How to convert joules to kWh
Divide the value in joules by 3,600,000 (the same as multiplying by 2.777778e-7).
Example: 25 joules = 25 × 2.777778e-7 = 0.0000069444444 kWh.
Joules to kWh table
| joules | kWh |
|---|---|
| 0.01 | 2.777778e-9 |
| 0.1 | 2.777778e-8 |
| 0.5 | 1.388889e-7 |
| 1 | 2.777778e-7 |
| 2 | 5.555556e-7 |
| 3 | 8.333333e-7 |
| 4 | 0.0000011111111 |
| 5 | 0.0000013888889 |
| 6 | 0.0000016666667 |
| 7 | 0.0000019444444 |
| 8 | 0.0000022222222 |
| 9 | 0.0000025 |
| 10 | 0.0000027777778 |
| 15 | 0.0000041666667 |
| 20 | 0.0000055555556 |
| 25 | 0.0000069444444 |
| 30 | 0.0000083333333 |
| 50 | 0.000013888889 |
| 75 | 0.000020833333 |
| 100 | 0.000027777778 |
| 250 | 0.000069444444 |
| 500 | 0.00013888889 |
| 1,000 | 0.00027777778 |
What is a joule?
The joule (J) is a unit of energy, equal to 1 joule.
What is a kilowatt-hour?
A kilowatt-hour is the "unit" on your electricity bill: 1,000 watts used for one hour.
Frequently asked questions
How many kWh are in 1 joule?
1 joule = 2.777778e-7 kWh.
How do I convert joules to kWh?
Divide the value in joules by 3,600,000 (the same as multiplying by 2.777778e-7).
What is 25 J in kWh?
25 joules = 0.0000069444444 kWh.