How many watts are in a kilowatt?
Exactly 1,000 watts.
Power Converter
Convert watts, kilowatts, megawatts, and horsepower.
Calculations happen locally. We do not send your values to our server.
Example
1 mechanical horsepower is approximately 745.7 watts.
Calculation method
Power values normalize to watts before conversion to kilowatts, megawatts, or mechanical horsepower.
Important notes
Different horsepower definitions exist; this converter uses mechanical horsepower.
Frequently asked questions
Is horsepower always the same worldwide?
No. Metric and electrical horsepower differ; this tool labels and uses mechanical horsepower.
Can I convert kWh here?
No. kWh is energy, so use the Energy Converter.