM 
lumen 

LUX 
lux 

LX 
linear yard per pound 

LY 
linear yard 
A unit of count defining the number of 36inch units in length of a uniform width object. 
M0 
magnetic tape 

M1 
milligram per litre 

M10 
reciprocal cubic yard 

M11 
cubic yard per degree Fahrenheit 

M12 
cubic yard per day 

M13 
cubic yard per hour 

M14 
cubic yard per psi 

M15 
cubic yard per minute 

M16 
cubic yard per second 

M17 
kilohertz metre 

M18 
gigahertz metre 

M19 
Beaufort 
An empirical measure for describing wind speed based mainly on observed sea conditions. The Beaufort scale indicates the wind speed by numbers that typically range from 0 for calm, to 12 for hurricane. 
M20 
reciprocal megakelvin or megakelvin to the power minus one 

M21 
reciprocal kilovolt  ampere reciprocal hour 

M22 
millilitre per square centimetre minute 

M23 
newton per centimetre 

M24 
ohm kilometre 

M25 
percent per degree Celsius 
A unit of proportion, equal to 0.01, in relation to a temperature of one degree. 
M26 
gigaohm per metre 

M27 
megahertz metre 

M29 
kilogram per kilogram 

M30 
reciprocal volt  ampere reciprocal second 

M31 
kilogram per kilometre 

M32 
pascal second per litre 

M33 
millimole per litre 

M34 
newton metre per square metre 

M35 
millivolt  ampere 

M36 
30day month 
A unit of count defining the number of months expressed in multiples of 30 days, one day equals 24 hours. 
M37 
actual/360 
A unit of count defining the number of years expressed in multiples of 360 days, one day equals 24 hours. 
M38 
kilometre per second squared 
1000fold of the SI base unit metre divided by the power of the SI base unit second by exponent 2. 
M39 
centimetre per second squared 
0,01fold of the SI base unit metre divided by the power of the SI base unit second by exponent 2. 
M4 
monetary value 
A unit of measure expressed as a monetary amount. 
M40 
yard per second squared 
Unit of the length according to the AngloAmerican and Imperial system of units divided by the power of the SI base unit second by exponent 2. 
M41 
millimetre per second squared 
0,001fold of the SI base unit metre divided by the power of the SI base unit second by exponent 2. 
M42 
mile (statute mile) per second squared 
Unit of the length according to the Imperial system of units divided by the power of the SI base unit second by exponent 2. 
M43 
mil 
Unit to indicate an angle at military zone, equal to the 6400th part of the full circle of the 360° or 2·p·rad. 
M44 
revolution 
Unit to identify an angle of the full circle of 360° or 2·p·rad (Refer ISO/TC12 SI Guide). 
M45 
degree [unit of angle] per second squared 
360 part of a full circle divided by the power of the SI base unit second and the exponent 2. 
M46 
revolution per minute 
Unit of the angular velocity. 
M47 
circular mil 
Unit of an area, of which the size is given by a diameter of length of 1 mm (0,001 in) based on the formula: area = p·(diameter/2)². 
M48 
square mile (based on U.S. survey foot) 
Unit of the area, which is mainly common in the agriculture and forestry. 
M49 
chain (based on U.S. survey foot) 
Unit of the length according the AngloAmerican system of units. 
M5 
microcurie 

M50 
furlong 
Unit commonly used in Great Britain at rural distances: 1 furlong = 40 rods = 10 chains (UK) = 1/8 mile = 1/10 furlong = 220 yards = 660 foot. 
M51 
foot (U.S. survey) 
Unit commonly used in the United States for ordnance survey. 
M52 
mile (based on U.S. survey foot) 
Unit commonly used in the United States for ordnance survey. 
M53 
metre per pascal 
SI base unit metre divided by the derived SI unit pascal. 
M55 
metre per radiant 
Unit of the translation factor for implementation from rotation to linear movement. 
M56 
shake 
Unit for a very short period. 
M57 
mile per minute 
Unit of velocity from the Imperial system of units. 
M58 
mile per second 
Unit of the velocity from the Imperial system of units. 
M59 
metre per second pascal 
SI base unit meter divided by the product of SI base unit second and the derived SI unit pascal. 
M60 
metre per hour 
SI base unit metre divided by the unit hour. 
M61 
inch per year 
Unit of the length according to the AngloAmerican and Imperial system of units divided by the unit common year with 365 days. 
M62 
kilometre per second 
1000fold of the SI base unit metre divided by the SI base unit second. 
M63 
inch per minute 
Unit inch according to the AngloAmerican and Imperial system of units divided by the unit minute. 
M64 
yard per second 
Unit yard according to the AngloAmerican and Imperial system of units divided by the SI base unit second. 
M65 
yard per minute 
Unit yard according to the AngloAmerican and Imperial system of units divided by the unit minute. 
M66 
yard per hour 
Unit yard according to the AngloAmerican and Imperial system of units divided by the unit hour. 
M67 
acrefoot (based on U.S. survey foot) 
Unit of the volume, which is used in the United States to measure/gauge the capacity of reservoirs. 
M68 
cord (128 ft3) 
Traditional unit of the volume of stacked firewood which has been measured with a cord. 
M69 
cubic mile (UK statute) 
Unit of volume according to the Imperial system of units. 
M7 
microinch 

M70 
ton, register 
Traditional unit of the cargo capacity. 
M71 
cubic metre per pascal 
Power of the SI base unit meter by exponent 3 divided by the derived SI base unit pascal. 
M72 
bel 
Logarithmic relationship to base 10. 
M73 
kilogram per cubic metre pascal 
SI base unit kilogram divided by the product of the power of the SI base unit metre with exponent 3 and the derived SI unit pascal. 
M74 
kilogram per pascal 
SI base unit kilogram divided by the derived SI unit pascal. 
M75 
kilopoundforce 
1000fold of the unit of the force poundforce (lbf) according to the AngloAmerican system of units with the relationship. 
M76 
poundal 
Non SIconforming unit of the power, which corresponds to a mass of a pound multiplied with the acceleration of a foot per square second. 
M77 
kilogram metre per second squared 
Product of the SI base unit kilogram and the SI base unit metre divided by the power of the SI base unit second by exponent 2. 
M78 
pond 
0,001fold of the unit of the weight, defined as a mass of 1 kg which finds out about a weight strength from 1 kp by the gravitational force at sea level which corresponds to a strength of 9,806 65 newton. 
M79 
square foot per hour 
Power of the unit foot according to the AngloAmerican and Imperial system of units by exponent 2 divided by the unit of time hour. 
M80 
stokes per pascal 
CGS (CentimetreGramSecond system) unit stokes divided by the derived SI unit pascal. 
M81 
square centimetre per second 
0,000 1fold of the power of the SI base unit metre by exponent 2 divided by the SI base unit second. 
M82 
square metre per second pascal 
Power of the SI base unit metre with the exponent 2 divided by the SI base unit second and the derived SI unit pascal. 
M83 
denier 
Traditional unit for the indication of the linear mass of textile fibers and yarns. 
M84 
pound per yard 
Unit for linear mass according to avoirdupois system of units. 
M85 
ton, assay 
Non SIconforming unit of the mass used in the mineralogy to determine the concentration of precious metals in ore according to the mass of the precious metal in milligrams in a sample of the mass of an assay sound (number of troy ounces in a short ton (1 000 lb)). 
M86 
pfund 
Outdated unit of the mass used in Germany. 
M87 
kilogram per second pascal 
SI base unit kilogram divided by the product of the SI base unit second and the derived SI unit pascal. 
M88 
tonne per month 
Unit tonne divided by the unit month. 
M89 
tonne per year 
Unit tonne divided by the unit year with 365 days. 
M9 
million Btu per 1000 cubic foot 

