Conversion Tables
To convert inches to millimetres (mil) multiply by 25.4
To convert millimetres to inches multiply by 0.03937
To convert feet to metres (m) multiply by 0.3048
To convert metres to feet (ft) multiply by 3.2808
To convert yards to metres (m) multiply by 0.9144
To convert metres to yards (yd) multiply by 1.0936
To convert miles to kilometres (km) multiply by 1.6093
To convert kilometres to miles multiply 0.6214
To convert square inches to square millimetres (mm2) multiply by
645.16
To convert square millimetres to square inches (inch2) multiply by
0.00155
To convert square yards to square metres (m2) multiply by 0.8361
To convert square metres to square yards (yd2) multiply by 1.196
To convert cubic inches to cubic centimetres (cm3) multiply by
16.387
To convert cubic centimetres to cubic inches (inch3) multiply by
0.06102
To convert pounds to kilograms (kg) multiply 0.4536
To convert kilograms to pounds (lb) multiply by 2.2046
To convert gallons to litres multiply by 4.5461
To convert litres to gallons multiply by 0.220
To convert horse-power to kilowatts (kW) multiply by 0.7458
To convert kilowatts to horse-power (h.p.) multiply by 1.3408
1 W (watt) = 1 J (Joule) / S (Second)
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