Kilowatt-hour to British Thermal Unit
Convert kWh to BTU 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 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.
How to convert kWh to BTU
- Enter the value in kWh in the box above.
- The BTU equivalent updates instantly.
- Use the swap button to convert BTU back to kWh just as easily.