Marks Calc

BTU to kilowatt-hours

Convert btu to kilowatt-hour — instant, free, with the formula shown.

1 BTU=0.000293 kWh

How to convert btu to kilowatt-hour

To convert btu to kilowatt-hour, multiply by 0.00029307:

kWh = BTU × 0.00029307

For example, 10 BTU × 0.000293 = 0.002931 kWh.

BTU to kWh conversion table

BTU (BTU)kilowatt-hours (kWh)
1 BTU0.000293 kWh
2 BTU0.000586 kWh
5 BTU0.001465 kWh
10 BTU0.002931 kWh
25 BTU0.007327 kWh
50 BTU0.014654 kWh
100 BTU0.029307 kWh
250 BTU0.073268 kWh
500 BTU0.146536 kWh
1000 BTU0.293071 kWh
Reverse: Kilowatt-hour to BTU

Other btu conversions

Convert to kilowatt-hour from another unit

BTU to kWh — frequently asked

How many kilowatt-hours are in 1 btu?

1 btu = 0.000293 kilowatt-hours (BTU × 0.000293 = kWh).

What is the formula to convert btu to kilowatt-hour?

Multiply your btu value by 0.00029307 to get kilowatt-hour.

How do I convert 10 BTU to kilowatt-hours?

10 BTU = 0.002931 kWh. For 100 BTU the answer is 0.029307 kWh. Use the calculator on this page for any other value.

When to convert btu to kilowatt-hour

1Electricity bills (kWh)
2Nutrition labels (kcal / food cal)
3HVAC and heating (BTU, therms)
4Physics and chemistry (J, eV)

Energy conversion — common questions

Is a food calorie the same as a calorie?

No — a food 'Calorie' (capital C) actually means 1 kilocalorie = 1,000 small calories = 4,184 J. Nutrition labels typically write 'cal' meaning kcal.

How many joules in 1 kWh?

1 kWh = 3,600,000 J (3.6 MJ). Because 1 kW × 1 hour = 1,000 W × 3,600 s = 3,600,000 J.

What is a BTU?

British Thermal Unit — the energy required to raise 1 pound of water by 1 °F. 1 BTU ≈ 1,055 J.

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