8.3 Conversion Chart
Table 8.17 Conversion Chart
SI Units (Metric)
Inch-Pound Units
Quantity
Unit Name
Abbreviation
Factor
Unit Name
Abbreviation
Area
hectares
ha
x 2.4710 =
acres
acres
Flow
liters per minute
L/min
x 0.2642 =
US gallons
per minute
gpm
Force
Newtons
N
x 0.2248 =
pounds force
lbf
millimeters
mm
x 0.0394 =
inch
in.
Length
meters
m
x 3.2808 =
foot
ft.
Power
kilowatts
kW
x 1.341 =
horsepower
hp
kilopascals
kPa
x 0.145 =
megapascals
MPa
x 145.038 =
Pressure
bar (Non-SI)
bar
x 14.5038
pounds per
square inch
psi
Newton meters
Nm
x 0.7376 =
pound feet or
foot pounds
lbf·ft
Torque
Newton meters
Nm
x 8.8507 =
pound inches or
inch pounds
lbf·in
Temperature
Celsius
˚
C
(C
˚
x 1.8) + 32 =
degrees
Fahrenheit
˚
F
meters per
minute
m/min
x 3.2808 =
feet per minute
ft/min
meters per
second
m/s
x 3.2808 =
feet per second
ft/s
Velocity
kilometers per
hour
km/h
x 0.6214 =
miles per hour
mph
liters
L
x 0.2642 =
US gallons
US gal
milliliters
ml
x 0.0338 =
ounces
oz.
Volume
cubic
centimeters
cm
3
or cc
x 0.061 =
cubic inches
in.
3
Weight
kilograms
kg
x 2.2046 =
pounds
lb.
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Revision A