Convert Joule to Kilowatt-hour
1 joule = 2.7777778e-7 kilowatt-hours (J to kWh).
Need to move between joules and kilowatt-hours? A joule is smaller than a kilowatt-hour — it takes 3,600,000 of them to make a single kilowatt-hour. One kilowatt-hour works out to 3,600,000 joules 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 J = 2.7777778e-7 kWh
How to convert Joules to Kilowatt-hours
Multiply the joule value by 2.77778e-7 to get kilowatt-hours.
Example: 10 joules = 0.00000277778 kilowatt-hours.
Joule to Kilowatt-hour Conversion Chart
| Joules | Kilowatt-hours |
|---|---|
| 1 J | 2.7777778e-7 kWh |
| 2 J | 5.5555556e-7 kWh |
| 3 J | 8.3333333e-7 kWh |
| 5 J | 0.0000013888889 kWh |
| 10 J | 0.0000027777778 kWh |
| 20 J | 0.0000055555556 kWh |
| 25 J | 0.0000069444444 kWh |
| 50 J | 0.000013888889 kWh |
| 100 J | 0.000027777778 kWh |
| 1000 J | 0.00027777778 kWh |
Frequently Asked Questions
- How many kilowatt-hours are in a joule?
- There are 2.7777778e-7 kilowatt-hours in 1 joule.
- How do you convert joules to kilowatt-hours?
- Multiply the joule value by 2.77778e-7 to get kilowatt-hours.
- What is 5 joules in kilowatt-hours?
- 5 joules equals 0.0000013888889 kilowatt-hours.
- What is 100 joules in kilowatt-hours?
- 100 joules equals 0.000027777778 kilowatt-hours.
- What is 1 kilowatt-hour in joules?
- 1 kilowatt-hour equals 3,600,000 joules.
- Is this joule to kilowatt-hour 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.