The kilowatt hour (also kilowatt-hour, kW·h or kWh) is a unit of energy equal to 1000 watt hours or 3600 kilojoules. One kWh is equivalent to one kilowatt of constant power expended for one hour of time. This unit is often used as a billing unit for energy delivered to consumers by power generation companies.
Standard Units | |
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Joule | {{joule}} |
Gigajoule | {{gigajoule}} |
Megajoule | {{megajoule}} |
Kilojoule | {{kilojoule}} |
Millijoule | {{millijoule}} |
Microjoule | {{microjoule}} |
Nanojoule | {{nanojoule}} |
Attojoule | {{attojoule}} |
Megaelectron-volt | {{megaelectronvolt}} |
Kiloelectron-volt | {{kiloelectronvolt}} |
Electron-volt | {{electronvolt}} |
Erg | {{erg}} |
Other Units | |
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Gigawatt-hour | {{gigawatthour}} |
Megawatt-hour | {{megawatthour}} |
Kilowatt-second | {{kilowattsec}} |
Watt-hour | {{watthour}} |
Watt-second | {{wattsec}} |
Newton meter | {{newtonmeter}} |
Horsepower hour | {{horsepowerhour}} |
Horsepower (metric) hour | {{horsepowermetrichour}} |
Kilocalorie (IT) | {{kilocalorieit}} |
Kilocalorie (th) | {{kilocalorieth}} |
Calorie (IT) | {{calorieit}} |
Calorie (th) | {{calorieth}} |
Calorie (Nutritional) | {{calorie}} |
Btu (IT) | {{btuit}} |
Btu (th) | {{btuth}} |
Mega Btu (IT) | {{megabtuit}} |
Ton-hour (refrigeration) | {{tonhour}} |
Fuel oil equivalent | {{fueloilequivalent}} |
Gigaton | {{gigaton}} |
Megaton | {{megaton}} |
Kiloton | {{kiloton}} |
Ton | {{ton}} |
Dyne centimeter | {{dyne}} |
Gram-force meter | {{gramforcemeter}} |
Gram-force centimeter | {{gramforcecentimeter}} |
Kilogram-force centimeter | {{kilogramforcecentimeter}} |
Kilogram-force meter | {{kilogramforcemeter}} |
Kilopond meter | {{kilopondmeter}} |
Pound-force foot | {{poundforcefoot}} |
Pound-force inch | {{poundforceinch}} |
Ound-force inch | {{oundforceinch}} |
Foot-pound | {{footpound}} |
Inch-pound | {{inchpound}} |
Inch-ound | {{inchound}} |
Poundal foot | {{poundalfoot}} |
Therm | {{therm}} |
Therm (EC) | {{thermec}} |
Therm (US) | {{thermus}} |
Hartree energy | {{hartree}} |
Rydberg constant | {{rydberg}} |