US English/Metric Conversion

2008 Pontiac Grand Prix BaseSECTION US English/Metric Conversion
WARNING: This page is about a different car, the 2007 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
US English/Metric Conversion

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
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
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.