Direct conversion
Convert horsepower (mechanical) [hp] to horsepower (metric) [PS] instantly with formula, examples, chart, and FAQs.
Quick answer
Use the calculator below for any custom value, then check the formula, examples, chart, and reverse conversion links.
1 horsepower (mechanical) [hp] = 1.01387 horsepower (metric) [PS]
1 horsepower (mechanical) [hp] = 1.01387 horsepower (metric) [PS]
Example: 1 horsepower (mechanical) [hp] equals 1.01387 horsepower (metric) [PS].
Power conversions use watt as the reference unit and include mechanical horsepower, electrical power, and heat-rate units.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
Mechanical horsepower is a power unit equal to about 745.7 watts.
HistoryHorsepower was popularized to compare machine output with work previously done by draft animals.
Current useHorsepower is used for engines, motors, vehicles, pumps, and equipment output ratings.
The horsepower (metric) (PS) is a power unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse horsepower (metric) when comparing power values, checking specifications, converting between systems, or preparing quick estimates.
| horsepower (mechanical) [hp] | horsepower (metric) [PS] |
|---|---|
| 1 | 1.01387 |
| 2 | 2.027739 |
| 5 | 5.069348 |
| 10 | 10.138697 |
| 20 | 20.277393 |
| 25 | 25.346742 |
| 50 | 50.693483 |
| 100 | 101.386967 |
| 1000 | 1013.869665 |
Use this formula: 1 horsepower (mechanical) [hp] = 1.01387 horsepower (metric) [PS] Enter your value in the calculator and the result updates instantly.
1 horsepower (mechanical) [hp] equals 1.01387 horsepower (metric) [PS].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.