How many watts in a horsepower?

1 mechanical horsepower (hp) equals approximately 745.7 watts or 0.7457 kilowatts.

How do I convert kW to HP?

Multiply the kilowatt value by 1.341 to get horsepower. For example, 100 kW × 1.341 = 134.1 hp.

What is the difference between HP and PS?

HP (horsepower) is the US/UK unit (745.7 W), while PS (Pferdestärke) is the metric horsepower (735.5 W). 1 HP ≈ 1.014 PS.

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Free Power Converter — Watts, HP, kW, BTU/h

Convert between units of power

📝 Related: 📝 HP vs Kilowatts

From

745.7

1 hp = 745.7 W

Quick Reference

Value	Equivalent
1 hp (US)	745.7 W / 0.7457 kW
1 PS (metric hp)	735.499 W
1 kW	1000 W / 1.341 hp
1 BTU/hr	0.29307 W
1 MW	1,000 kW / 1,341 hp

How Many Horsepower Is My Car in Kilowatts?

Multiply your car's horsepower by 0.7457 to get kilowatts. For example, a 200 HP engine produces about 149 kW. European car specs often list power in kW, while US and UK markets prefer HP.

What Is Brake Horsepower vs Horsepower?

BHP (brake horsepower) measures engine output at the flywheel using a dynamometer, before drivetrain losses. HP can sometimes include those losses. In practice, BHP and HP are often used interchangeably, but BHP is the more precise measurement used in manufacturer specs.

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