Kilowatt-hours to Joules
Convert kWh to J. 1 kilowatt-hour = 3,600,000 J, and 1 joule = 0.000000277778 kWh.
Formula Multiply the value in kilowatt-hours by 3,600,000. Kilowatt-hours to Joules table
1 kilowatt-hour in every unit
| Joules | 3,600,000 | J |
|---|---|---|
| Kilojoules | 3,600 | kJ |
| Megajoules | 3.6 | MJ |
| Calories | 860,420.650096 | cal |
| Kilocalories | 860.420650096 | kcal |
| Watt-hours | 1,000 | Wh |
| British thermal units | 3,412.14163313 | BTU |
| Foot-pounds | 2,655,223.7374 | ft·lbf |
| Electronvolts | 2.246943e+25 | eV |
Food labels write kilocalories (kcal) as "Calories". Calories here are thermochemical: 1 cal = 4.184 J.
How to convert kilowatt-hours to joules
Multiply the value in kilowatt-hours by 3,600,000.
For example, 10 kWh = 36,000,000 J, and 10 J = 0.000002777778 kWh.
Frequently asked questions
How many joules are in one kilowatt-hour?
1 kilowatt-hour = 3,600,000 J.
What is 10 kWh in J?
10 kWh = 36,000,000 J.
How do I convert J back to kWh?
Divide the value in joules by 3,600,000. 1 joule = 0.000000277778 kWh.
Kilowatt-hours to Joules table
| Kilowatt-hours (kWh) | Joules (J) |
|---|---|
| 0.1 | 360,000 |
| 0.5 | 1,800,000 |
| 1 | 3,600,000 |
| 2 | 7,200,000 |
| 3 | 10,800,000 |
| 4 | 14,400,000 |
| 5 | 18,000,000 |
| 6 | 21,600,000 |
| 7 | 25,200,000 |
| 8 | 28,800,000 |
| 9 | 32,400,000 |
| 10 | 36,000,000 |
| 15 | 54,000,000 |
| 20 | 72,000,000 |
| 25 | 90,000,000 |
| 30 | 108,000,000 |
| 50 | 180,000,000 |
| 75 | 270,000,000 |
| 100 | 360,000,000 |
| 250 | 900,000,000 |
| 500 | 1,800,000,000 |
| 1,000 | 3,600,000,000 |
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