Kilowatts to horsepower – convert kW to hp

Convert kilowatts to horsepower (kW to hp) when you need engine or motor power expressed in traditional hp instead of SI kilowatts. This page opens the main power converter with kW → hp pre-selected.

Open the interactive kW → hp converter:

Use main converter (kW → hp) or switch to hp → kW

Switch between watts, kilowatts, megawatts and both hp types using the dropdowns on the homepage.

Quick reference: kW to hp

For mechanical horsepower: 1 kW ≈ 1.341 hp.

Kilowatts (kW) Horsepower (hp, approx.)
50 kW67.1 hp
75 kW100.6 hp
100 kW134.1 hp
150 kW201.2 hp
200 kW268.2 hp

Why convert kW to horsepower?

kW vs hp in real usage

kW is the official SI unit and appears in most modern regulations and data sheets.

hp is still widely used in car brochures, boating, small engines and general conversation.

kW to hp FAQ

Is 100 kW a lot of power for a car?
100 kW is about 134 hp – roughly a mid-range family car output.
What about electric cars?
EVs are usually quoted in kW, but you can convert to hp with the same formula as combustion engines.
Does this use mechanical hp or metric hp?
This page uses mechanical horsepower. Metric horsepower (PS) is covered on the metric horsepower pages below.

More power converters

Updated: January 2025.