M90 
kilopound per hour 
1000fold of the unit of the mass avoirdupois pound according to the avoirdupois unit system divided by the unit hour. 
M91 
pound per pound 
Proportion of the mass consisting of the avoirdupois pound according to the avoirdupois unit system divided by the avoirdupois pound according to the avoirdupois unit system. 
M92 
poundforce foot 
Product of the unit poundforce according to the AngloAmerican system of units and the unit foot according to the AngloAmerican and the Imperial system of units. 
M93 
newton metre per radian 
Product of the derived SI unit newton and the SI base unit metre divided by the unit radian. 
M94 
kilogram metre 
Unit of imbalance as a product of the SI base unit kilogram and the SI base unit metre. 
M95 
poundal foot 
Product of the non SIconforming unit of the force poundal and the unit foot according to the AngloAmerican and Imperial system of units . 
M96 
poundal inch 
Product of the non SIconforming unit of the force poundal and the unit inch according to the AngloAmerican and Imperial system of units . 
M97 
dyne metre 
CGS (CentimetreGramSecond system) unit of the rotational moment. 
M98 
kilogram centimetre per second 
Product of the SI base unit kilogram and the 0,01fold of the SI base unit metre divided by the SI base unit second. 
M99 
gram centimetre per second 
Product of the 0,001fold of the SI base unit kilogram and the 0,01fold of the SI base unit metre divided by the SI base unit second. 
MA 
machine per unit 

MAH 
megavolt ampere reactive hour 
A unit of electrical reactive power defining the total amount of reactive power across a power system. 
MAL 
megalitre 

MAM 
megametre 

MAR 
megavar 
A unit of electrical reactive power represented by a current of one thousand amperes flowing due a potential difference of one thousand volts where the sine of the phase angle between them is 1. 
MAW 
megawatt 
A unit of power defining the rate of energy transferred or consumed when a current of 1000 amperes flows due to a potential of 1000 volts at unity power factor. 
MBE 
thousand standard brick equivalent 
A unit of count defining the number of one thousand brick equivalent units. 
MBF 
thousand board foot 
A unit of volume equal to one thousand board foot. 
MBR 
millibar 

MC 
microgram 

MCU 
millicurie 

MD 
air dry metric ton 
A unit of count defining the number of metric tons of a product, disregarding the water content of the product. 
MF 
milligram per square foot per side 

MGM 
milligram 

MHZ 
megahertz 

MIK 
square mile (statute mile) 

MIL 
thousand 

MIN 
minute [unit of time] 

MIO 
million 

MIU 
million international unit 
A unit of count defining the number of international units in multiples of 10⁶. 
MK 
milligram per square inch 

MLD 
milliard 
Synonym: billion (US) 
MLT 
millilitre 

MMK 
square millimetre 

MMQ 
cubic millimetre 

MMT 
millimetre 

MND 
kilogram, dry weight 
A unit of mass defining the number of kilograms of a product, disregarding the water content of the product. 
MON 
month 
Unit of time equal to 1/12 of a year of 365,25 days. 
MPA 
megapascal 

MQ 
thousand metre 

MQH 
cubic metre per hour 

MQS 
cubic metre per second 

MSK 
metre per second squared 

MT 
mat 

MTK 
square metre 

MTQ 
cubic metre 
Synonym: metre cubed 
MTR 
metre 

MTS 
metre per second 

MV 
number of mults 

MVA 
megavolt  ampere 

MWH 
megawatt hour (1000 kW.h) 
A unit of power defining the total amount of bulk energy transferred or consumed. 
N1 
pen calorie 
A unit of count defining the number of calories prescribed daily for parenteral/enteral therapy. 
N10 
pound foot per second 
Product of the avoirdupois pound according to the avoirdupois unit system and the unit foot according to the AngloAmerican and Imperial system of units divided by the SI base unit second. 
N11 
pound inch per second 
Product of the avoirdupois pound according to the avoirdupois unit system and the unit inch according to the AngloAmerican and Imperial system of units divided by the SI base unit second. 
N12 
Pferdestaerke 
Obsolete unit of the power relating to DIN 13013:1979: 1 PS = 735,498 75 W. 
N13 
centimetre of mercury (0 ºC) 
Non SIconforming unit of pressure, at which a value of 1 cmHg meets the static pressure, which is generated by a mercury at a temperature of 0 °C with a height of 1 centimetre . 
N14 
centimetre of water (4 ºC) 
Non SIconforming unit of pressure, at which a value of 1 cmH2O meets the static pressure, which is generated by a head of water at a temperature of 4 °C with a height of 1 centimetre . 
N15 
foot of water (39.2 ºF) 
Non SIconforming unit of pressure according to the AngloAmerican and Imperial system for units, whereas the value of 1 ftH2O is equivalent to the static pressure, which is generated by a head of water at a temperature 39,2°F with a height of 1 foot . 
N16 
inch of mercury (32 ºF) 
Non SIconforming unit of pressure according to the AngloAmerican and Imperial system for units, whereas the value of 1 inHg meets the static pressure, which is generated by a mercury at a temperature of 32°F with a height of 1 inch. 
N17 
inch of mercury (60 ºF) 
Non SIconforming unit of pressure according to the AngloAmerican and Imperial system for units, whereas the value of 1 inHg meets the static pressure, which is generated by a mercury at a temperature of 60°F with a height of 1 inch. 
N18 
inch of water (39.2 ºF) 
Non SIconforming unit of pressure according to the AngloAmerican and Imperial system for units, whereas the value of 1 inH2O meets the static pressure, which is generated by a head of water at a temperature of 39,2°F with a height of 1 inch . 
N19 
inch of water (60 ºF) 
Non SIconforming unit of pressure according to the AngloAmerican and Imperial system for units, whereas the value of 1 inH2O meets the static pressure, which is generated by a head of water at a temperature of 60°F with a height of 1 inch . 
N2 
number of lines 

