Unit Converters

Horsepower to Kilowatts Converter

Type a value in horsepower to get it in kilowatts, and see the reverse conversion.

By TheCalcTools Updated Formula checked and tested

Your numbers

Your results

Converted value
Kilowatts (kW)
—
1 hp in kW
—
Your number read as kW, in hp
—
Watts (W)
—

Horsepower to Kilowatts Converter by TheCalcTools

How the Horsepower to Kilowatts Converter works

Multiply mechanical horsepower by 0.7457 to get kilowatts.

To convert horsepower to kilowatts, multiply by 0.7456998716. The calculator shows the result to 6 significant figures; the conversion factor itself is exact for mechanical horsepower.

Quick estimate in your head: multiply hp by 0.75.

The formula

kW = hp × 0.7456998716hp = kW ÷ 0.7456998716

Worked example

Using the default values shown in the calculator:

Value in horsepower (hp)150
  1. 150 hp × 0.7456998716 = 111.855 kW.

Result:

Kilowatts (kW)111.855
1 hp in kW0.7457
Your number read as kW, in hp201.153
Watts (W)111855

Conversion table

hpkW
1 hp0.7457 kW
5 hp3.7285 kW
10 hp7.457 kW
25 hp18.6425 kW
50 hp37.285 kW
100 hp74.57 kW
150 hp111.855 kW
200 hp149.14 kW
300 hp223.71 kW
500 hp372.85 kW

Frequently asked questions

What is 1 horsepower in kilowatts?

1 horsepower (hp) equals 0.7457 kW.

Sources and further reading

Kilowatts to Horsepower ConverterType a value in kilowatts to get it in horsepower, and see the reverse conversion Power ConverterEngine, motor and air-conditioner ratings across units Watts to BTU per hour ConverterType a value in watts to get it in btu per hour, and see the reverse conversion

More in Unit Converters · All calculators

This calculator gives estimates for information only. Check important results independently before you rely on them. See our disclaimer.