Horsepower to Watts
Convert horsepower To watts
Conversion formula and examples
Calculation formula: watts ≈ horsepower × 745.7
Mechanical horsepower (hp) is used: approximately 745.7 W. Metric horsepower is a different unit.
| Source value (horsepower) | Result (watts) |
|---|---|
| 0 | ≈ 0 |
| 1 | ≈ 745.7 |
| 2 | ≈ 1,491.4 |
| 5 | ≈ 3,728.5 |
| 10 | ≈ 7,457 |
| 100 | ≈ 74,570 |
| 1,000 | ≈ 745,700 |
Table values are rounded to 10 significant digits. Use the converter above for your own value.
About this tool
Convert horsepower to Watts online. Enter a value, choose rounding and see the calculation formula and example conversion table.
Frequently asked questions
How do I convert horsepower to watts?
Enter the source value in the first field and select Convert. The heading shows the conversion direction. Use the formula and examples on this page to check the result.
How do I round the result?
Auto mode displays up to 10 decimal places. To set the precision, enable rounding and choose 1 to 10 decimal places. The example table is rounded separately for readability.