How to convert kilowatt-hours to BTU
BTU = kWh × 3,412.141633
Example: 5 kWh × 3,412.141633 = 17,060.70817 BTU
Kilowatt-hours to BTU table
| Kilowatt-hours (kWh) | BTU (BTU) |
|---|---|
| 0.5 kWh | 1,706.0708 BTU |
| 1 kWh | 3,412.1416 BTU |
| 2 kWh | 6,824.2833 BTU |
| 3 kWh | 10,236.425 BTU |
| 4 kWh | 13,648.567 BTU |
| 5 kWh | 17,060.708 BTU |
| 6 kWh | 20,472.85 BTU |
| 7 kWh | 23,884.991 BTU |
| 8 kWh | 27,297.133 BTU |
| 9 kWh | 30,709.275 BTU |
| 10 kWh | 34,121.416 BTU |
| 15 kWh | 51,182.124 BTU |
| 20 kWh | 68,242.833 BTU |
| 25 kWh | 85,303.541 BTU |
| 30 kWh | 102,364.25 BTU |
| 40 kWh | 136,485.67 BTU |
| 50 kWh | 170,607.08 BTU |
| 75 kWh | 255,910.62 BTU |
| 100 kWh | 341,214.16 BTU |
| 250 kWh | 853,035.41 BTU |
| 500 kWh | 1,706,070.8 BTU |
| 1,000 kWh | 3,412,141.6 BTU |
About these units
Kilowatt-hours (kWh): A kilowatt-hour is 3.6 megajoules – the unit on electricity bills.
BTU (BTU): The British thermal unit (International Table) is about 1,055.06 joules, used for heating and air-conditioning.
Frequently asked questions
How many BTU are in 1 kilowatt-hour?
1 kilowatt-hour (kWh) equals 3,412.141633 BTU.
How do I convert kWh to BTU?
Multiply the value in kilowatt-hours by 3,412.141633. For example, 5 kWh × 3,412.141633 = 17,060.70817 BTU.
How do I convert BTU back to kilowatt-hours?
Multiply by 0.00029307107 (or divide by 3,412.141633). 1 BTU = 0.00029307107 kWh.
What is a kilowatt-hour?
A kilowatt-hour is 3.6 megajoules – the unit on electricity bills.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every energy unit at once? Use the Energy Converter.