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Conversion - hp to kW

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Quick reference

Mechanical horsepower (hp) and kilowatts (kW) measure the same thing — rate of work — in two different units. 1 hp ≈ 0.7457 kW. The conversion is exact, not approximate; the rounding comes from the historical definition of horsepower based on lifting 33,000 ft·lb per minute.

Formula
kW = hp × 0.7457
Common values
100 hp
74.6 kW
150 hp
111.9 kW
200 hp
149.1 kW
300 hp
223.7 kW
500 hp
372.9 kW

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