Free instant kWh → kJ converter. No signup, no uploads — everything is calculated privately in your browser.
1 kWh = 3,600 kilojoules
1 kilowatt-hours = 3,600 kilojoules
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1 kilowatt-hour equals 3,600 kilojoules. To convert kilowatt-hours to kilojoules, multiply the value by 3600.
1 kilowatt-hour = 3,600 kilojoules. Formula: value × 3600
Example: 1 kWh → 3,600 kJ. Type any value in the converter above to see it converted live.
| Kilowatt-hours (kWh) | Kilojoules (kJ) |
|---|---|
| 1 kWh | 3,600 kJ |
| 2 kWh | 7,200 kJ |
| 5 kWh | 18,000 kJ |
| 10 kWh | 36,000 kJ |
| 25 kWh | 90,000 kJ |
| 50 kWh | 180,000 kJ |
| 100 kWh | 360,000 kJ |
| 250 kWh | 900,000 kJ |
| 500 kWh | 1,800,000 kJ |
| 1,000 kWh | 3,600,000 kJ |
1 kilowatt-hour = 3,600 kilojoules. Formula: value × 3600. Enter the value above and the result appears instantly — the calculation runs entirely in your browser.
Exactly: 1 kilowatt-hour = 3600 kilojoules. The reverse factor is 1 kilojoule = 0.0002777777777777778 kilowatt-hours.
1 kWh = 3,600 kJ; 10 kWh = 36,000 kJ; 100 kWh = 360,000 kJ. 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".