Watts as the base
Every supported unit is converted through watts.
Horsepower definition
Mechanical horsepower is treated as approximately 745.6998716 watts using the standard mechanical definition.
Power is a rate
Power describes the rate of energy transfer. It should not be confused with energy units such as joules or kilowatt-hours.
Frequently asked questions
Does conversion happen in my browser?
Yes. These value conversions run in the browser and do not require an account.
Should I verify a critical conversion?
Yes. For engineering, laboratory, medical, financial, legal, or safety-critical work, verify the unit definition and result against an authoritative standard for your context.