1 BTU equals 0.00029307 kWh, about 11% of an AA battery.
| BTU | kWh |
|---|---|
| 1 BTU | 0.00029307 kWh |
| 2 BTU | 0.00058614 kWh |
| 5 BTU | 0.0014654 kWh |
| 10 BTU | 0.0029307 kWh |
| 25 BTU | 0.0073268 kWh |
| 50 BTU | 0.014654 kWh |
| 100 BTU | 0.029307 kWh |
| 250 BTU | 0.073268 kWh |
| 500 BTU | 0.14654 kWh |
| 1000 BTU | 0.29307 kWh |