For 1990-2009 cars

English | Multiply/ Divide by | Metric
--- | --- | ---
In order to calculate English measurement, divide by the number in the center column. In order to calculate metric measurement, multiply by the number in the center column.
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
16.387 | cu cm
0.0164 | L
qt | 0.9464
gal | 3.7854
cu yd | 0.764 | cu m
Mass
lb | 0.4536 | kg
ton | 907.18
0.907 | tonne (t)
Force
kg F | 9.807 | newtons (N)
oz F | 0.2780
lb F | 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 | 0.745 | kW
Pressure (Stress)
inches of H2O | 0.2488 | kPa
inches of Mercury (Hg) | 3.377
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) 5/9 | = | °C
°F | = | (9/5 °C + 32)
Fuel Performance
235.215/mpg | = | 100 km/L

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