⚡ J to kWh — Joule to Kilowatt-hour Converter
Convert energy units — joules, calories, kilowatt-hours, BTU, kilojoules.
All Joule conversions
| Unit | Name | Value |
|---|---|---|
| kJ | Kilojoule | 0.001 |
| cal | Calorie | 0.23900574 |
| kcal | Kilocalorie (Cal) | 0.00023900574 |
| kWh | Kilowatt-hour | 2.7777778e-7 |
| BTU | BTU | 0.00094781339 |
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About Joule to Kilowatt-hour Conversion
The Joule (J) and the Kilowatt-hour (kWh) are both units of energy. Converting between them is straightforward using the formula above.
Formula: 1 J = 2.7777778e-7 kWh
This converter uses internationally recognized conversion factors. All calculations are performed client-side in your browser — no data is sent to any server.
Frequently Asked Questions
How do I convert Joule to Kilowatt-hour?
Use the converter above — enter your value in Joule and the result appears instantly in Kilowatt-hour. The formula is: 1 J = 2.7777778e-7 kWh
How many Kilowatt-hour are in 100 Joule?
100 J = 0.000027777778 kWh
What is 1 Joule in Kilowatt-hour?
1 J = 2.7777778e-7 kWh
Is this Joule to Kilowatt-hour converter free?
Yes — Unitafy is completely free, requires no signup, and works instantly in your browser.