Convert BTU per Hour to Watt
Live bidirectional calculator for BTUs per Hour (BTU/h) and Watts (W) with verified formula and conversion charts.
Power7 units
How the Calculation Works (Linear Scaling)
Since 1 Watt = 3.412142 BTUs per Hour, divide the value in BTUs per Hour by 3.412142.
BTU per Hour to Watt Conversion Table
Precomputed values for quick reference and printing.
| BTU per Hour | Watt |
|---|---|
| 1 BTU/h | 0.2931 W |
| 2 BTU/h | 0.5861 W |
| 3 BTU/h | 0.8792 W |
| 4 BTU/h | 1.1723 W |
| 5 BTU/h | 1.4654 W |
| 6 BTU/h | 1.7584 W |
| 7 BTU/h | 2.0515 W |
| 8 BTU/h | 2.3446 W |
| 9 BTU/h | 2.6376 W |
| 10 BTU/h | 2.9307 W |
| 15 BTU/h | 4.3961 W |
| 20 BTU/h | 5.8614 W |
| 25 BTU/h | 7.3268 W |
| 30 BTU/h | 8.7921 W |
| 40 BTU/h | 11.7228 W |
| 50 BTU/h | 14.6536 W |
| 75 BTU/h | 21.9803 W |
| 100 BTU/h | 29.3071 W |
| Watt | BTU per Hour |
|---|---|
| 1 W | 3.4121 BTU/h |
| 2 W | 6.8243 BTU/h |
| 3 W | 10.2364 BTU/h |
| 4 W | 13.6486 BTU/h |
| 5 W | 17.0607 BTU/h |
| 6 W | 20.4728 BTU/h |
| 7 W | 23.885 BTU/h |
| 8 W | 27.2971 BTU/h |
| 9 W | 30.7093 BTU/h |
| 10 W | 34.1214 BTU/h |
| 15 W | 51.1821 BTU/h |
| 20 W | 68.2428 BTU/h |
| 25 W | 85.3035 BTU/h |
| 30 W | 102.3642 BTU/h |
| 40 W | 136.4857 BTU/h |
| 50 W | 170.6071 BTU/h |
| 75 W | 255.9106 BTU/h |
| 100 W | 341.2142 BTU/h |
๐ Standard Benchmark Reference Values
HVAC cooling and heating rate (1055.05585262 / 3600 W).
ApproximateAbout BTU per Hour (BTU/h)
A unit of power defined as one International Table BTU per hour (โ 0.293071 W).
History: Standard imperial rate of thermal heat transfer.
Common Uses: Air conditioner cooling capacities (e.g. 12,000 BTU/h = 1 ton of refrigeration), heaters.
About Watt (W)
The SI coherent derived unit of power, equal to one joule of energy converted or dissipated per second (1 J/s).
History: Named after Scottish engineer James Watt for his improvements to the steam engine; adopted in 1889.
Common Uses: Light bulb power, consumer electronics, computer power supplies, solar panels.
โ Frequently Asked Questions
How many Watts are in 1 BTU per Hour?
There are exactly 0.293071 Watts in 1 BTU per Hour (1 BTU/h = 0.293071 W).
What is the formula to convert BTU per Hour to Watt?
The formula is: Watt = BTU per Hour / 3.412142. Since 1 Watt = 3.412142 BTUs per Hour, divide the value in BTUs per Hour by 3.412142.
How do I convert 1 BTU/h to W manually?
To convert 1 BTU/h to W: apply the formula Watt = BTU per Hour / 3.412142. Substituting gives: 1 / 3.412142 = 0.2931 W.