BTU to Kilowatt-hours Converter
Convert btu to kilowatt-hours instantly. Exact factor: 1 BTU = 0.0002931 kWh.
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Convert btu to kilowatt-hours
The exact conversion factor is 1 BTU = 0.0002931 kWh. Type any value and the result updates instantly; the math is shown beneath the board.
Worked by hand
Multiply the btu value by 3,412.1 (that is, 1 ÷ 0.0002931) to get kilowatt-hours.
Worked example
- Take 1 BTU
- multiply by 3,412.1
- the result is 0.0002931 kWh
How to use it
- Enter your btu
- Read the kilowatt-hours result
- Check the factor line to verify by hand
Frequently asked questions
How many kilowatt-hours are in one btu?
Exactly 0.0002931 kWh, by the SI/NIST definition.
How do I convert kilowatt-hours back to btu?
Divide by 0.0002931 — or use the full converter where both directions are one click.
Is this rounding or exact?
The factor is exact; only the displayed decimals are rounded.