Convert Watts to BTU per Hour
Convert watts (W) to BTU per hour (BTU/hr) with our free online converter. Includes formula, conversion table, and common examples.
How It Works
Multiply the watt value by 3.41214 Example: 1 W = 3.4121 BTU/hr
Watts to BTU per Hour Table
| Watts (W) | BTU per Hour (BTU/hr) |
|---|---|
| 1 W | 3.4121 BTU/hr |
| 2 W | 6.8243 BTU/hr |
| 3 W | 10.2364 BTU/hr |
| 4 W | 13.6486 BTU/hr |
| 5 W | 17.0607 BTU/hr |
| 6 W | 20.4728 BTU/hr |
| 7 W | 23.885 BTU/hr |
| 8 W | 27.2971 BTU/hr |
| 9 W | 30.7093 BTU/hr |
| 10 W | 34.1214 BTU/hr |
| 12 W | 40.9457 BTU/hr |
| 15 W | 51.1821 BTU/hr |
| 20 W | 68.2428 BTU/hr |
| 25 W | 85.3035 BTU/hr |
| 30 W | 102.36 BTU/hr |
Did You Know?
- One watt equals about 3.412 BTU per hour.
- HVAC systems in the US are rated in BTU/hr — a typical window AC unit is 5,000–12,000 BTU/hr.