Convert Watts to BTU Per Hour
1 watt = 3.412142 BTU per hour. Type any value below to convert in either direction — the calculation happens in your browser.
Watts to BTU Per Hour formula
Multiply the number of watts by 3.412142 to get BTU per hour.
BTU per hour = watts × 3.412142To go the other way: divide the number of BTU per hour by 3.412142, or multiply by 0.2930711.
watts = BTU per hour ÷ 3.412142Watts to BTU Per Hour conversion table
| Watts | BTU Per Hour |
|---|---|
| 1 W | 3.412142 BTU/h |
| 2 W | 6.824283 BTU/h |
| 3 W | 10.236425 BTU/h |
| 4 W | 13.648567 BTU/h |
| 5 W | 17.060708 BTU/h |
| 6 W | 20.47285 BTU/h |
| 7 W | 23.884991 BTU/h |
| 8 W | 27.297133 BTU/h |
| 9 W | 30.709275 BTU/h |
| 10 W | 34.121416 BTU/h |
| 15 W | 51.182124 BTU/h |
| 20 W | 68.242833 BTU/h |
| 25 W | 85.303541 BTU/h |
| 30 W | 102.364249 BTU/h |
| 40 W | 136.485665 BTU/h |
| 50 W | 170.607082 BTU/h |
| 75 W | 255.910622 BTU/h |
| 100 W | 341.214163 BTU/h |
| 250 W | 853.035408 BTU/h |
| 500 W | 1,706.071 BTU/h |
| 1,000 W | 3,412.142 BTU/h |
BTU Per Hour to Watts conversion table
| BTU Per Hour | Watts |
|---|---|
| 1 BTU/h | 0.2930711 W |
| 2 BTU/h | 0.5861421 W |
| 3 BTU/h | 0.8792132 W |
| 4 BTU/h | 1.172284 W |
| 5 BTU/h | 1.465355 W |
| 6 BTU/h | 1.758426 W |
| 7 BTU/h | 2.051497 W |
| 8 BTU/h | 2.344569 W |
| 9 BTU/h | 2.63764 W |
| 10 BTU/h | 2.930711 W |
About the watt
The watt is the SI unit of power — one joule per second.
About the BTU per hour
BTU per hour rates the capacity of air conditioners and heating systems in the United States.
Frequently asked questions
How many BTU per hour are in a watt?
There are 3.412142 BTU per hour in one watt.
How many watts are in a BTU per hour?
There are 0.2930711 watts in one BTU per hour.
Is this conversion exact?
The ratio between the watt and the BTU per hour is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 watts in BTU per hour?
10 watts equals 34.121416 BTU per hour.