Browse
  
Codes
  
HUR
hour
  
HWE
Piece Week
Unit for measuring the item amount and time as required by DIN 18451
  
IA
inch pound (pound inch)
  
IE
person
A unit of count defining the number of persons.
  
INH
inch
  
INK
square inch
  
INQ
cubic inch
Synonym: inch cubed
  
ISD
international sugar degree
A unit of measure defining the sugar content of a solution, expressed in degrees.
  
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 (pound-force 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 sugar-to-water 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 10 to the power of 6 (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
  
JE
joule per kelvin
  
JK
megajoule per kilogram
  
JM
megajoule per cubic metre
  
JNT
pipeline joint
A count of the number of pipeline joints.
  
JOU
joule
  
JPS
hundred metre
A unit of count defining the number of 100 metre lengths.
  
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 pound-force per hour
  
K16
foot pound-force 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
gram-force 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 10 to the power of 3 (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
pound-force per square foot
  
K86
pound-force 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
pound-force second per square foot
  
K92
pound-force 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 10 to the power of 3 (1000) characters.
  
KBA
kilobar
  
KCC
kilogram of choline chloride
A unit of mass equal to one thousand grams of choline chloride.
  
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 80000-5 (Quantities and units — Part 5: Thermodynamics)
  
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 10 to the power of 3 (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.
  
KNM
kilonewton per square metre
Pressure expressed in kN/m2.
  
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
  
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).
  
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
  
KWN
Kilowatt hour per normalized cubic metre
Kilowatt hour per normalized cubic metre (temperature 0°C and pressure 1013.25 millibars ).
  
KWO
kilogram of tungsten trioxide
A unit of mass equal to one thousand grams of tungsten trioxide.
  
KWS
Kilowatt hour per standard cubic metre
Kilowatt hour per standard cubic metre (temperature 15°C and pressure 1013.25 millibars).
  
KWT
kilowatt
  
KWY
kilowatt year
killowatt year
  
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
  
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
ton-force (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)
  
LD
litre per day
  
LEF
leaf
A unit of count defining the number of leaves.
  
LF
linear foot
A unit of count defining the number of feet (12-inch) in length of a uniform width object.
  
LH
labour hour
A unit of time defining the number of labour hours.
  
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
  
LY
linear yard
A unit of count defining the number of 36-inch units in length of a uniform width object.
  
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
30-day 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
1000-fold of the SI base unit metre divided by the power of the SI base unit second by exponent 2.
  
M39
centimetre per second squared
0,01-fold 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 Anglo-American and Imperial system of units divided by the power of the SI base unit second by exponent 2.
  
M41
millimetre per second squared
0,001-fold 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 Anglo-American 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 Anglo-American and Imperial system of units divided by the unit common year with 365 days.
  
M62
kilometre per second
1000-fold of the SI base unit metre divided by the SI base unit second.
  
M63
inch per minute
Unit inch according to the Anglo-American and Imperial system of units divided by the unit minute.
  
M64
yard per second
Unit yard according to the Anglo-American and Imperial system of units divided by the SI base unit second.
  
M65
yard per minute
Unit yard according to the Anglo-American and Imperial system of units divided by the unit minute.
  
M66
yard per hour
Unit yard according to the Anglo-American and Imperial system of units divided by the unit hour.
  
M67
acre-foot (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
micro-inch
  
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
kilopound-force
1000-fold of the unit of the force pound-force (lbf) according to the Anglo-American system of units with the relationship.
  
M76
poundal
Non SI-conforming 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
0,001-fold 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 Anglo-American and Imperial system of units by exponent 2 divided by the unit of time hour.
  
M80
stokes per pascal
CGS (Centimetre-Gram-Second system) unit stokes divided by the derived SI unit pascal.
  
M81
square centimetre per second
0,000 1-fold 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 SI-conforming 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
1000-fold 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
pound-force foot
Product of the unit pound-force according to the Anglo-American system of units and the unit foot according to the Anglo-American 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 SI-conforming unit of the force poundal and the unit foot according to the Anglo-American and Imperial system of units .
  
M96
poundal inch
Product of the non SI-conforming unit of the force poundal and the unit inch according to the Anglo-American and Imperial system of units .
  
