Kilowatt-hours to Kilojoules Converter

Convert kilowatt-hours to kilojoules instantly. One kilowatt-hour equals 3,600 kilojoules, so you can type any value in kWh and read the answer in…

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Convert kilowatt-hours to kilojoules instantly. One kilowatt-hour equals 3,600 kilojoules, so you can type any value in kWh and read the answer in kJ. The page also shows a conversion table and the exact formula used.

Enter your values

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Worked example

Example calculated from the starting values. Enter your own values and press Calculate to get your result.

Kilojoules3,600 kJ

1 kWh = 3,600 kJ

With the default inputs (value in kilowatt-hours = 1 kWh), the results are: kilojoules 3,600 kJ.

Kilowatt-hours to kilojoules conversion table

Reference table based on the example values; it is not your calculation result.

kilowatt-hours (kWh)kilojoules (kJ)
13,600
27,200
518,000
1036,000
2590,000
50180,000
100360,000
5001,800,000
1,0003,600,000

Frequently asked questions

How many kilojoules are in one kilowatt-hour?

1 kilowatt-hour = 3,600 kilojoules.

What is the formula to convert kilowatt-hours to kilojoules?

Multiply the value in kilowatt-hours by 3,600.

How do I convert kilojoules back to kilowatt-hours?

1 kilojoule = 0.000277778 kilowatt-hours.

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