BTU to Watt-hours Converter
How to convert BTU to watt-hours
watt-hours = BTU ÷ 3.41214163
To convert BTU to watt-hours, divide the number of BTU by 3.41214163.
1 BTU = 0.29307107 Wh
Examples
- 1,000 BTU ÷ 3.41214163 = 293.07107 Wh
- About one therm: 100,000 BTU ÷ 3.41214163 = 29,307.107 Wh
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%.
BTU to watt-hours conversion table
| BTU | Watt-hours (Wh) |
|---|---|
| 1 BTU | 0.29307107 Wh |
| 10 BTU | 2.9307107 Wh |
| 100 BTU | 29.307107 Wh |
| 500 BTU | 146.535535 Wh |
| 1,000 BTU | 293.07107 Wh |
| 2,000 BTU | 586.14214 Wh |
| 5,000 BTU | 1,465.35535 Wh |
| 10,000 BTU | 2,930.7107 Wh |
| 12,000 BTU | 3,516.85284 Wh |
| 20,000 BTU | 5,861.4214 Wh |
| 50,000 BTU | 14,653.5535 Wh |
| 100,000 BTU | 29,307.107 Wh |
| 500,000 BTU | 146,535.535 Wh |
| 1,000,000 BTU | 293,071.07 Wh |
Unit definitions
- 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.
- 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.