Kilowatt-hour to Watt-hour
Convert kWh to Wh instantly — free, no sign-up.
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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.
About the Watt-hour (Wh)
The Watt-hour is the energy delivered by one watt of power sustained for one hour — commonly used to rate small battery capacities like phone power banks.
How to convert kWh to Wh
- Enter the value in kWh in the box above.
- The Wh equivalent updates instantly.
- Use the swap button to convert Wh back to kWh just as easily.