M97
dyne metre
CGS (Centimetre-Gram-Second system) unit of the rotational moment.
  
M98
kilogram centimetre per second
Product of the SI base unit kilogram and the 0,01-fold of the SI base unit metre divided by the SI base unit second.
  
M99
gram centimetre per second
Product of the 0,001-fold of the SI base unit kilogram and the 0,01-fold of the SI base unit metre divided by the SI base unit second.
  
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.
  
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 10 to the power of 6.
  
MKD
Square Metre Day
Unit for measuring physical dimensions and time as required by DIN 18451
  
MKM
Square Metre Month
Unit for measuring physical dimensions and time as required by DIN 18451
  
MKW
Square Metre Week
Unit for measuring physical dimensions and time as required by DIN 18451
  
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.
  
MNJ
Mega Joule per Normalised cubic Metre
Energy in Mega Joules per normalised cubic metre for gas (temperature 0°C and pressure 101325 millibars)
  
MON
month
Unit of time equal to 1/12 of a year of 365,25 days.
  
MPA
megapascal
  
MQD
Cubic Metre Day
Unit for measuring physical dimensions and time as required by DIN 18451
  
MQH
cubic metre per hour
  
MQM
Cubic Metre Month
Unit for measuring physical dimensions and time as required by DIN 18451
  
MQS
cubic metre per second
  
MQW
Cubic Metre Week
Unit for measuring physical dimensions and time as required by DIN 18451
  
MRD
Metre Day
Unit for measuring physical dimensions and time as required by DIN 18451
  
MRM
Metre Month
Unit for measuring physical dimensions and time as required by DIN 18451
  
MRW
Metre Week
Unit for measuring physical dimensions and time, as required by DIN 18451
  
MSK
metre per second squared
  
MTK
square metre
  
MTQ
cubic metre
Synonym: metre cubed
  
MTR
metre
  
MTS
metre per second
  
MTZ
milihertz
A unit of frequency equal to 0.001 cycle per second
  
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 Anglo-American 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 Anglo-American and Imperial system of units divided by the SI base unit second.
  
N12
Pferdestaerke
Obsolete unit of the power relating to DIN 1301-3:1979: 1 PS = 735,498 75 W.
  
N13
centimetre of mercury (0 ºC)
Non SI-conforming 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 SI-conforming 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 SI-conforming unit of pressure according to the Anglo-American 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 SI-conforming unit of pressure according to the Anglo-American 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 SI-conforming unit of pressure according to the Anglo-American 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 SI-conforming unit of pressure according to the Anglo-American 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 SI-conforming unit of pressure according to the Anglo-American 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 .
  
N20
kip per square inch
Non SI-conforming unit of the pressure according to the Anglo-American system of units as the 1000-fold of the unit of the force pound-force divided by the power of the unit inch by exponent 2.
  
N21
poundal per square foot
Non SI-conforming 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 Anglo-American and Imperial system of units).
  
N23
conventional metre of water
Not SI-conforming 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
0,001-fold of the SI base unit kilogram divided by the 0.000 001-fold of the power of the SI base unit meter by exponent 2.
  
N25
pound per square yard
Unit for areal-related mass as a unit pound according to the avoirdupois unit system divided by the power of the unit yard according to the Anglo-American and Imperial system of units with exponent 2.
  
N26
poundal per square inch
Non SI-conforming 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 Anglo-American 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 Anglo-American 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 Anglo-American and Imperial system of units by exponent 3 divided by the avoirdupois pound according to the avoirdupois unit system .
  
N31
kilonewton per metre
1000-fold of the derived SI unit newton divided by the SI base unit metre.
  
N32
poundal per inch
Non SI-conforming unit of the surface tension according to the Imperial unit system as quotient poundal by inch.
  
N33
pound-force per yard
Unit of force per unit length based on the Anglo-American system of units.
  
N34
poundal second per square foot
Non SI-conforming unit of viscosity.
  
N35
poise per pascal
CGS (Centimetre-Gram-Second 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 0,001-fold of the SI base unit kilogram divided by the 0,01-fold of the SI base unit metre and SI base unit second.
  
