Length
1 in = 2.54 cm = 0.0254 m
1 ft = 30.48 cm = 0.3048 m
1 yard = 91.44 cm = 0.9144 m
1 mile = 1.6093 Km = 1609.3 m
Area
1 in2 = 6.4516 cm2
1 ft2 = 0.0929 m2
1 acre = 0.4047 hectares = 4047 m2
Volume
1 in3 = 16.387 cm3
1 ft3 = 0.0283 m3
1 us f.oz = 29.574 ml
1 imp f.oz = 28.41 ml
1 us gal = 3.7854 l
1 imp gal = 4.546 l
Weight
1 OZ = 28.35 g
1 lb = 0.4536 kg = 453.6 g
1 imp ton = 1016 kg
Temperature
°F = °C*1.8 + 32
°C = (°F - 32) / 1.8
°R = °F + 459.67
°K = °C + 273.15
Force
1 Kilopond (kp) = 9.80665 N
Pressure
1 bar = 10^5 Pa (Pascals)
1 at = 98066.5 Pa
1 atm = 101325 Pa
1 Torr = 133.3224 Pa
Energy
1 cal = 4.1868 J
1 eV = 1.602176 53x10^-19 J
Power
1 HP = 735.49875 W
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Conversions
