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Revision D
Chapter 7:
Reference
This chapter provides quick access to frequently needed information or numbers (for example, units of measurement or
torque values).
7.1
Conversion Chart
Both SI units (including metric) and US customary units (sometimes referred to as standard units) of measurement are used
in this manual. A list of those units along with their abbreviations and conversion factors is provided here for your
reference.
Table 7.1 Conversion Chart
Quantity
SI Units (Metric)
Factor
US Customary Units (Standard)
Unit Name
Abbreviation
Unit Name
Abbreviation
Area
hectare
ha
x 2.4710 =
acre
acres
Flow
liters per minute
L/min
x 0.2642 =
US gallons per minute
gpm
Force
Newton
N
x 0.2248 =
pound force
lbf
Length
millimeter
mm
x 0.0394 =
inch
in.
Length
meter
m
x 3.2808 =
foot
ft.
Power
kilowatt
kW
x 1.341 =
horsepower
hp
Pressure
kilopascal
kPa
x 0.145 =
pounds per square inch
psi
Pressure
megapascal
MPa
x 145.038 =
pounds per square inch
psi
Pressure
bar (Non-SI)
bar
x 14.5038 =
pounds per square inch
psi
Torque
Newton meter
Nm
x 0.7376 =
pound feet or
foot pounds
lbf·ft
Torque
Newton meter
Nm
x 8.8507 =
pound inches or
inch pounds
lbf·in
Temperature
degrees Celsius
°C
(°C x 1.8) + 32 =
degrees Fahrenheit
°F
Velocity
meters per minute
m/min
x 3.2808 =
feet per minute
ft/min
Velocity
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
Volume
liter
L
x 0.2642 =
US gallon
US gal
Volume
milliliter
mL
x 0.0338 =
ounce
oz.
Volume
cubic centimeter
cm
3
or cc
x 0.061 =
cubic inch
in.
3
Weight
kilogram
kg
x 2.2046 =
pound
lb.
Содержание D50
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Страница 295: ...topsoil moisture 83 types 80 weather and topography 83 WOT definition 19 INDEX ...
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