horsepower to watts
Convert horsepower (metric) to watt — instant, free, with the formula shown.
1 PS=735.49875 W
How to convert horsepower (metric) to watt
To convert horsepower (metric) to watt, multiply by 735.49875:
W = PS × 735.49875
For example, 10 PS × 735.49875 = 7354.9875 W.
PS to W conversion table
| horsepower (PS) | watts (W) |
|---|---|
| 1 PS | 735.49875 W |
| 2 PS | 1470.9975 W |
| 5 PS | 3677.49375 W |
| 10 PS | 7354.9875 W |
| 25 PS | 18387.46875 W |
| 50 PS | 36774.9375 W |
| 100 PS | 73549.875 W |
| 250 PS | 183874.6875 W |
| 500 PS | 367749.375 W |
| 1000 PS | 735498.75 W |
Other horsepower (metric) conversions
Convert to watt from another unit
PS to W — frequently asked
How many watts are in 1 horsepower (metric)?
1 horsepower (metric) = 735.49875 watts (PS × 735.49875 = W).
What is the formula to convert horsepower (metric) to watt?
Multiply your horsepower (metric) value by 735.49875 to get watt.
How do I convert 10 horsepower to watts?
10 PS = 7354.9875 W. For 100 PS the answer is 73549.875 W. Use the calculator on this page for any other value.
When to convert horsepower (metric) to watt
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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