Convert Joule to Kilowatt-hour
1 joule equals 2.7777778e-7 kilowatt-hours. Enter a value below to convert instantly.
Formula
Multiply the number of joules by 2.7777777777777776e-7 to get kilowatt-hours.
Step by step
- Start with 1 J.
- Multiply by the conversion factor 2.7777777777777776e-7.
- 1 × 2.7777777777777776e-7 = 2.7777778e-7 kWh.
Joule to Kilowatt-hour conversion table
| Joules (J) | Kilowatt-hours (kWh) |
|---|---|
| 1 | 2.7777778e-7 |
| 2 | 5.5555556e-7 |
| 5 | 0.0000013888889 |
| 10 | 0.0000027777778 |
| 20 | 0.0000055555556 |
| 50 | 0.000013888889 |
| 100 | 0.000027777778 |
| 500 | 0.00013888889 |
| 1,000 | 0.00027777778 |
About the joule
The joule (J) is a SI unit of energy.
About the kilowatt-hour
The kilowatt-hour (kWh) is a Metric unit of energy.
Where this conversion is used
Converting joules to kilowatt-hours comes up when nutrition labels, electricity bills, heating, and physics.
Need the other direction? Convert kilowatt-hour to joule →
Related conversions
Frequently asked questions
How many kilowatt-hours are in a joule?
One joule equals 2.7777778e-7 kilowatt-hours.
How do you convert joules to kilowatt-hours?
Multiply the number of joules by 2.7777777777777776e-7 to get kilowatt-hours.
What is 1 kilowatt-hour in joules?
One kilowatt-hour equals 3,600,000 joules.
When would I convert joules to kilowatt-hours?
This conversion is common when nutrition labels, electricity bills, heating, and physics.
Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.