Power Converter
Convert between watts, kilowatts, horsepower, BTU/h, and more.
Result
745.7
Watt (W)
Common conversions
| Conversion | Result |
|---|---|
| 1 hp → W | 745.7 |
| 1 kW → hp | 1.34102186 |
| 1 MW → kW | 1000 |
| 1 BTU/h → W | 0.29307 |
| 1 kW → BTU/h | 3412.15409288 |
| 1 hp → kW | 0.7457 |
Power units in electrical and mechanical engineering
The watt (W) is the SI unit of power — one joule per second. Everyday appliances are rated in watts or kilowatts (kW), while large generators and power plants use megawatts (MW). In the automotive and mechanical world, power is often expressed in horsepower (hp): 1 hp = 745.7 W. HVAC equipment in the US is rated in BTU per hour (BTU/h) — 1 kW ≈ 3,412 BTU/h. Calorie/second and foot-pound/second are used in thermodynamics and classical mechanics respectively. All conversions route through watts and run entirely in your browser.
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