🔌 Power converter

Watt to BTU per Hour Converter

Convert watts (W) to BTU per Hour (BTU/h) instantly with the exact formula, a conversion table and chart.

W

Results

Btu per Hour
3.41214163313 BTU/h
Same value in every unit

📊 Watt to BTU per Hour chart

Watt to BTU per Hour — plotted against watt (w).

How to convert watts to BTU per Hour

To convert watts to BTU per Hour, multiply by 3.41214163313. Power conversions compare engines, motors, appliances, solar panels and air conditioners.

BTU/h = W × 3.41214163313 W = BTU/h ÷ 3.41214163313
Watt to BTU per Hour conversion – W to BTU/h formula illustration
Watt (W) → BTU per Hour (BTU/h) at a glance.

Watt to BTU per Hour conversion table

Watt (W)BTU per Hour (BTU/h)
0.1 W0.341214163313 BTU/h
0.5 W1.70607081656 BTU/h
1 W3.41214163313 BTU/h
2 W6.82428326626 BTU/h
3 W10.2364248994 BTU/h
4 W13.6485665325 BTU/h
5 W17.0607081656 BTU/h
10 W34.1214163313 BTU/h
20 W68.2428326626 BTU/h
25 W85.3035408282 BTU/h
50 W170.607081656 BTU/h
100 W341.214163313 BTU/h
500 W1,706.07081656 BTU/h
1,000 W3,412.14163313 BTU/h

About the units

Watt (W)

The watt is the SI unit of power, one joule per second.

BTU per Hour (BTU/h)

BTU per hour rates air conditioners and furnaces; 1 BTU/h ≈ 0.293 W.

How to use this converter

  1. Type the number of watts (W) in the input box.
  2. The result in BTU per Hour appears instantly — no button needed.
  3. See the same value in every other power unit just below.
  4. Use “Swap units” to convert BTU per Hour back to watts.

Tips for better results

  • Double-check which system a unit belongs to (for example US vs UK gallons).
  • Use the swap button to convert in the opposite direction instantly.
  • Bookmark the conversions you use most — each pair has its own page.

Frequently asked questions

How many BTU per Hour are in one watt?

One watt equals 3.41214163313 BTU per Hour. 3.41214163313 is the exact factor used by this converter.

How do I convert watts to BTU per Hour?

Multiply the value in watts by 3.41214163313. To go the other way, multiply BTU per Hour by 0.293071070172.

What is 10 W in BTU/h?

10 W = 34.1214163313 BTU/h. Also, 5 W = 17.0607081656 BTU/h and 100 W = 341.214163313 BTU/h.

What is the difference between a watt and a btu per hour?

The watt is the SI unit of power, one joule per second. BTU per hour rates air conditioners and furnaces; 1 BTU/h ≈ 0.293 W.

Is this tool free and private?

Yes — the Watt to BTU per Hour is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.

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