How to convert BTU to kilowatt-hours
kWh = BTU × 0.00029307107
Example: 5 BTU × 0.00029307107 = 0.001465355351 kWh
BTU to Kilowatt-hours table
| BTU (BTU) | Kilowatt-hours (kWh) |
|---|---|
| 0.5 BTU | 0.00014653554 kWh |
| 1 BTU | 0.00029307107 kWh |
| 2 BTU | 0.00058614214 kWh |
| 3 BTU | 0.00087921321 kWh |
| 4 BTU | 0.0011722843 kWh |
| 5 BTU | 0.0014653554 kWh |
| 6 BTU | 0.0017584264 kWh |
| 7 BTU | 0.0020514975 kWh |
| 8 BTU | 0.0023445686 kWh |
| 9 BTU | 0.0026376396 kWh |
| 10 BTU | 0.0029307107 kWh |
| 15 BTU | 0.0043960661 kWh |
| 20 BTU | 0.0058614214 kWh |
| 25 BTU | 0.0073267768 kWh |
| 30 BTU | 0.0087921321 kWh |
| 40 BTU | 0.011722843 kWh |
| 50 BTU | 0.014653554 kWh |
| 75 BTU | 0.02198033 kWh |
| 100 BTU | 0.029307107 kWh |
| 250 BTU | 0.073267768 kWh |
| 500 BTU | 0.14653554 kWh |
| 1,000 BTU | 0.29307107 kWh |
About these units
BTU (BTU): The British thermal unit (International Table) is about 1,055.06 joules, used for heating and air-conditioning.
Kilowatt-hours (kWh): A kilowatt-hour is 3.6 megajoules – the unit on electricity bills.
Frequently asked questions
How many kilowatt-hours are in 1 BTU?
1 BTU equals 0.00029307107 kilowatt-hours (kWh).
How do I convert BTU to kWh?
Multiply the value in BTU by 0.00029307107. For example, 5 BTU × 0.00029307107 = 0.001465355351 kWh.
How do I convert kilowatt-hours back to BTU?
Multiply by 3,412.141633 (or divide by 0.00029307107). 1 kWh = 3,412.141633 BTU.
What is a BTU?
The British thermal unit (International Table) is about 1,055.06 joules, used for heating and air-conditioning.
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.