Watt-hours to BTU Converter
How to convert watt-hours to BTU
BTU = watt-hours × 3.41214163
To convert watt-hours to BTU, multiply the number of watt-hours by 3.41214163.
1 Wh = 3.41214163 BTU
Examples
- The usual airline limit for a lithium battery in carry-on baggage: 100 Wh × 3.41214163 = 341.214163 BTU
- 1,000 Wh × 3.41214163 = 3,412.14163 BTU
Good to know
This is the International Table BTU, 1055.05585262 J. Other definitions exist, such as the thermochemical BTU (about 1054.35 J); they differ from it by up to about 0.5%.
Watt-hours to BTU conversion table
| Watt-hours (Wh) | BTU |
|---|---|
| 1 Wh | 3.41214163 BTU |
| 2 Wh | 6.82428327 BTU |
| 5 Wh | 17.0607082 BTU |
| 10 Wh | 34.1214163 BTU |
| 20 Wh | 68.2428327 BTU |
| 50 Wh | 170.607082 BTU |
| 100 Wh | 341.214163 BTU |
| 200 Wh | 682.428327 BTU |
| 250 Wh | 853.035408 BTU |
| 500 Wh | 1,706.07082 BTU |
| 1,000 Wh | 3,412.14163 BTU |
| 2,000 Wh | 6,824.28327 BTU |
| 2,500 Wh | 8,530.35408 BTU |
| 5,000 Wh | 17,060.7082 BTU |
| 10,000 Wh | 34,121.4163 BTU |
Unit definitions
- Watt-hour (Wh)
- A watt-hour is the energy used by a 1 watt load running for one hour, exactly 3600 joules. It is used for battery capacities.
- BTU
- The British thermal unit is roughly the heat needed to raise one pound of water by one degree Fahrenheit. The International Table BTU is exactly 1055.05585262 joules, and it is used for heating and cooling in the United States.