Horsepower to Watts

Tech Calculators

Convert Horsepower (hp) to Watts (W).

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Watts (W)

About This Tool

Translate engine or motor horsepower ratings into Watts. Essential for sizing electrical components or comparing mechanical outputs.

Frequently Asked Questions

The formula is: $\text{Watts} = \text{Horsepower} \times 745.7$. Simply multiply your HP rating by $745.7$ for the result in Watts.

A $100$ hp engine produces approximately $74,570$ Watts, or about $74.6$ Kilowatts.

This tool uses mechanical (imperial) horsepower ($745.7$W). Note that metric horsepower (PS) is slightly different, equal to about $735.5$W.

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