Unit Conversions

U.S. customary units

Length

1 ft = 12 in 1 yd = 3 ft 1 mi = 5, 280 ft = 1, 760 yd

Weight

1 lb = 16 oz 1 ton = 2, 000 lb

Capacity

1 cup = 8 fl oz 1 pt = 2 cups 1 qt = 2 pt 1 gal = 4 qt

Gallon in other units

1 gal = 16 cups = 128 fl oz

Length

1 km = 1, 000 m 1 m = 100 cm = 1, 000 mm

Mass

1 kg = 1, 000 g 1 g = 1, 000 mg

Volume

1 L = 1, 000 mL 1 mL = 1 {cm}^{3}

Inch

1 in = 2.54 cm

exact

Kilogram

1 kg \approx 2.205 lb

Mile

1 mi \approx 1.609 km

Gallon

1 gal \approx 3.785 L

Celsius to Fahrenheit

F = \frac{9}{5} C + 32

Fahrenheit to Celsius

C = \frac{5}{9} (F - 32)

Celsius to Kelvin

K = C + 273.15

Density

D = \frac{m}{V}

m mass, V volume

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