How many kW is 121 HP?

121 mechanical horsepower = 90.23 kW. The exact factor is 1 HP = 0.7457 kW.

What is 121 HP in PS (metric horsepower)?

121 HP = 122.68 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: 121 × 0.746 = 90.27 kW. The exact answer is 90.23 kW.

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

121 HP equals 90.23 kW.

Formula: HP × 0.7457 = kW

121 HP =

90.23kW

Metric HP (PS)

122.68 PS

Watts

90,229.7 W

121 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
91 HP	67.86 kW	92.26 PS	67,858.7 W
96 HP	71.59 kW	97.33 PS	71,587.2 W
101 HP	75.32 kW	102.4 PS	75,315.7 W
106 HP	79.04 kW	107.47 PS	79,044.2 W
111 HP	82.77 kW	112.54 PS	82,772.7 W
116 HP	86.5 kW	117.61 PS	86,501.2 W
121 HP	90.23 kW	122.68 PS	90,229.7 W
126 HP	93.96 kW	127.75 PS	93,958.2 W
131 HP	97.69 kW	132.82 PS	97,686.7 W
136 HP	101.42 kW	137.89 PS	101,415.2 W
141 HP	105.14 kW	142.96 PS	105,143.7 W
146 HP	108.87 kW	148.02 PS	108,872.2 W
151 HP	112.6 kW	153.09 PS	112,600.7 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 121 HP?: 121 mechanical horsepower = 90.23 kW. The exact factor is 1 HP = 0.7457 kW.
What is 121 HP in PS (metric horsepower)?: 121 HP = 122.68 PS. Metric HP (PS/CV) is slightly smaller than mechanical HP: 1 PS = 0.9863 HP.
How do I convert 121 HP to kW without a calculator?: Multiply HP by 0.746 for a close approximation: 121 × 0.746 = 90.27 kW. The exact answer is 90.23 kW.
What kind of engine has 121 HP?: 121 HP is typical of economy and compact cars — think Honda Civic base, Toyota Corolla, or VW Golf 1.0T.

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