Table
Motor HP to kW Conversion Table
Motor HP to kW Conversion Table reference with assumptions and boundary notes.
Reference boundary
Unit conversion only. Nameplate electrical input current and motor efficiency are separate checks.
Reference table
Convert common motor horsepower ratings to approximate mechanical kilowatts.
| Horsepower | Mechanical kW | Rounded kW | Use |
|---|---|---|---|
| 0.5 | 0.373 | 0.4 | Mechanical output conversion |
| 0.75 | 0.559 | 0.6 | Mechanical output conversion |
| 1 | 0.746 | 0.7 | Mechanical output conversion |
| 1.5 | 1.119 | 1.1 | Mechanical output conversion |
| 2 | 1.491 | 1.5 | Mechanical output conversion |
| 3 | 2.237 | 2.2 | Mechanical output conversion |
| 5 | 3.729 | 3.7 | Mechanical output conversion |
| 7.5 | 5.593 | 5.6 | Mechanical output conversion |
| 10 | 7.457 | 7.5 | Mechanical output conversion |
| 15 | 11.186 | 11.2 | Mechanical output conversion |
| 20 | 14.914 | 14.9 | Mechanical output conversion |
| 25 | 18.643 | 18.6 | Mechanical output conversion |
| 30 | 22.371 | 22.4 | Mechanical output conversion |
| 40 | 29.828 | 29.8 | Mechanical output conversion |
| 50 | 37.285 | 37.3 | Mechanical output conversion |
| 75 | 55.928 | 55.9 | Mechanical output conversion |
| 100 | 74.57 | 74.6 | Mechanical output conversion |
Use notes
- Use this table for preliminary reference and arithmetic checks only.
- Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.