Convert Kilowatt-hour to Joule
1 kilowatt-hour = 3,600,000 joules (kWh to J).
Need to move between kilowatt-hours and joules? A kilowatt-hour is larger than a joule — one kilowatt-hour contains 3,600,000 joules. One joule works out to 2.77778e-7 kilowatt-hours in the other direction. The converter above does this in real time, and the reference chart lists the values that come up most often.
1 kWh = 3,600,000 J
How to convert Kilowatt-hours to Joules
Multiply the kilowatt-hour value by 3,600,000 to get joules.
Example: 10 kilowatt-hours = 36,000,000 joules.
Kilowatt-hour to Joule Conversion Chart
| Kilowatt-hours | Joules |
|---|---|
| 1 kWh | 3,600,000 J |
| 2 kWh | 7,200,000 J |
| 3 kWh | 10,800,000 J |
| 5 kWh | 18,000,000 J |
| 10 kWh | 36,000,000 J |
| 20 kWh | 72,000,000 J |
| 25 kWh | 90,000,000 J |
| 50 kWh | 180,000,000 J |
| 100 kWh | 360,000,000 J |
| 1000 kWh | 3,600,000,000 J |
Frequently Asked Questions
- How many joules are in a kilowatt-hour?
- There are 3,600,000 joules in 1 kilowatt-hour.
- How do you convert kilowatt-hours to joules?
- Multiply the kilowatt-hour value by 3,600,000 to get joules.
- What is 5 kilowatt-hours in joules?
- 5 kilowatt-hours equals 18,000,000 joules.
- What is 100 kilowatt-hours in joules?
- 100 kilowatt-hours equals 360,000,000 joules.
- What is 1 joule in kilowatt-hours?
- 1 joule equals 2.7777778e-7 kilowatt-hours.
- Is this kilowatt-hour to joule converter free?
- Yes. The converter is free, needs no sign-up, and runs entirely in your browser — the values you enter never leave your device.