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Kilojoules to Kilowatt-hours
Convert kilojoules (kJ) to kilowatt-hours (kWh). Type a value below to see the result update instantly. Reference table and formula included.
Calculator
1 kJ = 0.000278 kWh
Kilojoules to Kilowatt-hours Conversion Table
Common values, ready to copy:
| kilojoules | kilowatt-hours |
|---|---|
| 1 kJ | 0.000278 kWh |
| 2 kJ | 0.000556 kWh |
| 5 kJ | 0.001389 kWh |
| 10 kJ | 0.002778 kWh |
| 25 kJ | 0.006944 kWh |
| 50 kJ | 0.013889 kWh |
| 100 kJ | 0.027778 kWh |
| 1,000 kJ | 0.277778 kWh |
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Formula
kilowatt-hours = kilojoules × 2.77777778e-4
Energy uses the SI joule. Food calories (kcal) are 1,000 small calories: 1 kcal = 4,184 J. 1 kWh = 3.6 MJ = 3,600,000 J. 1 BTU = 1,055.06 J.
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