Free online watts to BTU per hour converter, type a value and get the result instantly. No signup, works offline in your browser.
Same unit, other spellings, BTU per hour: BTU/h, btuh, BTU/hr, BTUs per hour.
All calculations run locally in your browser, nothing is uploaded.
Tip: to go the other way, divide by the factor, or use the BTU per hour to watts converter.
| watts (W) | BTU per hour (BTU/h) |
|---|---|
| 0.1 W | 0.341214 BTU/h |
| 0.25 W | 0.853035 BTU/h |
| 0.5 W | 1.706071 BTU/h |
| 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 |
| 8 W | 27.297133 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 |
| 60 W | 204.728498 BTU/h |
| 75 W | 255.910622 BTU/h |
| 100 W | 341.214163 BTU/h |
| 120 W | 409.456996 BTU/h |
| 122 W | 416.281279 BTU/h |
| 146 W | 498.172678 BTU/h |
| 150 W | 511.821245 BTU/h |
| 190 W | 648.30691 BTU/h |
| 200 W | 682.428327 BTU/h |
| 250 W | 853.035408 BTU/h |
| 300 W | 1023.64249 BTU/h |
| 400 W | 1364.856653 BTU/h |
| 500 W | 1706.070817 BTU/h |
| 600 W | 2047.28498 BTU/h |
| 750 W | 2559.106225 BTU/h |
| 800 W | 2729.713307 BTU/h |
| 1000 W | 3412.141633 BTU/h |
| 1500 W | 5118.21245 BTU/h |
| 1810 W | 6175.976356 BTU/h |
| 1930 W | 6585.433352 BTU/h |
| 2000 W | 6824.283266 BTU/h |
| 2500 W | 8530.354083 BTU/h |
| 3000 W | 10236.424899 BTU/h |
| 4000 W | 13648.566533 BTU/h |
| 5000 W | 17060.708166 BTU/h |
| 7500 W | 25591.062248 BTU/h |
| 10000 W | 34121.416331 BTU/h |
| 10500 W | 35827.487148 BTU/h |
BTU per hour (BTU/h) is a unit of power: how much heat energy per hour. 1 BTU/h = 0.29307107 W (1 BTU = 1,055.05585262 J, divided by 3,600 s). When people say "btu to kW" for air conditioners and heaters they mean BTU/h → kilowatts: 1 kW = 3,412.14 BTU/h. Note the difference from plain BTU, which is an energy unit handled by the Energy converter.
Type a value in watts in the converter above, the equivalent in BTU per hour is calculated instantly. 1 W equals 3.412142 BTU/h.
Multiply the value in watts by 3.412142 to get the value in BTU per hour.
There are 3.412142 BTU per hour in 1 W.
Divide the value in BTU per hour by 3.412142, or use the swap button (⇄) in the converter above.
W is the standard abbreviation for watts. E.g. 1 W = 3.412142 BTU/h.
BTU/h is the standard abbreviation for BTU per hour.