How to convert watts to BTU per hour
To convert watts (W) to BTU per hour (BTU/h), multiply the value in watts by 3.41214163315.
BTU/h = W × 3.41214163315
Example: 10 W = 34.12141633 BTU/h.
You can also type 10 W to BTU/h into the smart calculator, or mix units: 1 W + 1 BTU/h.
Watts to BTU per Hour conversion table
| Watts | BTU per Hour |
|---|---|
| 0.01 W | 0.034121416 BTU/h |
| 0.1 W | 0.34121416 BTU/h |
| 0.25 W | 0.85303541 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 |
| 12 W | 40.9457 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 |
| 60 W | 204.7285 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 |
Converting BTU per hour back to watts
1 BTU/h = 0.2930710702 W. See the BTU per Hour to Watts converter, or press the swap button above.
About the units
Watt (W)
The SI unit of power: one joule per second.
BTU per hour (BTU/h)
A unit of power.
Power is the rate at which energy is used or produced. The SI unit is the watt, one joule per second. Engines are rated in horsepower or kilowatts, and air conditioners in BTU per hour or tons of refrigeration.
Questions and answers
How many BTU per hour are in a watt?
One watt (W) equals 3.412141633 BTU per hour (BTU/h).
How do I convert watts to BTU per hour?
To convert watts to BTU per hour, multiply the value in watts by 3.41214163315. The formula is BTU/h = W × 3.41214163315. For example, 10 W = 34.121416 BTU/h.
What is 10 W in BTU/h?
10 watts is 34.12141633 BTU per hour.
Which is bigger, a watt or a BTU per hour?
A watt is bigger: 1 W = 3.412141633 BTU/h.
What is the difference between hp and PS?
Mechanical horsepower (hp) is about 745.7 W. Metric horsepower (PS, CV) is 735.5 W, about 1.4% less.
Does this W to BTU/h converter work offline?
Yes. ConvertEasy is a progressive web app: after your first visit it keeps working with no connection, and you can install it to your home screen from the browser menu.