Cat.

Temperature

Velocity

Mass

Force/Weight

Display Name

Unit

°C

degrees Celsius

 

 

K

Kelvin

 

 

°F

degrees Fahrenheit

 

 

°R

degrees Rankine

m/s

meter per second

 

 

km/h

kilometer per hour

 

 

knot

knot

 

 

ft/s

foot per second

 

 

mile/h

mile per hour

u

atomic mass unit

mg milligram

ggram

kg kilogram

mton

metric ton

oz

avoirdupois ounce

 

 

lb

pound mass

 

 

slug

slug

 

 

ton(short)

ton, short (2000lbm)

 

 

ton(long)

ton, long (2240lbm)

N

newton

 

 

lbf

pound of force

 

 

tonf

ton of force

 

 

dyne

dyne

 

 

kgf

kilogram of force

Cat.

Display Name

Unit

 

Pa

Pascal

 

 

 

 

kPa

Kilo Pascal

 

 

 

 

mmH2O

millimeter of water

 

 

 

 

mmHg

millimeter of Mercury

 

 

 

Pressure

atm

atmosphere

 

 

inH2O

inch of water

 

 

 

 

 

inHg

inch of Mercury

 

 

 

 

lbf/in2

pound per square

 

inch

 

 

 

 

 

 

bar

bar

 

 

 

 

kgf/cm2

kilogram force per

 

square centimeter

 

 

 

eV

electron Volt

 

 

 

 

J

Joule

 

 

 

 

calth

calorieth

 

 

 

 

cal15

calorie (15°C)

 

 

 

 

calIT

calorieIT

 

 

 

Energy/Work

kcalth

kilocalorieth

 

 

kcal15

kilocalorie (15°C)

 

 

 

 

 

kcalIT

kilocalorieIT

 

 

 

 

l-atm

liter atmosphere

 

 

 

 

kWh

kilowatt hour

 

 

 

 

ftlbf

foot-pound

 

 

 

 

Btu

British thermal unit

 

 

 

 

erg

erg

 

 

 

 

kgfm

kilogram force meter

 

W

watt

 

 

 

 

calth/s

calorie per second

 

 

 

Power

hp

horsepower

 

 

ftlbf/s

foot-pound per

 

second

 

 

 

 

 

 

Btu/min

British thermal unit

 

per minute

 

 

 

 

 

Source: NIST Special Publication 811 (1995)

2-51