N20 
kip per square inch 
Non SIconforming unit of the pressure according to the AngloAmerican system of units as the 1000fold of the unit of the force poundforce divided by the power of the unit inch by exponent 2. 
N21 
poundal per square foot 
Non SIconforming unit of pressure by the Imperial system of units according to NIST: 1 pdl/ft² = 1,488 164 Pa. 
N22 
ounce (avoirdupois) per square inch 
Unit of the surface specific mass (avoirdupois ounce according to the avoirdupois system of units according to the surface square inch according to the AngloAmerican and Imperial system of units). 
N23 
conventional metre of water 
Not SIconforming unit of pressure, whereas a value of 1 mH2O is equivalent to the static pressure, which is produced by one metre high water column . 
N24 
gram per square millimetre 
0,001fold of the SI base unit kilogram divided by the 0.000 001fold of the power of the SI base unit meter by exponent 2. 
N25 
pound per square yard 
Unit for arealrelated mass as a unit pound according to the avoirdupois unit system divided by the power of the unit yard according to the AngloAmerican and Imperial system of units with exponent 2. 
N26 
poundal per square inch 
Non SIconforming unit of the pressure according to the Imperial system of units (poundal by square inch). 
N27 
foot to the fourth power 
Power of the unit foot according to the AngloAmerican and Imperial system of units by exponent 4 according to NIST: 1 ft4 = 8,630 975 m4. 
N28 
cubic decimetre per kilogram 
0,001 fold of the power of the SI base unit meter by exponent 3 divided by the SI based unit kilogram. 
N29 
cubic foot per pound 
Power of the unit foot according to the AngloAmerican and Imperial system of units by exponent 3 divided by the unit avoirdupois pound according to the avoirdupois unit system. 
N3 
print point 

