British Thermal Unit to Kilowatt-hour
Convert BTU to kWh instantly — free, no sign-up.
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About the British Thermal Unit (BTU)
The British Thermal Unit is the energy needed to raise 1 pound of water by 1°F — still the standard unit for rating air conditioner and furnace capacity in the US.
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 BTU to kWh
- Enter the value in BTU in the box above.
- The kWh equivalent updates instantly.
- Use the swap button to convert kWh back to BTU just as easily.