Kilojoules to Kilowatt-hours Converter
Convert kilojoules to kilowatt-hours instantly. One kilojoule equals 0.000277778 kilowatt-hours, so you can type any value in kJ and read the answer…
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Convert kilojoules to kilowatt-hours instantly. One kilojoule equals 0.000277778 kilowatt-hours, so you can type any value in kJ and read the answer in kWh. The page also shows a conversion table and the exact formula used.
Worked example
Example calculated from the starting values. Enter your own values and press Calculate to get your result.
1 kJ = 0.000277778 kWh
With the default inputs (value in kilojoules = 1 kJ), the results are: kilowatt-hours 0.000277778 kWh.
Kilojoules to kilowatt-hours conversion table
Reference table based on the example values; it is not your calculation result.
| kilojoules (kJ) | kilowatt-hours (kWh) |
|---|---|
| 1 | 0.000277778 |
| 2 | 0.000555556 |
| 5 | 0.00138889 |
| 10 | 0.00277778 |
| 25 | 0.00694444 |
| 50 | 0.0138889 |
| 100 | 0.0277778 |
| 500 | 0.138889 |
| 1,000 | 0.277778 |
Frequently asked questions
How many kilowatt-hours are in one kilojoule?
1 kilojoule = 0.000277778 kilowatt-hours.
What is the formula to convert kilojoules to kilowatt-hours?
Multiply the value in kilojoules by 0.000277778.
How do I convert kilowatt-hours back to kilojoules?
1 kilowatt-hour = 3,600 kilojoules.
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