N30 
cubic inch per pound 
Power of the unit inch according to the AngloAmerican and Imperial system of units by exponent 3 divided by the avoirdupois pound according to the avoirdupois unit system . 
N31 
kilonewton per metre 
1000fold of the derived SI unit newton divided by the SI base unit metre. 
N32 
poundal per inch 
Non SIconforming unit of the surface tension according to the Imperial unit system as quotient poundal by inch. 
N33 
poundforce per yard 
Unit of force per unit length based on the AngloAmerican system of units. 
N34 
poundal second per square foot 
Non SIconforming unit of viscosity. 
N35 
poise per pascal 
CGS (CentimetreGramSecond system) unit poise divided by the derived SI unit pascal. 
N36 
newton second per square metre 
Unit of the dynamic viscosity as a product of unit of the pressure (newton by square metre) multiplied with the SI base unit second. 
N37 
kilogram per metre second 
Unit of the dynamic viscosity as a quotient SI base unit kilogram divided by the SI base unit metre and by the SI base unit second. 
N38 
kilogram per metre minute 
Unit of the dynamic viscosity as a quotient SI base unit kilogram divided by the SI base unit metre and by the unit minute. 
N39 
kilogram per metre day 
Unit of the dynamic viscosity as a quotient SI base unit kilogram divided by the SI base unit metre and by the unit day. 
N40 
kilogram per metre hour 
Unit of the dynamic viscosity as a quotient SI base unit kilogram divided by the SI base unit metre and by the unit hour. 
N41 
gram per centimetre second 
Unit of the dynamic viscosity as a quotient of the 0,001fold of the SI base unit kilogram divided by the 0,01fold of the SI base unit metre and SI base unit second. 
N42 
poundal second per square inch 
Non SIconforming unit of dynamic viscosity according to the Imperial system of units as product unit of the pressure (poundal by square inch) multiplied by the SI base unit second. 
N43 
pound per foot minute 
Unit of the dynamic viscosity according to the AngloAmerican unit system. 
N44 
pound per foot day 
Unit of the dynamic viscosity according to the AngloAmerican unit system. 
N45 
cubic metre per second pascal 
Power of the SI base unit meter by exponent 3 divided by the product of the SI base unit second and the derived SI base unit pascal. 
N46 
foot poundal 
Unit of the work (forcepath). 
N47 
inch poundal 
Unit of work (force multiplied by path) according to the Imperial system of units as a product unit inch multiplied by poundal. 
N48 
watt per square centimetre 
Derived SI unit watt divided by the power of the 0,01fold the SI base unit metre by exponent 2. 
N49 
watt per square inch 
Derived SI unit watt divided by the power of the unit inch according to the AngloAmerican and Imperial system of units by exponent 2. 
N50 
British thermal unit (international table) per square foot hour 
Unit of the surface heat flux according to the Imperial system of units. 
N51 
British thermal unit (thermochemical) per square foot hour 
Unit of the surface heat flux according to the Imperial system of units. 
N52 
British thermal unit (thermochemical) per square foot minute 
Unit of the surface heat flux according to the Imperial system of units. 
N53 
British thermal unit (international table) per square foot second 
Unit of the surface heat flux according to the Imperial system of units. 
N54 
British thermal unit (thermochemical) per square foot second 
Unit of the surface heat flux according to the Imperial system of units. 
N55 
British thermal unit (international table) per square inch second 
Unit of the surface heat flux according to the Imperial system of units. 
N56 
calorie (thermochemical) per square centimetre minute 
Unit of the surface heat flux according to the Imperial system of units. 
N57 
calorie (thermochemical) per square centimetre second 
Unit of the surface heat flux according to the Imperial system of units. 
N58 
British thermal unit (international table) per cubic foot 
Unit of the energy density according to the Imperial system of units. 
N59 
British thermal unit (thermochemical) per cubic foot 
Unit of the energy density according to the Imperial system of units. 
N60 
British thermal unit (international table) per degree Fahrenheit 
Unit of the heat capacity according to the Imperial system of units. 
N61 
British thermal unit (thermochemical) per degree Fahrenheit 
Unit of the heat capacity according to the Imperial system of units. 
N62 
British thermal unit (international table) per degree Rankine 
Unit of the heat capacity according to the Imperial system of units. 
N63 
British thermal unit (thermochemical) per degree Rankine 
Unit of the heat capacity according to the Imperial system of units. 
N64 
British thermal unit (thermochemical) per pound degree Rankine 
Unit of the heat capacity (British thermal unit according to the international table according to the Rankine degree) according to the Imperial system of units divided by the unit avoirdupois pound according to the avoirdupois system of units. 
N65 
kilocalorie (international table) per gram kelvin 
Unit of the massrelated heat capacity as quotient 1000fold of the calorie (international table) divided by the product of the 0,001fold of the SI base units kilogram and kelvin. 
N66 
British thermal unit (39 ºF) 
Unit of heat energy according to the Imperial system of units in a reference temperature of 39 °F. 
N67 
British thermal unit (59 ºF) 
Unit of heat energy according to the Imperial system of units in a reference temperature of 59 °F. 
N68 
British thermal unit (60 ºF) 
Unit of head energy according to the Imperial system of units at a reference temperature of 60 °F. 
N69 
calorie (20 ºC) 
Unit for quantity of heat, which is to be required for 1 g air free water at a constant pressure from 101,325 kPa, to warm up the pressure of standard atmosphere at sea level, from 19,5 °C on 20,5 °C. 
N70 
quad (1015 BtuIT) 
Unit of heat energy according to the imperial system of units. 
N71 
therm (EC) 
Unit of heat energy in commercial use, within the EU defined: 1 thm (EC) = 100 000 BtuIT. 
N72 
therm (U.S.) 
Unit of heat energy in commercial use. 
N73 
British thermal unit (thermochemical) per pound 
Unit of the heat energy according to the Imperial system of units divided the unit avoirdupois pound according to the avoirdupois system of units. 
N74 
British thermal unit (international table) per hour square foot degree Fahrenheit 
Unit of the heat transition coefficient according to the Imperial system of units. 
N75 
British thermal unit (thermochemical) per hour square foot degree Fahrenheit 
Unit of the heat transition coefficient according to the imperial system of units. 
N76 
British thermal unit (international table) per second square foot degree Fahrenheit 
Unit of the heat transition coefficient according to the imperial system of units. 
N77 
British thermal unit (thermochemical) per second square foot degree Fahrenheit 
Unit of the heat transition coefficient according to the imperial system of units. 
N78 
kilowatt per square metre kelvin 
1000fold of the derived SI unit watt divided by the product of the power of the SI base unit metre by exponent 2 and the SI base unit kelvin. 
N79 
kelvin per pascal 
SI base unit kelvin divided by the derived SI unit pascal. 
N80 
watt per metre degree Celsius 
Derived SI unit watt divided by the product of the SI base unit metre and the unit for temperature degree Celsius. 
N81 
kilowatt per metre kelvin 
1000fold of the derived SI unit watt divided by the product of the SI base unit metre and the SI base unit kelvin. 
N82 
kilowatt per metre degree Celsius 
1000fold of the derived SI unit watt divided by the product of the SI base unit metre and the unit for temperature degree Celsius. 
N83 
metre per degree Celcius metre 
SI base unit metre divided by the product of the unit degree Celsius and the SI base unit metre. 
N84 
degree Fahrenheit hour per British thermal unit (international table) 
Non SIconforming unit of the thermal resistance according to the Imperial system of units. 
N85 
degree Fahrenheit hour per British thermal unit (thermochemical) 
Non SIconforming unit of the thermal resistance according to the Imperial system of units. 
N86 
degree Fahrenheit second per British thermal unit (international table) 
Non SIconforming unit of the thermal resistance according to the Imperial system of units. 
N87 
degree Fahrenheit second per British thermal unit (thermochemical) 
Non SIconforming unit of the thermal resistance according to the Imperial system of units. 
N88 
degree Fahrenheit hour square foot per British thermal unit (international table) inch 
Unit of specific thermal resistance according to the Imperial system of units. 
N89 
degree Fahrenheit hour square foot per British thermal unit (thermochemical) inch 
Unit of specific thermal resistance according to the Imperial system of units. 
N90 
kilofarad 
1000fold of the derived SI unit farad. 
N91 
reciprocal joule 
Reciprocal of the derived SI unit joule. 
N92 
picosiemens 
0,000 000 000 001fold of the derived SI unit siemens. 
N93 
ampere per pascal 
SI base unit ampere divided by the derived SI unit pascal. 
N94 
franklin 
CGS (CentimetreGramSecond system) unit of the electrical charge, where the charge amounts to exactly 1 Fr where the force of 1 dyn on an equal load is performed at a distance of 1 cm. 
N95 
ampere minute 
A unit of electric charge defining the amount of charge accumulated by a steady flow of one ampere for one minute.. 
N96 
biot 
CGS (CentimetreGramSecond system) unit of the electric power which is defined by a force of 2 dyn per cm between two parallel conductors of infinite length with negligible crosssection in the distance of 1 cm. 
N97 
gilbert 
CGS (CentimetreGramSecond system) unit of the magnetomotive force, which is defined by the work to increase the magnetic potential of a positive common pol with 1 erg. 
N98 
volt per pascal 
Derived SI unit volt divided by the derived SI unit pascal. 
N99 
picovolt 
0,000 000 000 001fold of the derived SI unit volt. 
NA 
milligram per kilogram 

NAR 
number of articles 
A unit of count defining the number of articles (article: item). 
NB 
barge 

NBB 
number of bobbins 

NC 
car 

NCL 
number of cells 
A unit of count defining the number of cells (cell: an enclosed or circumscribed space, cavity, or volume). 
ND 
net barrel 

NE 
net litre 

NEW 
newton 

NF 
message 
A unit of count defining the number of messages. 
NG 
net gallon (us) 

NH 
message hour 

NI 
net imperial gallon 

NIL 
nil 
A unit of count defining the number of instances of nothing. 
NIU 
number of international units 
A unit of count defining the number of international units. 
NJ 
number of screens 

NL 
load 
A unit of volume defining the number of loads (load: a quantity of items carried or processed at one time). 
NMI 
nautical mile 

NMP 
number of packs 
A unit of count defining the number of packs (pack: a collection of objects packaged together). 
NN 
train 

NPL 
number of parcels 

NPR 
number of pairs 
A unit of count defining the number of pairs (pair: item described by two’s). 
NPT 
number of parts 
A unit of count defining the number of parts (part: component of a larger entity). 
NQ 
mho 

NR 
micromho 

NRL 
number of rolls 

NT 
net ton 
A unit of mass equal to 2000 pounds, see ton (US). Refer International Convention on tonnage measurement of Ships. 
NTT 
net register ton 
A unit of mass equal to the total cubic footage after deductions, where 1 register ton is equal to 100 cubic feet. Refer International Convention on tonnage measurement of Ships. 
NU 
newton metre 

