Horsepower to kilowatt calculator

Alternative name: Convert horsepower (hp) to kilowatt (kw)

You can use this calculator if you want to convert from horsepower to kilowatts. A typical use for this calculator is if you want to know how many kilowatts a car engine is, but you only know the number of horsepower. Similarly, this horsepower calculator can also be used for electric motors.

If you select an option that has the same underlying value as another option, both (all) will be marked.


Kilowatt: 85.79

Our calculations

At Calculatorian, we are keen to share our knowledge, be transparent and open to feedback. Here are the calculations used to create this calculator. If you find an error or deficiency, contact us and we'll fix it in an instant!

Kilowatt was calculated like this:

Variables used in this formula

hp = Horsepower

Depending on your choice when selecting type of horsepower a constant is applied as the variable hpt in the formula.

Type of horsepowerhpt
Mechanical or hydraulic horsepower0.745699872
Electrical horsepower0.746
Metric horsepower0.73549875