Watts to Horsepower (W to hp) Converter
How to convert Watts To Horsepower
1 hp = 745.7 W.
To convert watts to horsepower, use the formula: 1 hp = 745.7 W. Enter any value in the input field above and the result appears instantly. Click the ⇄ button to reverse the conversion direction.
All conversions use precise mathematical constants validated against international SI standards (NIST and ISO 80000), accurate to 8 significant figures.
Frequently Asked Questions
How many Horsepower (mech)s are in one Watt?
1 hp = 745.7 W. 1 mechanical horsepower = 745.699872 watts. Used for electric motors, engines and power ratings.
What is the formula to convert Watt to Horsepower (mech)?
1 hp = 745.7 W. Multiply the Watt value by the conversion factor to get Horsepower (mech).
How do I convert Horsepower To Watts?
Use the Horsepower To Watts converter — formula: 1 hp = 745.7 W. Click the ⇄ switch button above for the reverse conversion.
Is this Watt to Horsepower (mech) converter free?
Yes — completely free, no registration required. Works instantly in your browser using precise mathematical constants validated against SI standards.