Convert Kilowatt-hours to Kilojoules
One kilowatt-hour equals 3,600 kilojoules. Type any value to convert kilowatt-hours to kilojoules instantly — with a full reference table below.
Convert Kilowatt-hours to Kilojoules
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Conversion formula
To convert kilowatt-hours to kilojoules, multiply by 3,600. One kilowatt-hour equals 3,600 kJ, and one kilojoule equals 0.000278 kWh.
Kilowatt-hours to Kilojoules table
About converting Kilowatt-hours to Kilojoules
Kilowatt-hours (kWh) and Kilojoules (kJ) are both units of energy. The exact factor is 1 kWh = 3,600 kJ, so multiply by 3,600 to go from kilowatt-hours to kilojoules (or divide to go back).
The conversion is exact and runs entirely in your browser. Need the reverse? Use the Kilojoules to Kilowatt-hours converter, or the full unit converter for every unit at once.
Frequently asked questions
How many kilojoules are in one kilowatt-hour?
One kilowatt-hour equals 3,600 kilojoules.
How do I convert kilowatt-hours to kilojoules?
Multiply the number of kilowatt-hours by 3,600. For example, 10 kilowatt-hours = 36,000 kilojoules.
What is 5 kilowatt-hours in kilojoules?
5 kilowatt-hours is 18,000 kilojoules.