Horsepower to watts Converter

Enter the horsepower, then press Calculate. The watts stay hidden while you type.

Press Calculate after the entries are in.

What this power conversion is for

Use this page when a measurement is written in horsepower and the next step needs watts. The number stays blank until you press Calculate, so a half-typed entry is never mistaken for the answer.

The factor

Multiply by the factor: 1 horsepower = 745.69987158 watts.

A worked example

10 horsepower are 7,456.99871582 watts. Multiply the result by the reverse factor if you want the original number back.

How to check it

Write the factor down, do the multiply on paper, and compare it with the result card. If you change a sentence on this page, edit the HTML file and reload. The form and this note live in the same file.

The reverse conversion is watts to horsepower. A nearby pair in the same units is horsepower to BTU per hour. When the converted number is the input to a job, continue with the horsepower.