Joule to Kilowatt-hour
Convert J to kWh instantly — free, no sign-up.
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About the Joule (J)
The Joule is the SI unit of energy, defined as the work done by one newton of force over one meter — a single joule is roughly the energy released dropping an apple one meter.
About the Kilowatt-hour (kWh)
The Kilowatt-hour is equal to 1,000 watt-hours, the standard unit electric utilities bill you in and the unit used for EV battery capacity and home solar production.
How to convert J to kWh
- Enter the value in J in the box above.
- The kWh equivalent updates instantly.
- Use the swap button to convert kWh back to J just as easily.