What does this tool do?
Mechanical horsepower and metric horsepower are close but not identical, and electric motors are usually rated in kilowatts. This converter shows all four so engine and motor figures can be compared properly.
The Formula
hp = W ÷ 745.6999; PS = W ÷ 735.4988; kW = W ÷ 1,000Frequently Asked Questions
Is horsepower the same in every country?
No. Mechanical horsepower is 745.7 watts, while metric horsepower (PS) is 735.5 watts, about 1.4% smaller. The difference matters when comparing European and US engine specs.
How many watts is 1 hp?
One mechanical horsepower is 745.6999 watts. One metric horsepower is 735.4988 watts.