Watts to Horsepower Converter
Convert watts to horsepower and back. Enter power in watts and read the result in mechanical horsepower or kilowatts.
Calculator by Toolsloft ↗- Result
- 1.341022 Horsepower (hp)
- Conversion
- 1000 Watts (W) = 1.341022 Horsepower (hp)
Convert watts to horsepower, useful for comparing motor, pump, and appliance ratings when one number is in watts and another is in horsepower. Enter the power in watts and read the mechanical horsepower, and switch the direction to convert horsepower to watts.
How this is calculated
This uses mechanical (imperial) horsepower, defined as 550 foot-pounds of force per second, which works out to 745.6998715822702 watts. The tool divides watts by that value to get horsepower and multiplies for the reverse.
How to use
- Enter the power in watts.
- Keep watts to horsepower, or press Swap for the reverse.
- Read the result in horsepower.
Examples
- One horsepower:
745.7 W = 1 hp - A kilowatt:
1000 W = 1.341022 hp
FAQ
- How many watts are in one horsepower?
- One mechanical horsepower is about 745.7 watts. Metric horsepower (PS) is slightly less, about 735.5 watts.
- Is this mechanical or metric horsepower?
- The default result is mechanical horsepower, the common US value. Metric horsepower (PS) is available in the unit list if you need it.