Mechanical Horsepower to Kilowatt Converter

Convert mechanical horsepowers to kilowatts (hp to kW) instantly with this free online power converter. Enter any value in the Mechanical Horsepower field and get the equivalent in Kilowatt immediately. This converter handles any quantity — from tiny fractions to large numbers — with full precision. No signup, no ads in the widget, and the conversion runs entirely in your browser for instant results.

The conversion factor is exact: 1 hp = 0.745699872 kW. To convert mechanical horsepowers to kilowatts, multiply your Mechanical Horsepower value by 0.745699872. For example, 10 hp = 7.45699872 kW. You can also reverse the calculation: 1 kW = 1.341022089 hp.

Quick conversion table

Mechanical Horsepower (hp) Kilowatt (kW)
1 hp 0.745699872 kW
5 hp 3.72849936 kW
10 hp 7.45699872 kW
25 hp 18.6424968 kW
50 hp 37.2849936 kW
100 hp 74.5699872 kW

Use the swap button to reverse the direction, or choose a different unit from the dropdown menus to convert within the power category.

Result
Formula

Formula

Mechanical Horsepower to Kilowatt conversion:
1 hp = 0.745699872 kW
kilowatts = mechanical horsepowers × 0.745699872
1 kW = 1.341022089 hp
mechanical horsepowers = kilowatts × 1.341022089

Example

Example: Convert 10 hp to kW: 10 hp × 0.745699872 = 7.45699872 kW So, 10 hp is about 7.45699872 kW. To convert back, multiply by 1.341022089: 7.45699872 kW × 1.341022089 = 10 hp.

How to Use

  1. Enter the value you want to convert in the Mechanical Horsepower field
  2. The result in Kilowatt appears instantly below
  3. Use the dropdown menus to change units if needed
  4. Click 'Swap Units' to reverse the conversion direction
  5. Copy the result or adjust the input for a new conversion

Frequently Asked Questions

How do I convert mechanical horsepowers to kilowatts?

Enter the value in Mechanical Horsepower (hp) in the 'From' field. The equivalent in Kilowatt (kW) appears instantly in the 'To' field. The converter uses precise conversion factors and updates in real time as you type.

What is the formula to convert hp to kW?

The conversion factor is shown in the Formula row below the result. For most power units, the conversion is a simple multiplication or division by a fixed factor. Temperature and fuel economy use special formulas, which are also displayed.

Is this Mechanical Horsepower to Kilowatt converter free?

Yes, completely free with no signup, no limits, and no ads in the converter widget. You can convert as many values as you need. The tool runs entirely in your browser, so your data never leaves your device.

Can I convert kilowatts back to mechanical horsepowers?

Yes. Click the 'Swap Units' button to reverse the direction. You can also use the dropdown menus to select any other power unit for either field.

How accurate is the hp to kW conversion?

The converter uses high-precision conversion factors (up to 8 decimal places). Results are displayed with up to 6 decimal places, with trailing zeros removed for readability. For scientific or engineering work, always verify with official standards.