Why do European and American cars list power differently?

American specs typically use hp, European specs often use PS or kW — all measure the same physical quantity with slightly different unit definitions.

Engine Power Converter

Convert between horsepower, kW, and PS

Value

From

223.71kW

300 hp = 223.71 kW

Power units are converted through a common base (watts): 1 hp = 745.7 W, 1 PS = 735.5 W.

Example 1

Value=300, from=hp, to=kW

300 hp ≈ 223.7 kW

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