N42
poundal second per square inch
Non SI-conforming 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 Anglo-American unit system.
  
N44
pound per foot day
Unit of the dynamic viscosity according to the Anglo-American 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 (force-path).
  
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 0,01-fold 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 Anglo-American 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 mass-related heat capacity as quotient 1000-fold of the calorie (international table) divided by the product of the 0,001-fold 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
1000-fold 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
1000-fold 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
1000-fold 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 SI-conforming unit of the thermal resistance according to the Imperial system of units.
  
N85
degree Fahrenheit hour per British thermal unit (thermochemical)
Non SI-conforming unit of the thermal resistance according to the Imperial system of units.
  
N86
degree Fahrenheit second per British thermal unit (international table)
Non SI-conforming unit of the thermal resistance according to the Imperial system of units.
  
N87
degree Fahrenheit second per British thermal unit (thermochemical)
Non SI-conforming 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
1000-fold of the derived SI unit farad.
  
N91
reciprocal joule
Reciprocal of the derived SI unit joule.
  
N92
picosiemens
0,000 000 000 001-fold of the derived SI unit siemens.
  
N93
ampere per pascal
SI base unit ampere divided by the derived SI unit pascal.
  
N94
franklin
CGS (Centimetre-Gram-Second 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 (Centimetre-Gram-Second 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 cross-section in the distance of 1 cm.
  
N97
gilbert
CGS (Centimetre-Gram-Second 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
0,000 000 000 001-fold 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).
  
NCL
number of cells
A unit of count defining the number of cells (cell: an enclosed or circumscribed space, cavity, or volume).
  
NEW
newton
  
NF
message
A unit of count defining the number of messages.
  
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.
  
NL
load
A unit of volume defining the number of loads (load: a quantity of items carried or processed at one time).
  
NM3
Normalised cubic metre
Normalised cubic metre (temperature 0°C and pressure 1013.25 millibars )
  
NMI
nautical mile
  
NMP
number of packs
A unit of count defining the number of packs (pack: a collection of objects packaged together).
  
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
  
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.
  
NTU
Nephelometric turbidity unit
Nephelometric turbidity unit (NTU) is used for water turbidity level evaluation
  
NU
newton metre
  
NX
part per thousand
A unit of proportion equal to 10 to the power of -3.
Synonym: per mille
  
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 (CFC-11).
  
ODG
ODS Grams
A unit of measure calculated by multiplying the mass of the substance in grams and the ozone-depleting potential for the substance.
  
ODK
ODS Kilograms
A unit of measure calculated by multiplying the mass of the substance in kilograms and the ozone-depleting potential for the substance.
  
ODM
ODS Milligrams
A unit of measure calculated by multiplying the mass of the substance in milligrams and the ozone-depleting potential for the substance.
  
OHM
ohm
  
ON
ounce per square yard
  
ONZ
ounce (avoirdupois)
  
OPM
oscillations per minute
The number of oscillations per minute.
  
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)
  
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
1000-fold 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 1000-fold of the derived SI unit joule divided by the SI base unit second.
  
P19
kilojoule per minute
Quotient from the 1000-fold of the derived SI unit joule divided by the unit minute.
  
P2
pound per foot
  
P20
kilojoule per hour
Quotient from the 1000-fold of the derived SI unit joule divided by the unit hour.
  
P21
kilojoule per day
Quotient from the 1000-fold of the derived SI unit joule divided by the unit day.
  
P22
nanoohm
0,000 000 001-fold of the derived SI unit ohm.
  
P23
ohm circular-mil per foot
Unit of resistivity.
  
P24
kilohenry
1000-fold 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 Anglo-American and Imperial system of units by exponent 2.
  
P26
phot
CGS (Centimetre-Gram-Second 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 Anglo-American and Imperial system of units by exponent 2.
  
P29
footlambert
Unit of the luminance according to the Anglo-American system of units, defined as emitted or reflected luminance of a lm/ft².
  
P30
lambert
CGS (Centimetre-Gram-Second system) unit of luminance, defined as the emitted or reflected luminance by one lumen per square centimetre.
  
P31
stilb
CGS (Centimetre-Gram-Second 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 Anglo-American and Imperial system of units by exponent 2.
  
