Kilowatts to horsepower converter
Convertersconversion pair
Convert kilowatts to horsepower instantly: 1 kilowatt is 1.34102 horsepower. The exact math, a copy button, and every other power unit still on screen.
100 kW is 134 hp — the spec sheet that decided which car wins arguments.
work surface
Math, not advice — results are indicative. Read the disclaimer.
pro tips
Quick mental math: multiply by 1.34. 150 kW becomes about 201 hp, close enough for any showroom.
100 kW ≈ 134 hp — the round pair every European spec sheet hides inside.
1 kW ≈ 1.34 hp, or roughly one small engine with good posture.
what it does
The kilowatts-to-horsepower trick is one number: multiply by 1.34102 and the horsepower appears. It's the conversion every car buyer meets when European spec sheets meet American bragging.
It shows up wherever power speaks in kilowatts: a European car rated at 110 kW (that's about 148 hp, and the insurance knows), an electric motor on a Tesla spec sheet reading 211 kW (roughly 283 hp of instant embarrassment for the gas pump), a generator promising 8 kW, or a lawnmower that acts like it's hiding a V8.
The rough version: multiply by 1.34. 100 kW becomes 134 hp, close enough for showrooms, arguments and anything that doesn't get timed to a tenth. For the exact number, the widget below doesn't fudge.
Type any kilowatt number and the widget answers in horsepower instantly, with the math written in the hint. Click the result to copy it, and hit swap when the argument flips — the horsepower-to-kilowatts version is one click away.
quick answers
How many horsepower is 100 kilowatts?
134.1 hp. The round number every European spec sheet secretly wants to be.
Is a kilowatt the same as horsepower?
No — a kilowatt is about 1.34 horsepower. Same job, different unit; the kW just gets to be the one the EU uses on the sticker.
Why does Europe use kilowatts and the US use horsepower?
Europe standardized on metric units for car tax and specs; the US kept horsepower because the horse was already famous. Both are still just watts with extra steps.
What's the difference between horsepower and PS?
PS is metric horsepower (735.5 W) and hp is 745.7 W — within 1.4% of each other. The conversion is a rounding error that insurance loves to argue about.