Convert Kilojoules to Kilowatt-hours
One kilojoule equals 0.000278 kilowatt-hours. Type any value to convert kilojoules to kilowatt-hours instantly — with a full reference table below.
Convert Kilojoules to Kilowatt-hours
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Conversion formula
To convert kilojoules to kilowatt-hours, multiply by 0.000278. One kilojoule equals 0.000278 kWh, and one kilowatt-hour equals 3,600 kJ.
Kilojoules to Kilowatt-hours table
About converting Kilojoules to Kilowatt-hours
Kilojoules (kJ) and Kilowatt-hours (kWh) are both units of energy. The exact factor is 1 kJ = 0.000278 kWh, so multiply by 0.000278 to go from kilojoules to kilowatt-hours (or divide to go back).
The conversion is exact and runs entirely in your browser. Need the reverse? Use the Kilowatt-hours to Kilojoules converter, or the full unit converter for every unit at once.
Frequently asked questions
How many kilowatt-hours are in one kilojoule?
One kilojoule equals 0.000278 kilowatt-hours.
How do I convert kilojoules to kilowatt-hours?
Multiply the number of kilojoules by 0.000278. For example, 10 kilojoules = 0.002778 kilowatt-hours.
What is 5 kilojoules in kilowatt-hours?
5 kilojoules is 0.001389 kilowatt-hours.