Kilowatt-hour
Unit of energy, often used for electrical billing / From Wikipedia, the free encyclopedia
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A kilowatt-hour (unit symbol: kW⋅h or kW h; commonly written as kWh) is a non-SI unit of energy equal to 3.6 megajoules (MJ) in SI units which is the energy delivered by one kilowatt of power for one hour. Kilowatt-hours are a common billing unit for electrical energy supplied by electric utilities. Metric prefixes are used for multiples and submultiples of the basic unit, the watt-hour (3.6 kJ).
"KWH" redirects here. For other uses, see KWH (disambiguation).
Quick Facts General information, Unit system ...
kilowatt-hour | |
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General information | |
Unit system | Non-SI metric |
Unit of | Energy |
Symbol | kW⋅h, kW h |
Conversions | |
1 kW⋅h in ... | ... is equal to ... |
SI units | 3.6 MJ |
CGS units | 3.6×1013 erg |
English Engineering units | ≈ 2,655,224 ft⋅lbf |
British Gravitational units | ≈ 85,429,300 ft⋅pdl |
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