How to convert watts to BTU per hour
BTU/h = W × 3.412141633
Example: 5 W × 3.412141633 = 17.06070817 BTU/h
Watts to BTU per Hour table
| Watts (W) | BTU per Hour (BTU/h) |
|---|---|
| 0.5 W | 1.7060708 BTU/h |
| 1 W | 3.4121416 BTU/h |
| 2 W | 6.8242833 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 | 102.36425 BTU/h |
| 40 W | 136.48567 BTU/h |
| 50 W | 170.60708 BTU/h |
| 75 W | 255.91062 BTU/h |
| 100 W | 341.21416 BTU/h |
| 250 W | 853.03541 BTU/h |
| 500 W | 1,706.0708 BTU/h |
| 1,000 W | 3,412.1416 BTU/h |
About these units
Watts (W): The watt is the SI unit of power: one joule per second.
BTU per Hour (BTU/h): BTU per hour is used to rate air conditioners and heaters. 12,000 BTU/h is one ton of refrigeration.
Frequently asked questions
How many BTU per hour are in 1 watt?
1 watt equals 3.412141633 BTU per hour (BTU/h).
How do I convert W to BTU/h?
Multiply the value in watts by 3.412141633. For example, 5 W × 3.412141633 = 17.06070817 BTU/h.
How do I convert BTU per hour back to watts?
Multiply by 0.2930710702 (or divide by 3.412141633). 1 BTU/h = 0.2930710702 W.
What is a watt?
The watt is the SI unit of power: one joule per second.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every power unit at once? Use the Power Converter.