Power Converter
Convert instantly between watt, kilowatt, megawatt, gigawatt and horsepower (hp, PS). Handy for engine power and electrical calculations.
All conversions — 1 GW
Megawatt (MW)1,000
Kilowatt (kW)1,000,000
Watt (W)1,000,000,000
Horsepower (hp) (hp)1,341,022.0888
Metric HP (PS) (PS)1,359,621.6173
About
The power converter lets you convert the power of motors and devices between units. Converting between kilowatts (kW) and horsepower (hp or metric PS) is especially common for vehicle engines.
Mechanical horsepower (hp) is 745.7 W and metric horsepower (PS) is 735.5 W. The calculation runs instantly in your browser; your data is never sent out.
How to use
- Enter the power value you want to convert.
- Pick the source unit (e.g. kilowatt) and the target unit (e.g. horsepower).
- The result and all unit equivalents are listed instantly.
Frequently Asked Questions
- How many horsepower is 1 kW?
- 1 kW is about 1.341 hp (mechanical) or 1.360 PS (metric).
- What's the difference between hp and PS?
- hp is imperial/US horsepower (745.7 W) while PS is metric (European) horsepower (735.5 W); there's a small difference between them.