P33
kilocandela
1000-fold of the SI base unit candela.
  
P34
millicandela
0,001-fold of the SI base unit candela.
  
P35
Hefner-Kerze
Obsolete, non-legal unit of the power in Germany relating to DIN 1301-3:1979: 1 HK = 0,903 cd.
  
P36
international candle
Obsolete, non-legal unit of the power in Germany relating to DIN 1301-3:1979: 1 HK = 1,019 cd.
  
P37
British thermal unit (international table) per square foot
Unit of the areal-related energy transmission according to the Imperial system of units.
  
P38
British thermal unit (thermochemical) per square foot
Unit of the areal-related energy transmission according to the Imperial system of units.
  
P39
calorie (thermochemical) per square centimetre
Unit of the areal-related energy transmission according to the Imperial system of units.
  
P40
langley
CGS (Centimetre-Gram-Second system) unit of the areal-related 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 SI-conforming 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 SI-conforming unit of the power of the amount of substance non-SI 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 SI-conforming unit of the power of the amount of substance non-SI 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
1000-fold of the SI base unit mol divided by the SI base unit kilogram.
  
P48
pound mole per pound
Non SI-conforming 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 five-packs (five-pack: 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 (Centimetre-Gram-Second 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
0,001-fold of the derived SI unit gray divided by the SI base unit second.
  
P55
microgray per second
0,000 001-fold of the derived SI unit gray divided by the SI base unit second.
  
P56
nanogray per second
0,000 000 001-fold 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
0,001-fold of the derived SI unit gray divided by the unit minute.
  
P59
microgray per minute
0,000 001-fold of the derived SI unit gray divided by the unit minute.
  
P60
nanogray per minute
0,000 000 001-fold 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
0,001-fold of the derived SI unit gray divided by the unit hour.
  
P63
microgray per hour
0,000 001-fold of the derived SI unit gray divided by the unit hour.
  
P64
nanogray per hour
0,000 000 001-fold 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
0,001-fold of the derived SI unit sievert divided by the SI base unit second.
  
P67
microsievert per second
0,000 001-fold of the derived SI unit sievert divided by the SI base unit second.
  
P68
nanosievert per second
0,000 000 001-fold 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 1301-3:1979: 1 rem/s = 0,01 J/(kg·s) = 1 Sv/s.
  
P70
sievert per hour
Derived SI unit sievert divided by the unit hour.
  
P71
millisievert per hour
0,001-fold of the derived SI unit sievert divided by the unit hour.
  
P72
microsievert per hour
0,000 001-fold of the derived SI unit sievert divided by the unit hour.
  
P73
nanosievert per hour
0,000 000 001-fold 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
0,001-fold of the derived SI unit sievert divided by the unit minute.
  
P76
microsievert per minute
0,000 001-fold of the derived SI unit sievert divided by the unit minute.
  
P77
nanosievert per minute
0,000 000 001-fold 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 Anglo-American 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.
  
P80
millipascal per metre
0,001-fold of the derived SI unit pascal divided by the SI base unit metre.
  
P81
kilopascal per metre
1000-fold of the derived SI unit pascal divided by the SI base unit metre.
  
P82
hectopascal per metre
100-fold 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 non-legal 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 (Centimetre-Gram-Second system) unit of the pressure divided by the SI base unit metre.
  
P86
psi per inch
Compound unit for pressure (pound-force according to the Anglo-American unit system divided by the power of the unit inch according to the Anglo-American and Imperial system of units with the exponent 2) divided by the unit inch according to the Anglo-American 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 SI-conforming unit of fluidity of dynamic viscosity.
  
P89
pound-force foot per inch
Unit for length-related rotational moment according to the Anglo-American and Imperial system of units.
  
P90
pound-force inch per inch
Unit for length-related rotational moment according to the Anglo-American 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
1000-fold of the unit byte divided by the SI base unit second.
  
P95
megabyte per second
1 000 000-fold 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 80000-9:2009, 9-35.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 80000-9:2009, 9-36.a).
  
PAL
pascal
  
PD
pad
A unit of count defining the number of pads (pad: block of paper sheets fastened together at one end).
  
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.
  
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.
  
