BTU to Kilowatt-hours Converter
Type a value in btu to get it in kilowatt-hours, and see the reverse conversion.
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BTU to Kilowatt-hours Converter by TheCalcTools
How the BTU to Kilowatt-hours Converter works
The International Table BTU is defined as exactly 1,055.05585262 joules. Heating fuel and gas are often priced per therm (100,000 BTU) or per million BTU.
To convert btu to kilowatt-hours, multiply by 0.0002930710702. The calculator shows the result to 6 significant figures; the conversion factor itself is exact by definition.
Quick estimate in your head: divide by 3,412.
The formula
Worked example
Using the default values shown in the calculator:
| Value in btu (BTU) | 100000 |
|---|
- 100,000 BTU × 0.0002930710702 = 29.3071 kWh.
Result:
| Kilowatt-hours (kWh) | 29.3071 |
|---|---|
| 1 BTU in kWh | 0.000293071 |
| Your number read as kWh, in BTU | 341214000 |
| Kilojoules (kJ) | 105506 |
| Therms (thm) | 1 |
Conversion table
| BTU | kWh |
|---|---|
| 1,000 BTU | 0.293071 kWh |
| 3,412 BTU | 0.999958 kWh |
| 5,000 BTU | 1.46536 kWh |
| 10,000 BTU | 2.93071 kWh |
| 20,000 BTU | 5.86142 kWh |
| 50,000 BTU | 14.6536 kWh |
| 100,000 BTU | 29.3071 kWh |
| 1,000,000 BTU | 293.071 kWh |
Frequently asked questions
What is 1 btu in kilowatt-hours?
1 btu (BTU) equals 0.000293071 kWh.
How many BTU in a kWh?
About 3,412.14 BTU.
Sources and further reading
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This calculator gives estimates for information only. Check important results independently before you rely on them. See our disclaimer.