馬力からkWへの計算機

共有リンク

はじめに

Horsepower to kW Calculator — Convert mechanical horsepower to kilowatts using the exact conversion constant. Enter Horsepower (HP) to get an instant, accurate result.

計算式

kW = Horsepower × 0.745699872, using the standard mechanical horsepower to kilowatt conversion constant (1 hp = 745.699872 W).

ステップごとの説明

Enter the Horsepower (HP).
Click Calculate to see your result instantly.

実例

Example: With Horsepower (HP) = 5, the Horsepower to kW Calculator gives Kw: 3.7285.

よくある質問

Is this the same as metric horsepower?

No — this uses mechanical (imperial) horsepower (745.699872 W). Metric horsepower (PS/CV), used in some countries, is slightly different at about 735.499 W — check which definition your source specifies.

What is this conversion commonly used for?

Comparing motor nameplate horsepower ratings (common in the US) against kilowatt-based electrical power specifications used elsewhere, or calculating a motor's expected electrical input power alongside its efficiency.

What inputs does the Horsepower to kW Calculator need?

You'll need to provide: Horsepower (HP). All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.

How accurate is the Horsepower to kW Calculator?

The Horsepower to kW Calculator applies the formula exactly as calculated — kW = Horsepower × 0.745699872, using the standard mechanical horsepower to kilowatt conversion constant (1 hp = 745.699872 W). — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.

Is the Horsepower to kW Calculator free to use?

Yes, the Horsepower to kW Calculator is completely free, requires no signup, and runs instantly in your browser.