Metric Conversion

Length

1 millimeter (mm) = 0.0397 in
1 centimeter (cm) = 10 mm = 0.3937 in
1 meter (m) = 100 cm = 1.0936 yd
1 kilometer (km) = 1,000 m = 0.6214 mile
1 inch (in) = 25.4 mm
1 foot (ft) = 12 in = 0.3048 m
1 yard (yd) = 3 ft = 0.9144 m
1 mile = 1, 760 yd = 1.6093 km

Area

1 square cm (cm²) = 100 mm2 = 0.1550 in²
1 square meter (m²) = 10,000 cm2 = 1.1960 yd²
1 hectare (ha) = 10,000 m2 = 2.4711 acres
1 square km (km²) = 100 ha = 0.3861 mile²
1 square inch (in²) = 645.16 mm²
1 square foot (ft²) = 0.093 m²
1 square yard (yd²) = 9 ft 2 = 0.8361 m²
1 acre = 4840 yd² = 4046.86 m²
1 square mile (mile²) = 640 acres = 2.59 km²

Measurements

1 Teaspoon = 5 ml
3 Teaspoons = 1 Tablespoon
16 Tablespoons = 1 U.S. cup
2 Quarts = 8 pints = 16 cups = 128 fluid ounces = 1 U.S. gallon

Temperature

Conversion °F to °C: Subtract 32, Divide by 1.8
Conversion °C to °F: Multiply by 1.8, Add 32

Volume/Capacity

1 cubic cm (cm ³) = 0.0610 in³
1 cubic decimeter (dm³) = 1,000 cm3 = 0.0353 ft³
1 cubic meter (m³) = 1,000 dm3 = 1.3080 yd³
1 liter (L) = 1 dm³ = 0.2642 US gal
1 liter = 0.2200 Imp gal
1 hectoliter (h) = 100 l = 2.8378 US bushel
1 cubic inch (in³) = 16.387 cm³
1 cubic foot (ft³) = 0.0283 m³
1 cubic yard (yd³) = 27 ft3 = 0.7646 m³
1 US dry pint = 0.5506 l
1 US bushel = 64 US dry pints = 35.239 L
1 US liquid pint = 0.4732 l
1 US gallon = 8 US liquid pints = 3.7854 L

Mass (Weight)

1 gram (g) = 1, 000 mg = 0.0353 oz
1 kilogram (kg) = 1,000 g = 2.2046 lb
1 tonne (t) = 1,000 kg = 1.1023 short tons
1 tonne = 0.9842 long ton
1 ounce (oz) = 437.5 grains = 28.350 g
1 pound (lb) = 16 oz = 0.4536 kg
1 short cwt = 100 lb = 45.359 kg
1 long cwt = 112 lb = 50.802 kg
1 short ton = 2,000 lb = 0.9072 t
1 long ton = 2.240 lb = 1.0161 t