Kilowatt-hours to Therms
Convert kilowatt-hours to therms instantly. 1 kWh = 0.0341214163 thm. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert kilowatt-hours to therms
To convert kilowatt-hours to therms, divide by 29.3071070172 (multiply by 0.0341214163). 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.
thm = kWh × 0.0341214163
Kilowatt-hours to Therms conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| Kilowatt-hours | Therms |
|---|---|
| 1 kWh | 0.034121 thm |
| 2 kWh | 0.068243 thm |
| 3 kWh | 0.102364 thm |
| 5 kWh | 0.170607 thm |
| 10 kWh | 0.341214 thm |
| 20 kWh | 0.682428 thm |
| 25 kWh | 0.853035 thm |
| 50 kWh | 1.706071 thm |
| 100 kWh | 3.412142 thm |
| 500 kWh | 17.060708 thm |
| 1,000 kWh | 34.121416 thm |
What is a kilowatt-hour?
The unit on every electricity bill: a thousand watts for one hour.
What is a therm?
100,000 BTU. The unit on US and UK gas bills.
The formula
thm = kWh × 0.0341214163
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 Kilowatt-hours to Therms
- Type the number of kilowatt-hours you want to convert.
- Read the result in therms 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 therms to kilowatt-hours page.
Kilowatt-hours to Therms — frequently asked questions
How many therms are in a kilowatt-hour?
One kilowatt-hour equals 0.0341214163 thm. thm = kWh × 0.0341214163
What is the formula to convert kilowatt-hours to therms?
The formula is thm = kWh × 0.0341214163. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert therms back to kilowatt-hours?
Divide instead of multiplying: one therm is 29.3071070172 kWh. 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 kilowatt-hours to therms 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
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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