6 UNITS
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Convert watts, kilowatts, megawatts, horsepower, metric horsepower and BTU per hour for engines, appliances and air conditioners.
Power units and their values
| Unit | Symbol | Value |
|---|---|---|
| watts | W | Base unit |
| kilowatts | kW | 1 kW = 1,000 W |
| megawatts | MW | 1 MW = 1,000,000 W |
| horsepower | hp | 1 hp = 745.6998716 W |
| metric horsepower | PS | 1 PS = 735.49875 W |
| BTU per hour | BTU/h | 1 BTU/h = 0.2930710702 W |
Factors come from each unit’s definition and are applied without rounding; the converter shows 7 significant figures.