Power conversion
1 watt (W) equals 0.001359621617 metric horsepower (PS). Enter any value below to convert from W to PS.
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1 W = 0.0013596216 PS
| Unit | Value |
|---|---|
| Watt W | 1 |
| Kilowatt kW | 0.001 |
| Megawatt MW | 0.000001 |
| Milliwatt mW | 1,000 |
| Mechanical horsepower hp(I) | 0.0013410221 |
| Metric horsepower PS | 0.0013596216 |
| BTU (IT) per hour BTU/h | 3.4121416331 |
| Foot-pound per second ft·lb/s | 0.7375621493 |
Formula
Use this relationship for a direct conversion:
2 W = 0.0027192432 PS.
Horsepower type is always identified because mechanical and metric horsepower differ by about 1.4 percent.
Quick reference
| Watt (W) | Metric horsepower (PS) |
|---|---|
| 0.01 | 0.0000135962 |
| 0.1 | 0.0001359622 |
| 1 | 0.0013596216 |
| 2 | 0.0027192432 |
| 5 | 0.0067981081 |
| 10 | 0.0135962162 |
| 25 | 0.0339905404 |
| 50 | 0.0679810809 |
| 100 | 0.1359621617 |
| 1,000 | 1.3596216173 |
From unit
One joule per second.
Symbol: W
To unit
Exactly 75 kilogram-force meters per second.
Symbol: PS
Keep converting
Source
Definitions are checked against NIST SP 811: Power units. Calculations use full internal precision before display rounding.
View the complete power converterQuestions
Use the formula PS = W x 0.001359621617. 1 watt (W) equals 0.001359621617 metric horsepower (PS).
Both unit definitions use exact factors. Only the displayed decimal may be rounded.