NV 
vehicle 

NX 
part per thousand 
A unit of proportion equal to 10⁻³. Synonym: per mille 
NY 
pound per air dry metric ton 

OA 
panel 
A unit of count defining the number of panels (panel: a distinct, usually rectangular, section of a surface). 
ODE 
ozone depletion equivalent 
A unit of mass defining the ozone depletion potential in kilograms of a product relative to the calculated depletion for the reference substance, Trichlorofluoromethane (CFC11). 
OHM 
ohm 

ON 
ounce per square yard 

ONZ 
ounce (avoirdupois) 

OP 
two pack 

OT 
overtime hour 
A unit of time defining the number of overtime hours. 
OZ 
ounce av 
A unit of measure equal to 1/16 of a pound or about 28.3495 grams (av = avoirdupois). Use ounce (common code ONZ). 
OZA 
fluid ounce (US) 

OZI 
fluid ounce (UK) 

P0 
page  electronic 

P1 
percent 
A unit of proportion equal to 0.01. 
P10 
coulomb per metre 
Derived SI unit coulomb divided by the SI base unit metre. 
P11 
kiloweber 
1000 fold of the derived SI unit weber. 
P12 
gamma 
Unit of magnetic flow density. 
P13 
kilotesla 
1000fold of the derived SI unit tesla. 
P14 
joule per second 
Quotient of the derived SI unit joule divided by the SI base unit second. 
P15 
joule per minute 
Quotient from the derived SI unit joule divided by the unit minute. 
P16 
joule per hour 
Quotient from the derived SI unit joule divided by the unit hour. 
P17 
joule per day 
Quotient from the derived SI unit joule divided by the unit day. 
P18 
kilojoule per second 
Quotient from the 1000fold of the derived SI unit joule divided by the SI base unit second. 
P19 
kilojoule per minute 
Quotient from the 1000fold of the derived SI unit joule divided by the unit minute. 
P2 
pound per foot 

P20 
kilojoule per hour 
Quotient from the 1000fold of the derived SI unit joule divided by the unit hour. 
P21 
kilojoule per day 
Quotient from the 1000fold of the derived SI unit joule divided by the unit day. 
P22 
nanoohm 
0,000 000 001fold of the derived SI unit ohm. 
P23 
ohm circularmil per foot 
Unit of resistivity. 
P24 
kilohenry 
1000fold of the derived SI unit henry. 
P25 
lumen per square foot 
Derived SI unit lumen divided by the power of the unit foot according to the AngloAmerican and Imperial system of units by exponent 2. 
P26 
phot 
CGS (CentimetreGramSecond system) unit of luminance, defined as lumen by square centimetre. 
P27 
footcandle 
Non SI conform traditional unit, defined as density of light which impinges on a surface which has a distance of one foot from a light source, which shines with an intensity of an international candle. 
P28 
candela per square inch 
SI base unit candela divided by the power of unit inch according to the AngloAmerican and Imperial system of units by exponent 2. 
P29 
footlambert 
Unit of the luminance according to the AngloAmerican system of units, defined as emitted or reflected luminance of a lm/ft². 
P3 
three pack 

P30 
lambert 
CGS (CentimetreGramSecond system) unit of luminance, defined as the emitted or reflected luminance by one lumen per square centimetre. 
P31 
stilb 
CGS (CentimetreGramSecond system) unit of luminance, defined as emitted or reflected luminance by one lumen per square centimetre. 
P32 
candela per square foot 
Base unit SI candela divided by the power of the unit foot according to the AngloAmerican and Imperial system of units by exponent 2. 
P33 
kilocandela 
1000fold of the SI base unit candela. 
P34 
millicandela 
0,001fold of the SI base unit candela. 
P35 
HefnerKerze 
Obsolete, nonlegal unit of the power in Germany relating to DIN 13013:1979: 1 HK = 0,903 cd. 
P36 
international candle 
Obsolete, nonlegal unit of the power in Germany relating to DIN 13013:1979: 1 HK = 1,019 cd. 
P37 
British thermal unit (international table) per square foot 
Unit of the arealrelated energy transmission according to the Imperial system of units. 
P38 
British thermal unit (thermochemical) per square foot 
Unit of the arealrelated energy transmission according to the Imperial system of units. 
P39 
calorie (thermochemical) per square centimetre 
Unit of the arealrelated energy transmission according to the Imperial system of units. 
P4 
four pack 

P40 
langley 
CGS (CentimetreGramSecond system) unit of the arealrelated energy transmission (as a measure of the incident quantity of heat of solar radiation on the earth’s surface). 
P41 
decade (logarithmic) 
1 Dec := log2 10 ˜ 3,32 according to the logarithm for frequency range between f1 and f2, when f2/f1 = 10. 
P42 
pascal squared second 
Unit of the set as a product of the power of derived SI unit pascal with exponent 2 and the SI base unit second. 
P43 
bel per metre 
Unit bel divided by the SI base unit metre. 
P44 
pound mole 
Non SIconforming unit of quantity of a substance relating that one pound mole of a chemical composition corresponds to the same number of pounds as the molecular weight of one molecule of this composition in atomic mass units. 
P45 
pound mole per second 
Non SIconforming unit of the power of the amount of substance nonSI compliant unit of the molar flux relating that a pound mole of a chemical composition the same number of pound corresponds like the molecular weight of a molecule of this composition in atomic mass units. 
P46 
pound mole per minute 
Non SIconforming unit of the power of the amount of substance nonSI compliant unit of the molar flux relating that a pound mole of a chemical composition the same number of pound corresponds like the molecular weight of a molecule of this composition in atomic mass units. 
P47 
kilomole per kilogram 
1000fold of the SI base unit mol divided by the SI base unit kilogram. 
P48 
pound mole per pound 
Non SIconforming unit of the material molar flux divided by the avoirdupois pound for mass according to the avoirdupois unit system. 
P49 
newton square metre per ampere 
Product of the derived SI unit newton and the power of SI base unit metre with exponent 2 divided by the SI base unit ampere. 
P5 
five pack 
A unit of count defining the number of fivepacks (fivepack: set of five items packaged together). 
P50 
weber metre 
Product of the derived SI unit weber and SI base unit metre. 
P51 
mol per kilogram pascal 
SI base unit mol divided by the product of the SI base unit kilogram and the derived SI unit pascal. 
P52 
mol per cubic metre pascal 
SI base unit mol divided by the product of the power from the SI base unit metre with exponent 3 and the derived SI unit pascal. 
P53 
unit pole 
CGS (CentimetreGramSecond system) unit for magnetic flux of a magnetic pole (according to the interaction of identical poles of 1 dyn at a distance of a cm). 
P54 
milligray per second 
0,001fold of the derived SI unit gray divided by the SI base unit second. 
P55 
microgray per second 
0,000 001fold of the derived SI unit gray divided by the SI base unit second. 
P56 
nanogray per second 
0,000 000 001fold of the derived SI unit gray divided by the SI base unit second. 
P57 
gray per minute 
SI derived unit gray divided by the unit minute. 
P58 
milligray per minute 
0,001fold of the derived SI unit gray divided by the unit minute. 
P59 
microgray per minute 
0,000 001fold of the derived SI unit gray divided by the unit minute. 
P6 
six pack 

