Convert Watts to Metric Horsepower
W to PS · power conversion
What are watts and metric horsepower?
The watt is the SI unit of power, one joule per second. Metric horsepower (PS) is about 735.5 watts, used in European car specifications. For reference: a typical car engine makes 100–150 kW (about 134–201 hp).
How to convert watts to metric horsepower
1 W = 0.00135962 PS. To convert, multiply the number of watts by 0.00135962. For example, 5 W = 0.00679811 PS, and 20 W = 0.0271924 PS. To go the other way, multiply metric horsepower by 735.499 (since 1 PS = 735.499 W).
Watts to Metric Horsepower conversion table
| Watts (W) | Metric Horsepower (PS) |
|---|---|
| 1 | 0.00135962 |
| 10 | 0.0135962 |
| 100 | 0.135962 |
| 500 | 0.679811 |
| 1,000 | 1.35962 |
| 2,000 | 2.71924 |
| 5,000 | 6.79811 |
FAQ
What is 1 W in PS?
1 W = 0.00135962 PS. To convert any amount, multiply the number of watts by 0.00135962.
How do I convert metric horsepower back to watts?
Go the other way: 1 PS = 735.499 W, so multiply metric horsepower by 735.499 to get watts.
Is a watt bigger than a metric horsepower?
No — 1 W is the smaller unit, equal to 0.00135962 PS (it takes 735.499 W to make one PS).
Are these power conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.