PLA
degree Plato
A unit of proportion defining the sugar content of a product, especially in relation to beer.
  
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
pound-force per square inch
  
PT
pint (US)
Use liquid pint (common code PTL)
  
PTD
dry pint (US)
  
PTI
pint (UK)
  
PTL
liquid pint (US)
  
PTN
portion
A quantity of allowance of food allotted to, or enough for, one person.
  
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 80000-7:2008, 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·c0 to the power of 2, the value of which is 3,741 771 18·10?16-fold   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 384 597,891-fold of the reference value gigahertz divided by volt.
  
Q24
reciprocal inch
Complement of the unit inch according to the Anglo-American 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 length-related 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.
  
Q3
meal
A unit of count defining the number of meals (meal: an amount of food to be eaten on a single occasion).
  
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
  
Q32
femtolitre
  
Q33
picolitre
  
Q34
nanolitre
  
Q35
megawatts per minute
A unit of power defining the total amount of bulk energy transferred or consumer per minute.
  
Q36
square metre per cubic metre
A unit of the amount of surface area per unit volume of an object or collection of objects.
  
Q37
Standard cubic metre per day
Standard cubic metre (temperature 15°C and pressure 1013.25 millibars ) per day
  
Q38
Standard cubic metre per hour
Standard cubic metre (temperature 15°C and pressure 1013.25 millibars ) per hour
  
Q39
Normalized cubic metre per day
Normalized cubic metre (temperature 0°C and pressure 1013.25 millibars ) per day
  
Q40
Normalized cubic metre per hour
Normalized cubic metre (temperature 0°C and pressure 1013.25 millibars ) per hour
  
Q41
Joule per normalised cubic metre
Joule per normalised cubic metre (temperature 0°C and pressure 1013.25 millibars).
  
Q42
Joule per standard cubic metre
Joule per standard cubic metre (temperature 15°C and pressure 1013.25 millibars).
  
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).
  
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.)).
  
R9
thousand cubic metre
A unit of volume equal to one thousand cubic metres.
  
RH
running or operating hour
A unit of time defining the number of hours of operation.
  
RM
ream
A unit of count for paper, expressed as the number of reams (ream: a large quantity of paper sheets, typically 500).
  
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
  
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.
  
S3
square foot per second
Synonym: foot squared per second
  
S4
square metre per second
Synonym: metre squared per second (square metres/second US)
  
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
  
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
  
SM3
Standard cubic metre
Standard cubic metre (temperature 15°C and pressure 1013.25 millibars )
  
SMI
mile (statute mile)
  
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).
  
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 stock-taking 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).
  
SW
skein
A unit of count defining the number of skeins (skein: a loosely-coiled 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.
  
T3
thousand piece
A unit of count defining the number of pieces in multiples of 1000 (piece: a single item, article or exemplar).
  
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.
  
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.
  
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.
  
TMS
kilogram of imported meat, less offal
A unit of mass equal to one thousand grams of imported meat, disregarding less valuable by-products such as the entrails.
  
TNE
tonne (metric ton)
Synonym: metric ton
  
TP
ten pack
A unit of count defining the number of items in multiples of 10.
  
TPI
teeth per inch
The number of teeth per inch.
  
TPR
ten pair
A unit of count defining the number of pairs in multiples of 10 (pair: item described by two's).
  
TQD
thousand cubic metre per day
A unit of volume equal to one thousand cubic metres per day.
  
TRL
trillion (EUR)
  
TST
ten set
A unit of count defining the number of sets in multiples of 10 (set: a number of objects grouped together).
  
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).
  
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.
  
UIG
international unit per gram
A unit of count defining the number of international units per gram.
  
VA
volt - ampere per kilogram
  
VLT
volt
  
VP
percent volume
A measure of concentration, typically expressed as the percentage volume of a solute in a solution.
  
W2
wet kilo
A unit of mass defining the number of kilograms of a product, including the water content of the product.
  
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.
  
WHR
watt hour
  
WM
working month
A unit of time defining the number of working months.
  
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
  
YRD
yard
  
Z11
hanging container
A unit of count defining the number of hanging containers.
  
Z9
nanomole
An SI unit of amount of substance equal to 10−9 moles
  
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.