How to convert kWh to joules
Multiply the value in kWh by 3,600,000.
Example: 25 kWh = 25 × 3,600,000 = 90,000,000 joules.
KWh to joules table
| kWh | joules |
|---|---|
| 0.01 | 36,000 |
| 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 |
What is a kilowatt-hour?
A kilowatt-hour is the "unit" on your electricity bill: 1,000 watts used for one hour.
What is a joule?
The joule (J) is a unit of energy, equal to 1 joule.
Frequently asked questions
How many joules are in 1 kilowatt-hour?
1 kilowatt-hour = 3,600,000 joules.
How do I convert kWh to joules?
Multiply the value in kWh by 3,600,000.
What is 25 kWh in J?
25 kWh = 90,000,000 joules.