Watts to BTU/hours (W to BTU/h)
Free online watt to btu/hour converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.
POWER CONVERTER — INSTANT RESULT
Formula: multiply the watt value by 3.41214163 — i.e. BTU/h = W × 3.41214163
Quick check: 1 W = 3.41214163 BTU/h
Quick check: 1 W = 3.41214163 BTU/h
Watts to BTU/hours conversion table
| Watts (W) | BTU/hours (BTU/h) |
|---|---|
| 1 W | 3.41214163 BTU/h |
| 2 W | 6.82428327 BTU/h |
| 3 W | 10.2364249 BTU/h |
| 4 W | 13.64856653 BTU/h |
| 5 W | 17.06070816 BTU/h |
| 6 W | 20.4728498 BTU/h |
| 7 W | 23.88499143 BTU/h |
| 8 W | 27.29713306 BTU/h |
| 9 W | 30.7092747 BTU/h |
| 10 W | 34.12141633 BTU/h |
| 15 W | 51.18212449 BTU/h |
| 20 W | 68.24283266 BTU/h |
| 25 W | 85.30354082 BTU/h |
| 30 W | 102.36424898 BTU/h |
| 40 W | 136.48566531 BTU/h |
| 50 W | 170.60708164 BTU/h |
| 75 W | 255.91062246 BTU/h |
| 100 W | 341.21416328 BTU/h |
| 250 W | 853.0354082 BTU/h |
| 500 W | 1,706.0708164 BTU/h |
| 1,000 W | 3,412.1416328 BTU/h |
How to convert watts to btu/hours
To convert watts to btu/hours, multiply the amount in watts by 3.41214163. For example, 10 W = 34.12141633 BTU/h. To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.
Convert between watts, horsepower, BTU per hour and foot-pounds per second. Mechanical horsepower is defined as exactly 550 ft·lbf/s = 745.699871582 W; metric horsepower (PS) is 75 kgf·m/s = 735.49875 W.
Frequently asked questions
How many btu/hours are in one watt?
One watt is exactly 3.41214163 btu/hours.
How do I convert W to BTU/h?
Multiply the W value by 3.41214163 to get BTU/h. The converter at the top of this page does this automatically and works in both directions.
How much is 100 watts in btu/hours?
100 watts equals 341.21416328 btu/hours.