Unit Converter

Convert length, weight, temperature, and all physical units

How to Convert Horsepower to Kilowatts

One mechanical horsepower equals approximately 0.746 kilowatts. Car engine output is traditionally measured in HP, but electric vehicles and international standards use kW. This conversion is essential for comparing vehicle performance specifications.

Conversion Formula

kW = HP × 0.7457

Quick Reference Table

Horsepower	Kilowatt
1	0.7457
5	3.7285
10	7.457
50	37.285
100	74.57
150	111.86
300	223.71

How to Use the Unit Converter

The Internet Octopus Unit Converter supports 14 categories and over 100 units. Enter a value and select units to see instant conversion results.

Supported Unit Categories

Length — Millimeter, centimeter, meter, kilometer, inch, foot, yard, mile, nautical mile, and more
Weight / Mass — Milligram, gram, kilogram, ton, pound, ounce, stone, grain, and more
Volume — Milliliter, liter, gallon, quart, pint, cup, fluid ounce, tablespoon, teaspoon, and more
Area — Square meter, square kilometer, acre, hectare, pyeong, and more
Temperature — Convert between Celsius, Fahrenheit, and Kelvin
Speed — Meter/second, kilometer/hour, mile/hour, knot, foot/second, and more
Time — Millisecond, second, minute, hour, day, week, year, and more
Digital Storage — Bit, byte, KB, MB, GB, TB, PB, and KiB, MiB, GiB, TiB, and more
Pressure — Pascal, kilopascal, bar, atmosphere, PSI, mmHg, and more
Energy — Joule, kilojoule, calorie, kilocalorie, watt-hour, kilowatt-hour, BTU, electronvolt, and more
Power — Watt, kilowatt, megawatt, horsepower, and more
Angle — Degree, radian, gradian, turn, and more
Force — Newton, kilonewton, pound-force, kilogram-force, and more
Frequency — Hertz, kilohertz, megahertz, gigahertz, and more

How to Use

Enter a number in the left input field.
Select the source unit from the left dropdown.
Select the target unit from the right dropdown — only compatible units are shown.
The result appears instantly. Use the swap button to reverse the conversion.