P60 
nanogray per minute 
0,000 000 001fold of the derived SI unit gray divided by the unit minute. 
P61 
gray per hour 
SI derived unit gray divided by the unit hour. 
P62 
milligray per hour 
0,001fold of the derived SI unit gray divided by the unit hour. 
P63 
microgray per hour 
0,000 001fold of the derived SI unit gray divided by the unit hour. 
P64 
nanogray per hour 
0,000 000 001fold of the derived SI unit gray divided by the unit hour. 
P65 
sievert per second 
Derived SI unit sievert divided by the SI base unit second. 
P66 
millisievert per second 
0,001fold of the derived SI unit sievert divided by the SI base unit second. 
P67 
microsievert per second 
0,000 001fold of the derived SI unit sievert divided by the SI base unit second. 
P68 
nanosievert per second 
0,000 000 001fold of the derived SI unit sievert divided by the SI base unit second. 
P69 
rem per second 
Unit for the equivalent tin rate relating to DIN 13013:1979: 1 rem/s = 0,01 J/(kg·s) = 1 Sv/s. 
P7 
seven pack 

P70 
sievert per hour 
Derived SI unit sievert divided by the unit hour. 
P71 
millisievert per hour 
0,001fold of the derived SI unit sievert divided by the unit hour. 
P72 
microsievert per hour 
0,000 001fold of the derived SI unit sievert divided by the unit hour. 
P73 
nanosievert per hour 
0,000 000 001fold of the derived SI unit sievert divided by the unit hour. 
P74 
sievert per minute 
Derived SI unit sievert divided by the unit minute. 
P75 
millisievert per minute 
0,001fold of the derived SI unit sievert divided by the unit minute. 
P76 
microsievert per minute 
0,000 001fold of the derived SI unit sievert divided by the unit minute. 
P77 
nanosievert per minute 
0,000 000 001fold of the derived SI unit sievert divided by the unit minute. 
P78 
reciprocal square inch 
Complement of the power of the unit inch according to the AngloAmerican and Imperial system of units by exponent 2. 
P79 
pascal square metre per kilogram 
Unit of the burst index as derived unit for pressure pascal related to the substance, represented as a quotient from the SI base unit kilogram divided by the power of the SI base unit metre by exponent 2. 
P8 
eight pack 

P80 
millipascal per metre 
0,001fold of the derived SI unit pascal divided by the SI base unit metre. 
P81 
kilopascal per metre 
1000fold of the derived SI unit pascal divided by the SI base unit metre. 
P82 
hectopascal per metre 
100fold of the derived SI unit pascal divided by the SI base unit metre. 
P83 
standard atmosphere per metre 
Outdated unit of the pressure divided by the SI base unit metre. 
P84 
technical atmosphere per metre 
Obsolete and nonlegal unit of the pressure which is generated by a 10 metre water column divided by the SI base unit metre. 
P85 
torr per metre 
CGS (CentimetreGramSecond system) unit of the pressure divided by the SI base unit metre. 
P86 
psi per inch 
Compound unit for pressure (poundforce according to the AngloAmerican unit system divided by the power of the unit inch according to the AngloAmerican and Imperial system of units with the exponent 2) divided by the unit inch according to the AngloAmerican and Imperial system of units . 
P87 
cubic metre per second square metre 
Unit of volume flow cubic meters by second related to the transmission surface in square metres. 
P88 
rhe 
Non SIconforming unit of fluidity of dynamic viscosity. 
P89 
poundforce foot per inch 
Unit for lengthrelated rotational moment according to the AngloAmerican and Imperial system of units. 
P9 
nine pack 

P90 
poundforce inch per inch 
Unit for lengthrelated rotational moment according to the AngloAmerican and Imperial system of units. 
P91 
perm (0 ºC) 
Traditional unit for the ability of a material to allow the transition of the steam, defined at a temperature of 0 °C as steam transmittance, where the mass of one grain steam penetrates an area of one foot squared at a pressure from one inch mercury per hour. 
P92 
perm (23 ºC) 
Traditional unit for the ability of a material to allow the transition of the steam, defined at a temperature of 23 °C as steam transmittance at which the mass of one grain of steam penetrates an area of one square foot at a pressure of one inch mercury per hour. 
P93 
byte per second 
Unit byte divided by the SI base unit second. 
P94 
kilobyte per second 
1000fold of the unit byte divided by the SI base unit second. 
P95 
megabyte per second 
1 000 000fold of the unit byte divided by the SI base unit second. 
P96 
reciprocal volt 
Reciprocal of the derived SI unit volt. 
P97 
reciprocal radian 
Reciprocal of the unit radian. 
P98 
pascal to the power sum of stoichiometric numbers 
Unit of the equilibrium constant on the basis of the pressure(ISO 800009:2009, 935.a). 
P99 
mole per cubiv metre to the power sum of stoichiometric numbers 
Unit of the equilibrium constant on the basis of the concentration (ISO 800009:2009, 936.a). 
PA 
packet 

PAL 
pascal 

PB 
pair inch 

PD 
pad 
A unit of count defining the number of pads (pad: block of paper sheets fastened together at one end). 
PE 
pound equivalent 

PF 
pallet (lift) 

PFL 
proof litre 
A unit of volume equal to one litre of proof spirits, or the alcohol equivalent thereof. Used for measuring the strength of distilled alcoholic liquors, expressed as a percentage of the alcohol content of a standard mixture at a specific temperature. 
PG 
plate 

PGL 
proof gallon 
A unit of volume equal to one gallon of proof spirits, or the alcohol equivalent thereof. Used for measuring the strength of distilled alcoholic liquors, expressed as a percentage of the alcohol content of a standard mixture at a specific temperature. 
PI 
pitch 
A unit of count defining the number of characters that fit in a horizontal inch. 
PK 
pack 
Synonym: package 
PL 
pail 

PLA 
degree Plato 
A unit of proportion defining the sugar content of a product, especially in relation to beer. 
PM 
pound percentage 

