Watts to BTU/h Converter
1 watt = 3.412142 BTU per hour
Type a value in either box: the conversion between watts (W) and BTU per hour (BTU/h) updates instantly.
Good to know
1 watt is about 3.412 BTU/h. A 2,000 W heater gives out about 6,824 BTU/h.
How to convert watts to BTU per hour
To convert watts to BTU per hour, multiply the number of watts by 3.412142. To go the other way, multiply BTU per hour by 0.2930711.
BTU/h = W × 3.412142
Worked examples
- 500 W = 1,706.071 BTU/h
- 1,000 W = 3,412.142 BTU/h
- 2,000 W = 6,824.283 BTU/h
- 3,500 W = 11,942.5 BTU/h
Watts to BTU/h conversion table
| Watts (W) | BTU/h (BTU/h) |
|---|---|
| 100 W | 341.2142 BTU/h |
| 250 W | 853.0354 BTU/h |
| 500 W | 1,706.071 BTU/h |
| 750 W | 2,559.106 BTU/h |
| 1,000 W | 3,412.142 BTU/h |
| 1,500 W | 5,118.212 BTU/h |
| 2,000 W | 6,824.283 BTU/h |
| 2,500 W | 8,530.354 BTU/h |
| 3,000 W | 10,236.42 BTU/h |
| 3,500 W | 11,942.5 BTU/h |
| 5,000 W | 17,060.71 BTU/h |
| 7,000 W | 23,884.99 BTU/h |
| 10,000 W | 34,121.42 BTU/h |
About the units
Watts (W)
The watt (W) is the SI unit of power, equal to one joule per second. Light bulbs, chargers and appliances are rated in watts.
BTU/h (BTU/h)
BTU per hour (BTU/h) is used to rate air conditioners and heaters, mainly in North America. 12,000 BTU/h, called one ton of cooling, is about 3.5 kW.
Frequently asked questions
How do I convert watts to BTU per hour?
BTU/h = W × 3.412142What is 1,000 W in BTU per hour?
How many BTU per hour are in a watt?
How many watts are in one BTU per hour?
Conversion factors use exact international definitions where they exist (for example 1 inch = 2.54 cm and 1 lb = 0.45359237 kg). Results are rounded for display only.