GM Service Manual Online
For 1990-2009 cars only

In order to convert English units to metric units, multiply the English units by the conversion factor shown in the conversion table.

In order to convert metric units to English units, divide the metric units by the conversion factor shown in the conversion table.

English

Multiply/ Divide by

Metric

LENGTH

in

25.4

mm

ft

0.3048

m

yd

0.9144

mi

1.609

km

AREA

sq in

645.2

sq mm

6.45

sq cm

sq ft

0.0929

sq m

sq yd

0.8361

VOLUME

cu in

16,387.0

cu mm

16.397

cu cm

0.0164

L

qt

0.9464

gal

3.7854

cu yd

0.7646

cu m

MASS

lb

0.4536

kg

ton

907.18

0.907

tonne (t)

FORCE

kg

9.807

newtons (N)

oz

0.2780

lb

4.448

ACCELERATION

ft/s²

0.3048

m/s²

in/s²

0.0254

TORQUE

lb in

0.11298

N·m

lb ft

1.3558

POWER

hp

0.746

kW

PRESSURE (STRESS)

inches of Mercury

3.377

kPa

inches of H2O

0.2491

kPa

lb/sq in

6.895

LIGHT

Foot Candle

10.764

lm/m²

VELOCITY

mph

1.6093

km/h

TEMPERATURE

°F

5/9(°F-32)

°C

°C

9/5(°C+32)

°F

FUEL PERFORMANCE

mpg

2.3527

L/km

English

Multiply/ Divide by

Metric

Length

in

25.4

mm

ft

0.3048

m

yd

0.9144

mi

1.609

km

Area

sq in

645.2

sq mm

6.45

sq cm

sq ft

0.0929

sq m

sq yd

0.8361

Volume

cu in

16,387.0

cu mm

16.397

cu cm

0.0164

L

qt

0.9464

gal

3.7854

cu yd

0.746

cu m

Mass

lb

0.4536

kg

ton

907.18

0.907

tonne (t)

Force

kg

9.807

newtons (N)

oz

0.2780

lb

4.448

Acceleration

ft/s²

0.3048

m/s²

in/s²

0.0254

Torque

lb in

0.11296

N·m

lb ft

1.3558

Power

hp

0.745

kW

Pressure (Stress)

inches of H2O

0.2491

kPa

lb/sq in

6.895

Energy (Work)

Btu

1055.0

J (J= one Ws)

lb ft

1.3558

kW hour

3,600,000.0

Light

Foot Candle

10.764

lm/m²

Velocity

mph

1.6093

km/h

Temperature

(°F-32) / 1.8

=

°C

°F

=

(°C X 1.8) + 32

Fuel Performance

235.215/mpg

=

L/100 km