PN 
pound net 

PO 
pound per inch of length 

PQ 
page per inch 
A unit of quantity defining the degree of thickness of a bound publication, expressed as the number of pages per inch of thickness. 
PR 
pair 
A unit of count defining the number of pairs (pair: item described by two’s). 
PS 
poundforce per square inch 

PT 
pint (US) 
Use liquid pint (common code PTL) 
PTD 
dry pint (US) 

PTI 
pint (UK) 

PTL 
liquid pint (US) 

PU 
tray / tray pack 

PV 
half pint (US) 

PW 
pound per inch of width 

PY 
peck dry (US) 

PZ 
peck dry (UK) 

Q10 
joule per tesla 
Unit of the magnetic dipole moment of the molecule as derived SI unit joule divided by the derived SI unit tesla. 
Q11 
erlang 
Unit of the market value according to the feature of a single feature as a statistical measurement of the existing utilization. 
Q12 
octet 
Synonym for byte: 1 octet = 8 bit = 1 byte. 
Q13 
octet per second 
Unit octet divided by the SI base unit second. 
Q14 
shannon 
Logarithmic unit for information equal to the content of decision of a sentence of two mutually exclusive events, expressed as a logarithm to base 2. 
Q15 
hartley 
Logarithmic unit for information equal to the content of decision of a sentence of ten mutually exclusive events, expressed as a logarithm to base 10. 
Q16 
natural unit of information 
Logarithmic unit for information equal to the content of decision of a sentence of ,718 281 828 459 mutually exclusive events, expressed as a logarithm to base Euler value e. 
Q17 
shannon per second 
Time related logarithmic unit for information equal to the content of decision of a sentence of two mutually exclusive events, expressed as a logarithm to base 2. 
Q18 
hartley per second 
Time related logarithmic unit for information equal to the content of decision of a sentence of ten mutually exclusive events, expressed as a logarithm to base 10. 
Q19 
natural unit of information per second 
Time related logarithmic unit for information equal to the content of decision of a sentence of 2,718 281 828 459 mutually exclusive events, expressed as a logarithm to base of the Euler value e. 
Q20 
second per kilogramm 
Unit of the Einstein transition probability for spontaneous or inducing emissions and absorption according to ISO 800007:2008, expressed as SI base unit second divided by the SI base unit kilogram. 
Q21 
watt square metre 
Unit of the first radiation constants c1 = 2·p·h·c0², the value of which is 3,741 771 18·10?¹6fold that of the comparative value of the product of the derived SI unit watt multiplied with the power of the SI base unit metre with the exponent 2. 
Q22 
second per radian cubic metre 
Unit of the density of states as an expression of angular frequency as complement of the product of hertz and radiant and the power of SI base unit metre by exponent 3 . 
Q23 
weber to the power minus one 
Complement of the derived SI unit weber as unit of the Josephson constant, which value is equal to the 384 597,891fold of the reference value gigahertz divided by volt. 
Q24 
reciprocal inch 
Complement of the unit inch according to the AngloAmerican and Imperial system of units. 
Q25 
dioptre 
Unit used at the statement of relative refractive indexes of optical systems as complement of the focal length with correspondence to: 1 dpt = 1/m. 
Q26 
one per one 
Value of the quotient from two physical units of the same kind as a numerator and denominator whereas the units are shortened mutually. 
Q27 
newton metre per metre 
Unit for lengthrelated rotational moment as product of the derived SI unit newton and the SI base unit metre divided by the SI base unit metre. 
Q28 
kilogram per square metre pascal second 
Unit for the ability of a material to allow the transition of steam. 
Q29 
microgram per hectogram 
Microgram per hectogram. 
Q30 
pH (potential of Hydrogen) 
The activity of the (solvated) hydrogen ion (a logarithmic measure used to state the acidity or alkalinity of a chemical solution). 
Q31 
kilojoule per gram 

Q3 
meal 
A unit of count defining the number of meals (meal: an amount of food to be eaten on a single occasion). 
QA 
page  facsimile 
A unit of count defining the number of facsimile pages. 
QAN 
quarter (of a year) 
A unit of time defining the number of quarters (3 months). 
QB 
page  hardcopy 
A unit of count defining the number of hardcopy pages (hardcopy page: a page rendered as printed or written output on paper, film, or other permanent medium). 
QD 
quarter dozen 

QH 
quarter hour 

QK 
quarter kilogram 

QR 
quire 
A unit of count for paper, expressed as the number of quires (quire: a number of paper sheets, typically 25). 
QT 
quart (US) 
Use liquid quart (common code QTL) 
QTD 
dry quart (US) 

QTI 
quart (UK) 

QTL 
liquid quart (US) 

QTR 
quarter (UK) 
A traditional unit of weight equal to 1/4 hundredweight. In the United Kingdom, one quarter equals 28 pounds. 
R1 
pica 
A unit of count defining the number of picas. (pica: typographical length equal to 12 points or 4.22 mm (approx.)). 
R4 
calorie 
Use International Table (IT) calorie (common code D70) 
R9 
thousand cubic metre 
A unit of volume equal to one thousand cubic metres. 
RA 
rack 

RD 
rod 

RG 
ring 

RH 
running or operating hour 
A unit of time defining the number of hours of operation. 
RK 
roll metric measure 

RL 
reel 

RM 
ream 
A unit of count for paper, expressed as the number of reams (ream: a large quantity of paper sheets, typically 500). 
RN 
ream metric measure 

RO 
roll 

ROM 
room 
A unit of count defining the number of rooms. 
RP 
pound per ream 
A unit of mass for paper, expressed as pounds per ream. (ream: a large quantity of paper, typically 500 sheets). 
RPM 
revolutions per minute 
Refer ISO/TC12 SI Guide 
RPS 
revolutions per second 
Refer ISO/TC12 SI Guide 
RS 
reset 

RT 
revenue ton mile 
A unit of information typically used for billing purposes, expressed as the number of revenue tons (revenue ton: either a metric ton or a cubic metres, whichever is the larger), moved over a distance of one mile. 
RU 
run 

S3 
square foot per second 
Synonym: foot squared per second 
S4 
square metre per second 
Synonym: metre squared per second (square metres/second US) 
S5 
sixty fourths of an inch 

S6 
session 

S7 
storage unit 

S8 
standard advertising unit 

SA 
sack 

SAN 
half year (6 months) 
A unit of time defining the number of half years (6 months). 
SCO 
score 
A unit of count defining the number of units in multiples of 20. 
SCR 
scruple 

SD 
solid pound 

SE 
section 

SEC 
second [unit of time] 

