BHP to kW Converter

One brake horsepower equals 0.74569987 kilowatts (kW). To convert brake horsepowers to kilowatts, multiply by 0.74569987; to go back the other way, multiply by 1.3410221 instead.

The converter above does it as you type and shows the working underneath, so you can check the arithmetic rather than take the number on trust.

What brake horsepowers and kilowatts actually measure

Brake horsepower (bhp) — Brake horsepower is engine output measured at the crankshaft, before transmission losses. Car specifications, where it typically reads higher than wheel horsepower.

Kilowatt (kW) — A kilowatt is a thousand watts. Heaters, EV chargers, motors and domestic electricity supply.

BHP to kW conversion table

The most common values, worked out in advance. Anything not listed can be typed straight into the converter.

How to convert brake horsepowers to kilowatts by hand

Multiply the number of brake horsepowers by 0.74569987.

For example, 25 bhp × 0.74569987 = 18.642497 kW.

Going the other way, divide by 0.74569987 — or multiply by 1.3410221, which is the same thing and easier to do in your head.

Everything runs in your browser

There is no server involved in the calculation. The numbers you type never leave your device, nothing is logged, and the page keeps working with no connection once it has loaded. That is not a marketing line — it is simply how the tool is built, because a calculation like this has no reason to touch a network.