watts to horsepower
Convert watt to horsepower (metric) — instant, free, with the formula shown.
1 W=0.00136 PS
How to convert watt to horsepower (metric)
To convert watt to horsepower (metric), multiply by 0.00135962:
PS = W × 0.00135962
For example, 10 W × 0.00136 = 0.013596 PS.
W to PS conversion table
| watts (W) | horsepower (PS) |
|---|---|
| 1 W | 0.00136 PS |
| 2 W | 0.002719 PS |
| 5 W | 0.006798 PS |
| 10 W | 0.013596 PS |
| 25 W | 0.033991 PS |
| 50 W | 0.067981 PS |
| 100 W | 0.135962 PS |
| 250 W | 0.339905 PS |
| 500 W | 0.679811 PS |
| 1000 W | 1.359622 PS |
Other watt conversions
Convert to horsepower (metric) from another unit
W to PS — frequently asked
How many horsepower are in 1 watt?
1 watt = 0.00136 horsepower (W × 0.00136 = PS).
What is the formula to convert watt to horsepower (metric)?
Multiply your watt value by 0.00135962 to get horsepower (metric).
How do I convert 10 watts to horsepower?
10 W = 0.013596 PS. For 100 W the answer is 0.135962 PS. Use the calculator on this page for any other value.
When to convert watt to horsepower (metric)
1Car engines (hp ↔ kW)
2Electrical appliances (W, kW)
3Air conditioning (BTU/h ↔ kW)
4Renewable energy (MW, GW)
Power conversion — common questions
How many watts in 1 horsepower?
Mechanical: 1 hp ≈ 745.7 W. Metric: 1 hp (PS) ≈ 735.5 W. The mechanical definition is standard in the US/UK; metric is used in continental Europe.
How do I convert AC BTU/h to kW?
Divide BTU/h by 3,412 (or multiply by 0.000293). A 12,000 BTU/h AC ≈ 3.52 kW of cooling power.
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