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Power Converter

Watts, kilowatts, and horsepower converted exactly.

Quick answer: Convert power metrics online instantly. Calculate watts, kilowatts, and horsepower (mechanical and metric) accurately.

Watts → Kilowatts0.001

exact international definitions — computed locally

Convert power between watts, kilowatts, and both mechanical and metric horsepower.

How it works

  1. Choose between watts, kilowatts, or horsepower.
  2. Enter the numerical power rating.
  3. The engine calculates the conversion using the standard Watt baseline.

Frequently asked questions

HP to kW quick rule?

Multiply horsepower by about 0.746; 200 HP is roughly 149 kW.

Mechanical vs metric horsepower?

Mechanical (Imperial) HP is 745.7 W; metric HP (PS, used in Europe) is 735.5 W, about 1.4% less.

Why do car specs use kW and HP?

Regional convention; the EU lists kW officially, while HP/PS remains popular in marketing.

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