Instantly convert BTU per hour (BTU/h) to watts (W). Bidirectional, accurate, and free.
To convert BTU per hour to watts, use the formula watts = BTU per hour × 0.2931. For example, 2 BTU per hour equals 0.5861 watts. Type any number into the calculator above and the result appears instantly — you can also type into the watts box to convert the other way.
| BTU per hour | Watts |
|---|---|
| 1 BTU/h | 0.2931 W |
| 2 BTU/h | 0.5861 W |
| 5 BTU/h | 1.4654 W |
| 10 BTU/h | 2.9307 W |
| 25 BTU/h | 7.3268 W |
| 50 BTU/h | 14.6536 W |
| 100 BTU/h | 29.3071 W |
| 200 BTU/h | 58.6142 W |
There are 0.2931 watts in one BTU per hour. To convert any value, apply the formula watts = BTU per hour × 0.2931.
The formula is watts = BTU per hour × 0.2931. Enter a value above and the result updates instantly in both directions.
Yes. It uses the exact internationally-defined conversion factor, so results match official standards to several decimal places.
Yes — the converter is bidirectional. Type in either box and the other updates automatically using the inverse formula.