How many kW is 100 HP?

100 mechanical horsepower = 74.57 kW. The exact factor is 1 HP = 0.7457 kW.

What is 100 HP in PS (metric horsepower)?

100 HP = 101.39 PS. Metric HP (PS/CV) is slightly smaller than mechanical HP: 1 PS = 0.9863 HP.

Multiply HP by 0.746 for a close approximation: 100 × 0.746 = 74.6 kW. The exact answer is 74.57 kW.

100 HP is typical of economy and compact cars — think Honda Civic base, Toyota Corolla, or VW Golf 1.0T.

100 HP equals 74.57 kW.

Formula: HP × 0.7457 = kW

100 HP =

74.57kW

Metric HP (PS)

101.39 PS

Watts

74,570 W

100 HP sits in the mid-range for family sedans and compact crossovers.

Computed to 3 decimal places using factor 0.7457. For engineering or safety-critical uses verify against a calibrated reference.

Reference table

horsepower (HP)	kilowatts (kW)	Metric HP (PS)	Watts
70 HP	52.2 kW	70.97 PS	52,199 W
75 HP	55.93 kW	76.04 PS	55,927.5 W
80 HP	59.66 kW	81.11 PS	59,656 W
85 HP	63.38 kW	86.18 PS	63,384.5 W
90 HP	67.11 kW	91.25 PS	67,113 W
95 HP	70.84 kW	96.32 PS	70,841.5 W
100 HP	74.57 kW	101.39 PS	74,570 W
105 HP	78.3 kW	106.46 PS	78,298.5 W
110 HP	82.03 kW	111.53 PS	82,027 W
115 HP	85.76 kW	116.59 PS	85,755.5 W
120 HP	89.48 kW	121.66 PS	89,484 W
125 HP	93.21 kW	126.73 PS	93,212.5 W
130 HP	96.94 kW	131.8 PS	96,941 W

By use case

Economy car

city / commuter

Sport car

hot hatch / sports sedan

Supercar

flagship performance

Hypercar

extreme performance

Other HP values

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FAQ

How many kW is 100 HP?: 100 mechanical horsepower = 74.57 kW. The exact factor is 1 HP = 0.7457 kW.
What is 100 HP in PS (metric horsepower)?: 100 HP = 101.39 PS. Metric HP (PS/CV) is slightly smaller than mechanical HP: 1 PS = 0.9863 HP.
How do I convert 100 HP to kW without a calculator?: Multiply HP by 0.746 for a close approximation: 100 × 0.746 = 74.6 kW. The exact answer is 74.57 kW.
What kind of engine has 100 HP?: 100 HP is typical of economy and compact cars — think Honda Civic base, Toyota Corolla, or VW Golf 1.0T.

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