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kilojoules to kilowatt-hours converter

Convert Kilojoule (kJ) to Kilowatt-hour (kWh) for school, work, travel or projects. Enter any finite value, reverse the units, copy the result and keep the calculation on your device.

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Result

Formula

1 kJ = 0.00027778 kWh

The converter uses the defined base unit for Energy; temperature pairs use an offset formula. Values are rounded only for display.

Worked example

For example, 5 kJ = 0.00138889 kWh. Try another value above to calculate it locally.

Common values

kilowatt-hours to kilojoules converter →

How to use the kilojoules to kilowatt-hours

  1. 1 Enter a value in Kilojoule (kJ).
  2. 2 Check the Kilojoule (kJ) to Kilowatt-hour (kWh) formula and common values table.
  3. 3 Copy the result or swap the units for the reverse conversion.

Frequently asked questions

What does the kilojoules to kilowatt-hours converter calculate?

Kilojoule (kJ) values are converted to Kilowatt-hour (kWh) using the selected unit definition. Temperature uses its offset formula rather than a simple multiplication.

Does this converter upload my value?

No. The calculation runs locally in your browser, and the value is not sent to a server.

Can I convert the result back?

Yes. Use the reverse conversion link or swap the units in the converter.