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97
Revision A
9.5
Conversion Chart
Table 9.10 Conversion Chart
Quantity
Imperial/Standard Units
Factor
SI Units (Metric)
Unit Name
Abbreviation
Unit Name
Abbreviation
Area
acres
acres
x 0.4047 =
hectares
ha
Flow
US gallons per
minute
gpm
x 3.7854 =
liters per minute
L/min
Force
pounds force
lbf
x 4.4482 =
Newtons
N
Length
inch
in.
x 25.4 =
millimeters
mm
foot
ft.
x 0.305 =
meters
m
Power
horsepower
hp
x 0.7457 =
kilowatts
kW
Pressure
pounds per
square inch
psi
x 6.8948 =
kilopascals
kPa
x .00689 =
megapascals
MPa
÷ 14.5038 =
bar (Non-SI)
bar
Torque
pound feet or
foot pounds
lbf·ft
x 1.3558 =
Newton meters
Nm
pound inches or
inch pounds
lbf·in
x 0.1129 =
Newton meters
Nm
Temperature
degrees
Fahrenheit
˚F
(˚F-32) x 0.56 =
Celsius
˚C
Velocity
feet per minute
ft/min
x 0.3048 =
meters per
minute
m/min
feet per second
ft/s
x 0.3048 =
meters per
second
m/s
miles per hour
mph
x 1.6063 =
kilometers per
hour
km/h
Volume
US gallons
US gal
x 3.7854 =
liters
L
ounces
oz.
x 29.5735 =
milliliters
ml
cubic inches
in
3
x 16.3871 =
cubic
centimeters
cm
3
or cc
Weight
pounds
lb.
x 0.4536 =
kilograms
kg