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BTU (IT) per hour to Watt Converter

1 BTU per hour is about 0.2930710702 watts. Convert BTUs per hour (BTU/h) to watts (W) below: type a value and the result updates as you type.

BTU/h to W calculator

Dot or comma decimals and scientific notation (1e-3) work.

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Result

BTU (IT) per hour to Watt conversion

1 BTU/h ≈ 0.2930710702 Wone BTU per hour in watts

1 W ≈ 3.412141633 BTU/hone watt in BTUs per hour

BTU (IT) per hour (BTU/h): One International Table BTU per hour (about 0.29307 watts).

Watt (W): SI derived unit: one joule per second.

Source:BTU (IT) per hour: NIST Special Publication 811 (2008), Appendix B.8; Watt: SI Brochure, 9th edition (BIPM, 2019)

How to convert BTUs per hour to watts

To convert BTUs per hour to watts, multiply the number of BTUs per hour by about 0.2930710702.

Formula

W = BTU/h × 0.2930710702

The factor is rounded here. The calculator uses the exact value.

Examples

  • 5 BTU/h = 5 × 0.2930710702 ≈ 1.465355351 W
  • 25 BTU/h = 25 × 0.2930710702 ≈ 7.326776754 W
  • 100 BTU/h = 100 × 0.2930710702 ≈ 29.30710702 W

BTU (IT) per hour to Watt conversion table

BTU (IT) per hour to Watt
BTU (IT) per hour (BTU/h)Watt (W)
0.1 BTU/h0.02930710702 W
0.5 BTU/h0.1465355351 W
1 BTU/h0.2930710702 W
2 BTU/h0.5861421403 W
3 BTU/h0.8792132105 W
5 BTU/h1.465355351 W
10 BTU/h2.930710702 W
20 BTU/h5.861421403 W
25 BTU/h7.326776754 W
50 BTU/h14.65355351 W
100 BTU/h29.30710702 W
250 BTU/h73.26776754 W
500 BTU/h146.5355351 W
1000 BTU/h293.0710702 W

Values rounded to 10 significant digits where needed.

Frequently asked questions

How many watts are in one BTU per hour?
One BTU per hour is about 0.2930710702 watts.
How do I convert watts to BTUs per hour?
To convert watts to BTUs per hour, multiply the number of watts by about 3.412141633. The formula is BTU/h = W × 3.412141633.
Is this conversion exact?
Yes. Both units have exact definitions, but the factor has more decimal places than can be shown, so displayed results are rounded. The calculator works with 50 significant digits before rounding.
Which is larger, a BTU per hour or a watt?
A watt is about 3.412141633 times larger than a BTU per hour. In other words, a BTU per hour is about 0.2930710702 of a watt.