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Watts to BTU per Hour Converter

1 W = 3.412141633 BTU/h. Type any value to convert watts to BTU per hour.

1 W = 3.412141633 BTU/h

Formula: BTU/h = W × 3.412141633

Common values
Decimals
In every unit 9 units
Milliwatt (mW) 1,000 mW
Watt (W) 1 W
Kilowatt (kW) 0.001 kW
Megawatt (MW) 0.000001 MW
Horsepower (hp) 0.00134102209 hp
Metric horsepower (PS) 0.001359621617 PS
BTU per hour (BTU/h) 3.412141633 BTU/h
Kilocalorie per hour (kcal/h) 0.8604206501 kcal/h
Ton of refrigeration (TR) 0.0002843451361 TR

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If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

Watts to BTU per hour table

Formula: BTU/h = W × 3.412141633

Watt (W)BTU per hour (BTU/h)
0.1 W0.3412141633 BTU/h
0.25 W0.8530354083 BTU/h
0.5 W1.706070817 BTU/h
1 W3.412141633 BTU/h
2 W6.824283266 BTU/h
3 W10.2364249 BTU/h
4 W13.64856653 BTU/h
5 W17.06070817 BTU/h
6 W20.4728498 BTU/h
7 W23.88499143 BTU/h
8 W27.29713307 BTU/h
9 W30.7092747 BTU/h
10 W34.12141633 BTU/h
12 W40.9456996 BTU/h
15 W51.1821245 BTU/h
20 W68.24283266 BTU/h
25 W85.30354083 BTU/h
30 W102.364249 BTU/h
40 W136.4856653 BTU/h
50 W170.6070817 BTU/h
60 W204.728498 BTU/h
75 W255.9106225 BTU/h
100 W341.2141633 BTU/h
150 W511.821245 BTU/h
200 W682.4283266 BTU/h
250 W853.0354083 BTU/h
500 W1,706.070817 BTU/h
1,000 W3,412.141633 BTU/h

How to use: Watts to BTU per Hour

  1. 1 Type the value in watts.
  2. 2 The result in BTU per hour appears at once – or type in the BTU per hour field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of power.

About this tool

Watt (W) is a unit of power (SI). BTU per hour (BTU/h) is a unit of power (imperial and US customary); 1 BTU/h = 0.2930710702 W.

To convert watts to BTU per hour, multiply the value by 3.412141633 (BTU/h = W × 3.412141633). Example: 100 W = 341.2141633 BTU/h.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

How do I convert watts to BTU per hour?

To convert watts to BTU per hour, multiply the value by 3.412141633: BTU/h = W × 3.412141633. For example 100 W = 341.2141633 BTU/h.

What is 1 W in BTU per hour?

1 W = 3.412141633 BTU/h. The other way round, 1 BTU/h = 0.2930710702 W.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of power here?

Yes – choose any of the 9 units of power in the From and To lists, or switch to another measurement at the top.

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