Clever Calculators

Power Converter

Convert power between watts, kilowatts, megawatts, horsepower, metric horsepower and BTU per hour.

Result
0 Horsepower (mechanical) =
0 Kilowatts
Watts
0
Megawatts
0
Horsepower (mechanical)
0
Metric horsepower
0
BTU per hour
0

1 mechanical horsepower ≈ 745.7 W; 1 metric horsepower (PS) ≈ 735.5 W. So a 100 hp engine is about 74.6 kW.

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Enter a power value, choose the unit you have and the unit you want. Note that mechanical (imperial) and metric horsepower differ slightly.

Frequently asked questions

How do I convert horsepower to kilowatts?

Multiply mechanical horsepower by 0.7457. For example, 100 hp × 0.7457 ≈ 74.6 kW. Metric horsepower (PS) is slightly less, at about 0.7355 kW each.

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