Case 621G - Metric and Imperial Units Abbreviations

1-GENERALINFORMATION
Metricandimperialunitsabbreviations
TypicalapplicationsMetricunitImperialunit
Name
Symbol
Name
Symbol
Area(Landarea)
hectareha
acreac
squarefootft²
squaremeter
m²
squareinch
in²
squaremillimeter
mm²
squareinch
in²
Electricity
milliamperemAmilliamperemA
ampere
A
ampere
A
ampere–hours
A*h
ampere–hours
A*h
voltVvoltV
microfarad
µF
microfarad
µF
ohm
Ω
ohm
Ω
Force
kilonewtonkNpoundlb
newton
N
Forceperlength
poundperfootlb/ft
newtonpermeter
N/m
poundperinch
lb/in
Frequency
megahertzMHzmegahertzMHz
kilohertzkHzkilohertzkHz
hertzHzhertzHz
Frequency−Rotational
r/minr/min
revolutionsperminute
rpm
revolutionsperminute
rpm
Length
kilometerkmmilemi
meter
m
footft
centimeter
cm
inchin
millimeter
mm
micrometer
µm
Mass
metricton
t
poundlb
kilogramkg
gramgounceoz
milligram
mg
MassperMass
milligramperkilogram
mg/kg
Power
kilowattkWhorsepowerHp
watt
WBtuperhour
Btu/hr
Btuperminute
Btu/min
Pressureorstress(Forceperarea)
kilopascalkPa
megapascalMPa
poundpersquareinchpsi
pascalPa
inchofwaterinH2O
inchofmercury
inHg
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