PS to Watts Converter
Quick answer: To convert PS to watts, multiply by 735.4987. For example, 10 PS is 7,354.987 W. One metric horsepower equals 735.4987 W.
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Use the PS to Watts Converter
PS to Watts formula and what each symbol means
W = PS × 735.4987
| Symbol | Meaning |
|---|---|
| PS | Metric horsepower |
| W | Watt |
PS to Watts examples
1 PS
1 PS × 735.4987 = 735.4987 W.
10 PS
10 PS × 735.4987 = 7,354.987 W.
100 PS
100 PS × 735.4987 = 73,549.88 W.
PS compared with Watts
One PS is 735.5 times as large as one W, so your number gets bigger when you convert PS to watts and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About PS and watts
Metric horsepower (PS): Metric horsepower (Pferdestärke), exactly 735.49875 watts. Watt (W): The SI unit of power, one joule per second.
Where PS to watts conversions are used
Appliances and chargers list their draw in watts, while air conditioners may quote BTU per hour. Power stations and the grid are described in megawatts and gigawatts.
How to calculate PS to Watts step by step
- Enter the value in PS (the starting unit).
- Multiply by 735.4987, because 1 PS = 735.4987 W.
- The product is the value in W. To go back, divide by 735.4987 or multiply by 0.001359622.
Popular power conversions
How to read your PS to Watts result
Quick estimate: multiply by about 740 to get watts from PS; this is within 0.7% of the exact factor. Power is energy per time.
| PS | WATTS |
|---|---|
| 1 | 735.4987 |
| 2 | 1,470.997 |
| 5 | 3,677.494 |
| 10 | 7,354.987 |
| 20 | 14,709.97 |
| 50 | 36,774.94 |
| 100 | 73,549.88 |
| 1,000 | 735,498.8 |
Watts to PS: quick table
| WATTS | PS |
|---|---|
| 1 | 0.001359622 |
| 5 | 0.006798108 |
| 10 | 0.01359622 |
| 25 | 0.03399054 |
| 50 | 0.06798108 |
| 100 | 0.1359622 |
| 250 | 0.3399054 |
| 500 | 0.6798108 |
Common mistakes when calculating PS to Watts
- Mixing kW (power) with kWh (energy).
- Dividing when you should multiply: from PS to W multiply by 735.4987; from W to PS divide by 735.4987.
PS to Watts FAQ
How many W are in 1 PS?
1 PS equals 735.4987 W.
How many PS are in 1 W?
1 W equals 0.001359622 PS.
Is 1 PS = 735.4987 W an exact conversion?
The factor is shown rounded to 7 significant figures (735.4987). The calculator above uses more digits.
What is a metric horsepower (PS)?
Metric horsepower (Pferdestärke), exactly 735.49875 watts.
How can I estimate PS to watts in my head?
Quick estimate: multiply by about 740 to get watts from PS; this is within 0.7% of the exact factor.
What is 75 PS in watts?
75 PS = 55,162.41 W (since 75 × 735.4987).
What is 300 PS in watts?
300 PS = 220,649.6 W (since 300 × 735.4987).
What is 12 PS in watts?
12 PS = 8,825.985 W (since 12 × 735.4987).
How many decimals should I keep when converting PS to W?
Match the precision of your original measurement. For example, 7,354.987 W rounds to 7,350 W at 3 significant figures; keep more digits only for engineering or scientific work.
More in Power converters
- Watts to kW Converter
- PS to Horsepower Converter
- Watts to MW Converter
- PS to BTU per Hour Converter
- BTU per Hour to Horsepower Converter
- MW to Watts Converter
See all power converters tools · All Conversion calculators · Site map
Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors