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Power Converter · Free, instant results with formula and a full conversion table
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To convert Metric Horsepower to Watt: multiply by 735.499. 1 PS × 735.499 = 735.499 W
| Metric Horsepower (PS) | Watt (W) |
|---|---|
| 0.1 PS | 73.5499 W |
| 0.25 PS | 183.875 W |
| 0.5 PS | 367.749 W |
| 1 PS | 735.499 W |
| 2 PS | 1471 W |
| 5 PS | 3677.49 W |
| 10 PS | 7354.99 W |
| 20 PS | 14710 W |
| 25 PS | 18387.5 W |
| 50 PS | 36774.9 W |
| 100 PS | 73549.9 W |
| 250 PS | 183875 W |
| 500 PS | 367749 W |
| 1,000 PS | 735499 W |
Use our free metric horsepower to watt converter to get accurate results in under one second. This power conversion tool is essential for anyone working in automotive engineering, electric vehicles, electrical systems, and machinery specification. Simply enter your value above, click Convert, and see the result instantly with the exact formula shown. You can also reverse the conversion, copy the result, or adjust decimal precision.
The conversion formula is a single constant factor: 1 Metric Horsepower equals 735.499 Watt. Multiply any metric horsepower value by 735.499 to obtain the equivalent in watt. All calculations on ConvertNow use verified constants, and the table below is computed with the same factor.
Quick estimate: multiply metric horsepower by 740 instead of 735.499 — within about 0.6% of the exact result.
Each example below is worked with the exact formula, step by step — so you can check the math or adapt it to your own numbers.
| Value | Working | Result |
|---|---|---|
| 0.001 PS | 0.001 PS × 735.499 = | 0.735 W |
| 0.1 PS | 0.1 PS × 735.499 = | 73.55 W |
| 100 PS | 100 PS × 735.499 = | 73,550 W |
| 10000 PS | 10000 PS × 735.499 = | 7.35 million W |
Metric Horsepower (PS) is part of the Metric (continental European) measurement system, while Watt (W) belongs to the SI (metric) system. The difference matters because a recipe, blueprint, or technical spec written in one system will not match measurements in the other unless converted precisely. Mixing systems without conversion can lead to comparing an EV motor in kilowatts against a gasoline engine in horsepower without converting, and undersizing a generator.
Power conversions are used every day in automotive engineering, electric vehicles, electrical systems, and machinery specification. Professionals in these fields rely on fast, accurate tools because even small rounding errors multiply across large datasets or recipes. ConvertNow keeps your workflow moving with instant results, so you never have to open a spreadsheet or do manual math.
Common mistakes when converting metric horsepower to watt include confusing mechanical horsepower (hp) with metric horsepower (PS), which differ by about 1.4%, and confusing power (kW) with energy (kWh) when comparing motors and batteries, and rounding too early in the calculation. Always verify the direction of the conversion and use the swap button if you need to reverse it.
The following table shows 20 common conversion values from metric horsepower to watt for fast reference without calculator use.
| Metric Horsepower (PS) | Watt (W) |
|---|---|
| 0.1 | 73.55 |
| 0.25 | 183.875 |
| 0.5 | 367.749 |
| 0.75 | 551.624 |
| 1 | 735.499 |
| 2 | 1,471 |
| 3 | 2,206 |
| 5 | 3,677 |
| 10 | 7,355 |
| 15 | 11,032 |
| 20 | 14,710 |
| 25 | 18,387 |
| 50 | 36,775 |
| 75 | 55,162 |
| 100 | 73,550 |
| 150 | 110,325 |
| 200 | 147,100 |
| 250 | 183,875 |
| 300 | 220,650 |
| 500 | 367,749 |
There are 735.499 watt in 1 metric horsepower.
Multiply your metric horsepower value by 735.499. For quick mental math, you can round the factor to 735.5 when precision is not critical.
The Metric Horsepower is the larger unit of the two: 1 Metric Horsepower equals 735.499 Watt.
Metric Horsepower is primarily used in continental Europe, for car engine ratings (PS/CV). Watt is primarily used in science, engineering and electrical ratings worldwide.
Yes. Install ConvertNow as a Progressive Web App and perform this conversion offline. If you need currency rates, an internet connection is required because those update live.
Accurate conversion prevents costly errors in automotive engineering, electric vehicles, electrical systems, and machinery specification. Using the wrong unit can lead to comparing an EV motor in kilowatts against a gasoline engine in horsepower without converting, and undersizing a generator.
Need the opposite direction? Use the Watt to Metric Horsepower Converter to convert watt back to metric horsepower.
Browse every tool in this category on the Power Converter hub page.