3 Speed of light = 3.238e+9 Kilometer per Hour

Luminosity

68 Nit

68 Candela per square meter

nt → cd/m²

Sound

87 Decibel

8.7 Bel

dB → B

Pressure

97 Torr

12,932.23 Pascal

Torr → Pa

Weight

41 Grain

2,656.76 Milligram

gr → mg

Magnetic field

66 Oersted

5,252.12 Ampere per meter

Oe → A/m

Fuel consumption

10 Meter per liter

0.00425143 Mile per gallon us

m/L → mpg(US)