British thermal units to watt-hours converter
Watt-hours (Wh)
1 British thermal unit = 0.2930710702 watt-hours
How to convert British thermal units to watt-hours
Wh = BTU × 0.293071070172
Multiply the number of British thermal units by 0.293071070172 to get watt-hours. Going the other way, divide by 0.293071070172 (or multiply by 3.41214163313).
One British thermal unit is exactly defined as 0.293071070172 watt-hours (to 12 significant figures), and one watt-hour is 3.41214163313 British thermal units.
Worked examples
- Convert 5 British thermal units: 5 × 0.293071070172 = 1.465355351 1.465355351 watt-hours.
- Convert 12.5 British thermal units: 12.5 × 0.293071070172 = 3.663388377 3.663388377 watt-hours.
- Convert 250 British thermal units: 250 × 0.293071070172 = 73.26776754 73.26776754 watt-hours.
Quick-reference table
| BTU | Wh |
|---|---|
| 1 | 0.2930710702 |
| 2 | 0.5861421403 |
| 3 | 0.8792132105 |
| 5 | 1.465355351 |
| 10 | 2.930710702 |
| 15 | 4.396066053 |
| 20 | 5.861421403 |
| 25 | 7.326776754 |
| 50 | 14.65355351 |
| 75 | 21.98033026 |
| 100 | 29.30710702 |
| 1,000 | 293.0710702 |
| Wh | BTU |
|---|---|
| 1 | 3.412141633 |
| 2 | 6.824283266 |
| 3 | 10.2364249 |
| 5 | 17.06070817 |
| 10 | 34.12141633 |
| 15 | 51.1821245 |
| 20 | 68.24283266 |
| 25 | 85.30354083 |
| 50 | 170.6070817 |
| 75 | 255.9106225 |
| 100 | 341.2141633 |
| 1,000 | 3,412.141633 |
Related conversions
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Frequently asked questions
How many watt-hours are in 1 British thermal unit?
1 British thermal unit equals 0.2930710702 watt-hours.
What is the formula to convert British thermal units to watt-hours?
Use Wh = BTU × 0.293071070172. Multiply the number of British thermal units by 0.293071070172 to get watt-hours. Going the other way, divide by 0.293071070172 (or multiply by 3.41214163313).
What is 100 British thermal units in watt-hours?
100 British thermal units is 29.30710702 watt-hours.