Service Manual
ISB, ISBe and QSB (Common Rail [...] Weights and Measures - Conversion Factors
Section V - Specifications Page V-113
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Weights and Measures - Conversion Factors
Conversion Chart
Quantity U.S. Customary Metric
From U.S.
Customary
To Metric
Multiply By
From Metric
To U.S.
Customary
Multiply By
Unit Name Abbreviation Unit Name Abbreviation
Area
sq. inch
in
2
sq. millimeters
mm
2
645.16 0.001550
sq. centimeters
cm
2
6.452 0.155
sq. foot
ft
2
sq. meter
m
2
0.0929 10.764
Fuel
Consumption
pounds per
horsepower hour
lb/hp-hr grams per kilowatt
hour
g/kW-hr 608.277 0.001645
Fuel
Performance
miles per gallon mpg kilometers per liter km/l 0.4251 2.352
gallons per mile gpm liters per kilometer l/km 2.352 0.4251
Force pounds force lbf Newton N 4.4482 0.224809
Length
inch in millimeters mm 25.40 0.039370
foot ft millimeters mm 304.801 0.00328
Power horsepower hp kilowatt kW 0.746 1.341
Pressure
pounds force per
sq. inch
psi kilopascal kPa 6.8948 0.145037
inches of mercury in Hg kilopascal kPa 3.3769 0.29613
inches of water in H
2
O kilopascal kPa 0.2488 4.019299
inches of mercury in Hg millimeters of
mercury
mm Hg 25.40 0.039370
inches of water in H
2
O millimeters of
water
mm H
2
O 25.40 0.039370
bars bars kilopascals kPa 100.001 0.00999
bars bars millimeters of
mercury
mm Hg 750.06 0.001333
Temperature fahrenheit °F centigrade °C (°F-32) ÷1.8 (1.8 x °C) +32
Torque
pound force per
foot
ft-lb Newton-meter N•m 1.35582 0.737562
pound force per
inch
in-lb Newton-meter N•m 0.113 8.850756
Velocity miles/hour mph kilometers/hour kph 1.6093 0.6214
Volume:
liquid
displacement
gallon (U.S.) gal. liter l 3.7853 0.264179
gallon (Imp*) gal. liter l 4.546 0.219976
cubic inch
in
3
liter l 0.01639 61.02545
cubic inch
in
3
cubic centimeter
cm
3
16.387 0.06102
Weight (mass) pounds (avoir.) lb kilograms kg 0.4536 2.204623
Work
British Thermal
Unit
BTU joules J 1054.5 0.000948
British Thermal
Unit
BTU kilowatt-hour kW-hr 0.000293 3414
horsepower hours hp-hr kilowatt-hour kW-hr 0.746 1.341