Convert kWh to BTU
kilowatt hours to British thermal units. Enter a value to convert, or use the kWh to BTU chart further down the page.
1 kilowatt hour equals 3,412.14 British thermal units. Going the other way, 1 British thermal unit = 0.000293071 kilowatt hours.
How to convert kWh to BTU
To convert kilowatt hours to British thermal units, multiply the kilowatt hour value by 3412.141633. You can also divide by 0.0002930710702 to get the same answer.
BTU = kWh × 3412.141633
Worked example
Convert 15 kWh to British thermal units:
15 kWh = 51,182.1 BTU
kWh to BTU conversion chart
Use this kWh to BTU table for quick reference without typing anything.
| kilowatt hours (kWh) | British thermal units (BTU) |
|---|---|
| 0.01 kWh | 34.1214 BTU |
| 0.1 kWh | 341.214 BTU |
| 1 kWh | 3,412.14 BTU |
| 2 kWh | 6,824.28 BTU |
| 3 kWh | 10,236.4 BTU |
| 5 kWh | 17,060.7 BTU |
| 10 kWh | 34,121.4 BTU |
| 20 kWh | 68,242.8 BTU |
| 50 kWh | 170,607 BTU |
| 100 kWh | 341,214 BTU |
| 1,000 kWh | 3,412,140 BTU |
What is a kilowatt hour?
A kilowatt hour is the energy used by a 1,000-watt device running for one hour: exactly 3.6 megajoules. It is the unit on electricity bills.
What is a British thermal unit?
The BTU is the energy needed to raise one pound of water by one degree Fahrenheit — about 1,055 joules. It rates heating and air-conditioning equipment in the US.
Frequently asked questions
How many BTU are in a kilowatt hour?
1 kWh equals 3,412.14 BTU. Going the other way, 1 BTU is 0.000293071 kWh.
How do you convert kWh to BTU?
To convert kilowatt hours to British thermal units, multiply the kilowatt hour value by 3412.141633. You can also divide by 0.0002930710702 to get the same answer.
What is 10 kWh in BTU?
10 kWh equals 34,121.4 BTU. The conversion chart on this page lists the other values people look up most often.
Related energy conversions
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Convert other units to BTU
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