1 in (inch) = 25,4 mm
1 ft (foot) = 0,305 m
1 yd (yard) = 3 ft = 0,914 m
1 mile = 1,609 km

VOLUME

1 cu in (cubic inch) = 16,387 cm3
1 pt (pint GB) = 0,568 l
1 qt (quart GB) = 1,173 l
1 liq qt (US quart) = 0,946 l
1 gal (imperial gallon) (GB) = 4,546 l
1 US gal (US gallon) = 3,785 l

MASSE (WEIGHT)

1 oz (ounce) = 28,35 g
1 lb (pound) = 16 oz = 0,454 kg
1 cwt (quaterweight) = 112 lb = 50,802 kg
1 ton (long ton GB) = 1016 kg
1 ton (short ton US) = 907,20 kg

PRESSION (PRESSURE)

1 hp (horse power) = 1,014 ch = 746 W
1ch (DIN) = 1,36 ch (SAE) = 0,736 kW

VITESSE (VELOCITY)

1 mph (mile per hour = 1,609 km/h)

COUPLE (TORQUE)

1 lb/ft (pound-force per feet) = 0,138 kg/m = 1,356 Nm

CONSOMMATION (FUEL CONSUMPTION)

mpg (mile per gallon, GB) x 0,354 = km/l
US mpg (mile per gallon, US) x 0,425 = km/l
1 : (.) mpg (mile per gallon, GB) x 282 = (.)l/100 km
1: (.) US mpg (mile per gallon, US) x 235 = (.)l/100 km

TEMPERATURE

[(.) °F - 32] x 0,555 = (.) °C