Kilowatt Hour to Joule (kWh to J)
Convert kWh to J — Energy converter
One kilowatt hour equals 3600000 J, so to convert kilowatt-hours to joules you multiply the value by 3600000. A kilowatt hour is larger than a joule — going the other way, 1 J = 2.777778e-7 kWh. For example, 10 kWh = 36000000 J and 50 kWh = 180000000 J.
3600000Click to copy
1 kWh = 3600000 J
Kilowatt Hour to Joule formula
1 Kilowatt Hour = 3600000 J
Worked examples
- 25 kWh = 90000000 J
- 100 kWh = 360000000 J
Kilowatt Hour to Joule conversion table
| Kilowatt Hour (kWh) | Joule (J) |
|---|---|
| 1 | 3600000 |
| 2 | 7200000 |
| 3 | 10800000 |
| 5 | 18000000 |
| 8 | 28800000 |
| 10 | 36000000 |
| 12 | 43200000 |
| 15 | 54000000 |
| 20 | 72000000 |
| 25 | 90000000 |
| 50 | 180000000 |
| 100 | 360000000 |
| 250 | 900000000 |
| 500 | 1800000000 |
| 1000 | 3600000000 |
Frequently asked questions
How many joules are in one kilowatt hour?
One kilowatt hour equals 3600000 joules (J).
How many kilowatt-hours are in one joule?
One joule equals 2.777778e-7 kilowatt-hours (kWh).
How do you convert kilowatt-hours to joules?
1 Kilowatt Hour = 3600000 J. Use the calculator above for any value.
What is 5 kWh in J?
5 kWh = 18000000 J.
What is 100 kWh in J?
100 kWh = 360000000 J.
What is 10 kWh in J?
10 kWh = 36000000 J.
What is 20 kWh in J?
20 kWh = 72000000 J.
Is a kilowatt hour bigger than a joule?
Yes. A kilowatt hour is larger — one kilowatt hour equals 3600000 joules (J).