BTU to Kilowatt-hours
Convert btu to kilowatt-hours instantly. 1 BTU = 0.0002930711 kWh. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert btu to kilowatt-hours
To convert btu to kilowatt-hours, divide by 3412.1416331279 (multiply by 0.0002930711). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
kWh = BTU × 0.0002930711
BTU to Kilowatt-hours conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| BTU | Kilowatt-hours |
|---|---|
| 1 BTU | 0.0002931 kWh |
| 2 BTU | 0.0005861 kWh |
| 3 BTU | 0.0008792 kWh |
| 5 BTU | 0.001465 kWh |
| 10 BTU | 0.002931 kWh |
| 20 BTU | 0.005861 kWh |
| 25 BTU | 0.007327 kWh |
| 50 BTU | 0.014654 kWh |
| 100 BTU | 0.029307 kWh |
| 500 BTU | 0.146536 kWh |
| 1,000 BTU | 0.293071 kWh |
What is a btu?
British thermal unit, used for heating and air-conditioning capacity.
What is a kilowatt-hour?
The unit on every electricity bill: a thousand watts for one hour.
The formula
kWh = BTU × 0.0002930711
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the BTU to Kilowatt-hours
- Type the number of btu you want to convert.
- Read the result in kilowatt-hours straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked kilowatt-hours to btu page.
BTU to Kilowatt-hours — frequently asked questions
How many kilowatt-hours are in a btu?
One btu equals 0.0002930711 kWh. kWh = BTU × 0.0002930711
What is the formula to convert btu to kilowatt-hours?
The formula is kWh = BTU × 0.0002930711. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert kilowatt-hours back to btu?
Divide instead of multiplying: one kilowatt-hour is 3412.1416331279 BTU. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this btu to kilowatt-hours free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
This page answers each of these searches. They are the exact phrases visitors use to find the btu to kilowatt-hours.
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error