1 watt = 3.412141633 Btu (IT)/hour
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| Unit | Symbol | Value |
|---|
How to Convert Watts to BTU/hr
The formula is Btu (IT)/hour = watts × 3.412141633. 1 watt = 3.412141633 Btu (IT)/hour. Type any value in the converter above for an instant answer, or use the chart below for the most common values.
This page is preset for watt to Btu (IT)/hour conversions, but you can switch either list to any of the 76 units in the Power Converter.
Watts to BTU/hr conversion chart
| Watts | BTU/hr |
|---|---|
| 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 |
| 11 W | 37.533558 Btu/h |
| 12 W | 40.9457 Btu/h |
| 13 W | 44.357841 Btu/h |
| 14 W | 47.769983 Btu/h |
| 15 W | 51.182124 Btu/h |
| 16 W | 54.594266 Btu/h |
| 17 W | 58.006408 Btu/h |
| 18 W | 61.418549 Btu/h |
| 19 W | 64.830691 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 |
| 70 W | 238.84991 Btu/h |
| 75 W | 255.91062 Btu/h |
| 80 W | 272.97133 Btu/h |
| 90 W | 307.09275 Btu/h |
| 100 W | 341.21416 Btu/h |
| 150 W | 511.82124 Btu/h |
| 200 W | 682.42833 Btu/h |
| 250 W | 853.03541 Btu/h |
| 500 W | 1,706.0708 Btu/h |
| 1,000 W | 3,412.1416 Btu/h |
Common Watts to BTU/hr conversions
- 1 watt = 3.412141633 Btu (IT)/hour
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How to Use the Watts to BTU/hr Converter
- Type a value in the From box and choose its unit.
- Pick the unit you want in the To list — the result updates as you type.
- Use the swap button to reverse the conversion, or type in the To box to convert backwards.
- Check the All conversions table to see your value in every unit; click a row to make it the target.
Frequently Asked Questions
How many Btu (IT)/hour are in a watt?
There are 3.412141633 Btu (IT)/hour in 1 watt. Going the other way, 1 Btu (IT)/hour = 0.2930710702 watts.
How do I convert Watts to BTU/hr?
Use the formula Btu (IT)/hour = watts × 3.412141633. For example, 1 watt = 3.412141633 Btu (IT)/hour. Or type the value in the converter above and the answer appears as you type.
What is the Watts to BTU/hr formula?
Btu (IT)/hour = watts × 3.412141633 — the conversion factor is exact to the digits shown, using the international definitions of both units.
What is 2 Watts in BTU/hr?
2 Watts = 6.8242833 BTU/hr.
What is 5 Watts in BTU/hr?
5 Watts = 17.060708 BTU/hr.
What is 10 Watts in BTU/hr?
10 Watts = 34.121416 BTU/hr.
What is 25 Watts in BTU/hr?
25 Watts = 85.303541 BTU/hr.
What is 100 Watts in BTU/hr?
100 Watts = 341.21416 BTU/hr.
Is this Watts to BTU/hr converter accurate?
Yes. It uses exact unit definitions and double-precision maths, and you can show up to 15 significant digits. The table below is calculated with the same formula.
Can I convert Watts to other power units?
Yes — pick any unit in the From and To lists above, or open the full Power Converter, which handles 76 power units.
Is the Watts to BTU/hr converter free?
Yes, it is free with no sign-up, and every conversion runs in your browser so nothing is sent to a server.