Free instant kJ → kWh converter. No signup, no uploads — everything is calculated privately in your browser.
1 kJ = 0.000277778 kilowatt-hours
1 kilojoules = 0.000277778 kilowatt-hours
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1 kilojoule equals 0.000277778 kilowatt-hours. To convert kilojoules to kilowatt-hours, divide the value by 3600.
1 kilojoule = 0.000277778 kilowatt-hours. Formula: value ÷ 3600
Example: 1 kJ → 0.000277778 kWh. Type any value in the converter above to see it converted live.
| Kilojoules (kJ) | Kilowatt-hours (kWh) |
|---|---|
| 1 kJ | 0.000277778 kWh |
| 2 kJ | 0.000555556 kWh |
| 5 kJ | 0.00138889 kWh |
| 10 kJ | 0.00277778 kWh |
| 25 kJ | 0.00694444 kWh |
| 50 kJ | 0.0138889 kWh |
| 100 kJ | 0.0277778 kWh |
| 250 kJ | 0.0694444 kWh |
| 500 kJ | 0.138889 kWh |
| 1,000 kJ | 0.277778 kWh |
1 kilojoule = 0.000277778 kilowatt-hours. Formula: value ÷ 3600. Enter the value above and the result appears instantly — the calculation runs entirely in your browser.
Exactly: 1 kilojoule = 0.0002777777777777778 kilowatt-hours. The reverse factor is 1 kilowatt-hour = 3600 kilojoules.
1 kJ = 0.000277778 kWh; 10 kJ = 0.00277778 kWh; 100 kJ = 0.0277778 kWh. Use the full conversion table below for more reference values.
No — and the capital letter matters. A food Calorie (with a capital C) is a kilocalorie: 1,000 small calories. This converter treats them correctly: 1 kcal = 4.184 kJ = 1,000 cal. Energy labels on food almost always mean kilocalories, even where the label just says "calories".