Online Calculators FreeReference Manual

BTU/hour to Kilowatts Converter

Convert btu/hour to kilowatts instantly. Exact factor: 1 BTUh = 0.0002931 kW.

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Convert btu/hour to kilowatts

The exact conversion factor is 1 BTUh = 0.0002931 kW. Type any value and the result updates instantly; the math is shown beneath the board.

Worked by hand

Multiply the btu/hour value by 3,412.1 (that is, 1 ÷ 0.0002931) to get kilowatts.

Worked example

  1. Take 1 BTUh
  2. multiply by 3,412.1
  3. the result is 0.0002931 kW

How to use it

  1. Enter your btu/hour
  2. Read the kilowatts result
  3. Check the factor line to verify by hand

Frequently asked questions

How many kilowatts are in one btu/hour?

Exactly 0.0002931 kW, by the SI/NIST definition.

How do I convert kilowatts back to btu/hour?

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.