The metric horsepower
Metric horsepower (PS in German, CV in French and Italian) is defined as exactly 75 kgf·m/s, or 735.49875 W. It is about 1.4% smaller than mechanical (imperial) horsepower, which matters for spec comparisons across markets.
Metric horsepower to Watts Converter
1 PS = 735.499 W
1 metric horsepower equals 735.499 watts. To convert metric horsepower to watts, multiply the metric horsepower value by 735.499. For quick reference: 1 PS = 735.499 W, 5 PS = 3677.49 W, 10 PS = 7354.99 W, 100 PS = 73549.9 W.
Formula
Watts = Metric horsepower × 735.499Quick
How to convert metric horsepower to watts
Take your value
Start with your value in metric horsepower.
Multiply by 735.499
Multiply the metric horsepower value by 735.499. This is the exact conversion factor from metric horsepower to watts.
Read the result
The product is your value in watts. For example, 5 PS × 735.499 = 3677.49 W.
Conversion formula
The exact factor from metric horsepower to watts is 735.499.
Watts = Metric horsepower × 735.499
Metric horsepower to Watts conversion table
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
| Metric horsepower (PS) | Watts (W) |
|---|---|
| 0.1 PS | 73.55 W |
| 0.5 PS | 367.75 W |
| 1 PS | 735.5 W |
| 2 PS | 1471 W |
| 5 PS | 3677.5 W |
| 8 PS | 5884 W |
| 10 PS | 7355 W |
| 15 PS | 11032 W |
| 20 PS | 14710 W |
| 25 PS | 18387 W |
| 30 PS | 22065 W |
| 40 PS | 29420 W |
| 50 PS | 36775 W |
| 60 PS | 44130 W |
| 75 PS | 55162 W |
| 100 PS | 73550 W |
| 125 PS | 91937 W |
| 150 PS | 110325 W |
| 200 PS | 147100 W |
| 250 PS | 183875 W |
| 300 PS | 220650 W |
| 400 PS | 294200 W |
| 500 PS | 367749 W |
| 600 PS | 441299 W |
| 750 PS | 551624 W |
| 800 PS | 588399 W |
| 1000 PS | 735499 W |
| 1200 PS | 882599 W |
| 1500 PS | 1103248 W |
| 1800 PS | 1323898 W |
| 2000 PS | 1470998 W |
| 2500 PS | 1838747 W |
| 3000 PS | 2206496 W |
| 5000 PS | 3677494 W |
| 7500 PS | 5516241 W |
| 10000 PS | 7354988 W |
| 15000 PS | 11032481 W |
| 20000 PS | 14709975 W |
| 25000 PS | 18387469 W |
| 50000 PS | 36774938 W |
| 75000 PS | 55162406 W |
| 100000 PS | 73549875 W |
| 200000 PS | 147099750 W |
| 500000 PS | 367749375 W |
| 1000000 PS | 735498750 W |
| 2000000 PS | 1470997500 W |
| 5000000 PS | 3677493750 W |
| 10000000 PS | 7354987500 W |
| 100000000 PS | 73549875000 W |
| 1000000000 PS | 735498750000 W |
Real-world reference
A car listed as 'PS' is using metric horsepower (typical in Europe and Japan). In watts, that gives you: 1 PS = 735.499 W, 10 PS = 7354.99 W, 100 PS = 73549.9 W.
Frequently asked questions
- How many watts are in 1 metric horsepower?
- 1 metric horsepower equals 735.499 watts.
- How do I convert metric horsepower to watts?
- Multiply the metric horsepower value by 735.499. So x PS × 735.499 = the equivalent in W.
- What is 5 metric horsepower in watts?
- 5 metric horsepower equals 3677.49 watts.
- What is 10 metric horsepower in watts?
- 10 metric horsepower equals 7354.99 watts.
- What is 100 metric horsepower in watts?
- 100 metric horsepower equals 73549.9 watts.
- How do I convert back from watts to metric horsepower?
- Multiply the watt value by 0.00135962. For example, 1 W = 0.00135962 PS.
- Is the metric horsepower bigger than the watt?
- Yes. 1 metric horsepower is larger than 1 watt — specifically 735.499 times larger.
- Are these conversion factors exact?
- Yes. The factor of 735.499 is derived directly from the SI definitions of metric horsepower and watt.
About the metric horsepower and the watt
The watt
The watt (W) is the SI derived unit of power, equal to one joule per second. It is the standard unit for the rated power of every electrical device and every modern engine specification outside automotive marketing.