Power converter
Power is how fast energy is used or produced. This converter switches between watts, kilowatts, megawatts and horsepower. It helps when comparing car engines, electric motors, generators or solar panels.
- Runs in your browser
- Free, no account needed
- Copy or download the result
Result
Example
1
1 kW = 1.3410220896 hp
How to use the power converter
- Type a power value of zero or greater, such as 1.
- Choose the starting unit in From, such as Kilowatts (kW).
- Choose the target unit in To, such as Mechanical horsepower (hp).
- Press Run for the result in the new unit. Copy result or Download it.
How it works
Supported units: watts, kilowatts, megawatts and mechanical horsepower.
Mechanical horsepower is 550 foot-pounds-force per second, about 745.7 watts.
Metric horsepower (PS), electrical horsepower and boiler horsepower are not included, so values from European car specs may differ slightly.
Negative power values give an error. For energy totals like kWh, use the energy converter.
Everything runs in your browser. Your input is not uploaded or stored.
Questions and answers
How many watts are in one horsepower?
One mechanical horsepower is about 745.7 watts.
How do I convert kW to hp?
Divide kilowatts by about 0.7457. So 1 kW is about 1.341 hp.
Is metric horsepower the same as mechanical horsepower?
No. Metric horsepower is about 735.5 watts, a bit less than mechanical horsepower. This tool uses mechanical horsepower only.
How many watts are in a kilowatt?
One kilowatt is 1,000 watts, and one megawatt is 1,000 kilowatts.