SET 
set 
A unit of count defining the number of sets (set: a number of objects grouped together). 
SG 
segment 
A unit of information equal to 64000 bytes. 
SHT 
shipping ton 
A unit of mass defining the number of tons for shipping. 
SIE 
siemens 

SK 
split tank truck 

SL 
slipsheet 

SMI 
mile (statute mile) 

SN 
square rod 

SO 
spool 

SP 
shelf package 

SQ 
square 
A unit of count defining the number of squares (square: rectangular shape). 
SQR 
square, roofing 
A unit of count defining the number of squares of roofing materials, measured in multiples of 100 square feet. 
SR 
strip 
A unit of count defining the number of strips (strip: long narrow piece of an object). 
SS 
sheet metric measure 

SST 
short standard (7200 matches) 

ST 
sheet 

STC 
stick 
A unit of count defining the number of sticks (stick: slender and often cylindrical piece of a substance). 
STI 
stone (UK) 

STK 
stick, cigarette 
A unit of count defining the number of cigarettes in the smallest unit for stocktaking and/or duty computation. 
STL 
standard litre 
A unit of volume defining the number of litres of a product at a temperature of 15 degrees Celsius, especially in relation to hydrocarbon oils. 
STN 
ton (US) or short ton (UK/US) 
Synonym: net ton (2000 lb) 
STW 
straw 
A unit of count defining the number of straws (straw: a slender tube used for sucking up liquids). 
SV 
skid 

SW 
skein 
A unit of count defining the number of skeins (skein: a looselycoiled bundle of yarn or thread). 
SX 
shipment 
A unit of count defining the number of shipments (shipment: an amount of goods shipped or transported). 
SYR 
syringe 
A unit of count defining the number of syringes (syringe: a small device for pumping, spraying and/or injecting liquids through a small aperture). 
T0 
telecommunication line in service 
A unit of count defining the number of lines in service. 
T1 
thousand pound gross 

T3 
thousand piece 
A unit of count defining the number of pieces in multiples of 1000 (piece: a single item, article or exemplar). 
T4 
thousand bag 

T5 
thousand casing 

T6 
thousand gallon (US) 

T7 
thousand impression 

T8 
thousand linear inch 

TA 
tenth cubic foot 

TAH 
kiloampere hour (thousand ampere hour) 

TAN 
total acid number 
A unit of chemistry defining the amount of potassium hydroxide (KOH) in milligrams that is needed to neutralize the acids in one gram of oil. It is an important quality measurement of crude oil. 
TC 
truckload 

TD 
therm 

TE 
tote 

TF 
ten square yard 

TI 
thousand square inch 

TIC 
metric ton, including container 
A unit of mass defining the number of metric tons of a product, including its container. 
TIP 
metric ton, including inner packaging 
A unit of mass defining the number of metric tons of a product, including its inner packaging materials. 
TJ 
thousand square centimetre 

TK 
tank, rectangular 

TKM 
tonne kilometre 
A unit of information typically used for billing purposes, expressed as the number of tonnes (metric tons) moved over a distance of one kilometre. 
TL 
thousand foot (linear) 

TMS 
kilogram of imported meat, less offal 
A unit of mass equal to one thousand grams of imported meat, disregarding less valuable byproducts such as the entrails. 
TN 
tin 

TNE 
tonne (metric ton) 
Synonym: metric ton 
TP 
ten pack 
A unit of count defining the number of items in multiples of 10. 
TPR 
ten pair 
A unit of count defining the number of pairs in multiples of 10 (pair: item described by two’s). 
TQ 
thousand foot 

TQD 
thousand cubic metre per day 
A unit of volume equal to one thousand cubic metres per day. 
TR 
ten square foot 

TRL 
trillion (EUR) 

TS 
thousand square foot 

TSD 
tonne of substance 90 % dry 

TSH 
ton of steam per hour 

TST 
ten set 
A unit of count defining the number of sets in multiples of 10 (set: a number of objects grouped together). 
TT 
thousand linear metre 

TTS 
ten thousand sticks 
A unit of count defining the number of sticks in multiples of 10000 (stick: slender and often cylindrical piece of a substance). 
TU 
tube 

TV 
thousand kilogram 

TW 
thousand sheet 

TY 
tank, cylindrical 

U1 
treatment 
A unit of count defining the number of treatments (treatment: subjection to the action of a chemical, physical or biological agent). 
U2 
tablet 
A unit of count defining the number of tablets (tablet: a small flat or compressed solid object). 
UA 
torr 

UB 
telecommunication line in service average 
A unit of count defining the average number of lines in service. 
UC 
telecommunication port 
A unit of count defining the number of network access ports. 
UD 
tenth minute 

UE 
tenth hour 

UF 
usage per telecommunication line average 

UH 
ten thousand yard 

UM 
million unit 

VA 
volt  ampere per kilogram 

VI 
vial 

VLT 
volt 

VP 
percent volume 
A measure of concentration, typically expressed as the percentage volume of a solute in a solution. 
VQ 
bulk 

VS 
visit 

W2 
wet kilo 
A unit of mass defining the number of kilograms of a product, including the water content of the product. 
W4 
two week 

WA 
watt per kilogram 

WB 
wet pound 
A unit of mass defining the number of pounds of a material, including the water content of the material. 
WCD 
cord 
A unit of volume used for measuring lumber. One board foot equals 1/12 of a cubic foot. 
WE 
wet ton 
A unit of mass defining the number of tons of a material, including the water content of the material. 
WEB 
weber 

WEE 
week 

WG 
wine gallon 
A unit of volume equal to 231 cubic inches. 
WH 
wheel 

WHR 
watt hour 

WI 
weight per square inch 

WM 
working month 
A unit of time defining the number of working months. 
WR 
wrap 

WSD 
standard 
A unit of volume of finished lumber equal to 165 cubic feet. Synonym: standard cubic foot 
WTT 
watt 

WW 
millilitre of water 
A unit of volume equal to the number of millilitres of water. 
X1 
Gunter’s chain 
A unit of distance used or formerly used by British surveyors. 
YDK 
square yard 

YDQ 
cubic yard 

YL 
hundred linear yard 

YRD 
yard 

YT 
ten yard 

Z1 
lift van 

Z11 
hanging container 
A unit of count defining the number of hanging containers. 
Z2 
chest 

Z3 
cask 

Z4 
hogshead 

Z5 
lug 

Z6 
conference point 

Z8 
newspage agate line 

ZP 
page 
A unit of count defining the number of pages. 
ZZ 
mutually defined 
A unit of measure as agreed in common between two or more parties. 