PS to Horsepower Converter
Quick answer: To convert PS to horsepower, multiply by 0.9863201. For example, 10 PS is 9.863201 hp. One metric horsepower equals 0.9863201 hp.
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- About the units
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- Step by step
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- Reading your result
- Mistakes
- FAQ
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- Method
Use the PS to Horsepower Converter
PS to Horsepower formula and what each symbol means
hp = PS × 0.9863201
| Symbol | Meaning |
|---|---|
| PS | Metric horsepower |
| hp | Horsepower |
PS to Horsepower examples
1 PS
1 PS × 0.9863201 = 0.9863201 hp.
10 PS
10 PS × 0.9863201 = 9.863201 hp.
100 PS
100 PS × 0.9863201 = 98.63201 hp.
PS compared with Horsepower
One hp is 1.014 times as large as one PS, so your number gets smaller when you convert PS to horsepower and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
About PS and horsepower
Metric horsepower (PS): Metric horsepower (Pferdestärke), exactly 735.49875 watts. Horsepower (hp): Mechanical horsepower, about 745.7 watts.
Where PS to horsepower 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 Horsepower step by step
- Enter the value in PS (the starting unit).
- Multiply by 0.9863201, because 1 PS = 0.9863201 hp.
- The product is the value in hp. To go back, divide by 0.9863201 or multiply by 1.01387.
Popular power conversions
How to read your PS to Horsepower result
Power is energy per time.
| PS | HORSEPOWER |
|---|---|
| 1 | 0.9863201 |
| 2 | 1.97264 |
| 5 | 4.9316 |
| 10 | 9.863201 |
| 20 | 19.7264 |
| 50 | 49.316 |
| 100 | 98.63201 |
| 1,000 | 986.3201 |
Horsepower to PS: quick table
| HORSEPOWER | PS |
|---|---|
| 1 | 1.01387 |
| 5 | 5.069348 |
| 10 | 10.1387 |
| 25 | 25.34674 |
| 50 | 50.69348 |
| 100 | 101.387 |
| 250 | 253.4674 |
| 500 | 506.9348 |
Common mistakes when calculating PS to Horsepower
- Mixing kW (power) with kWh (energy).
- Dividing when you should multiply: from PS to hp multiply by 0.9863201; from hp to PS divide by 0.9863201.
PS to Horsepower FAQ
How many hp are in 1 PS?
1 PS equals 0.9863201 hp.
How many PS are in 1 hp?
1 hp equals 1.01387 PS.
Is 1 PS = 0.9863201 hp an exact conversion?
The factor is shown rounded to 7 significant figures (0.9863201). The calculator above uses more digits.
What is a horsepower (hp)?
Mechanical horsepower, about 745.7 watts.
How can I estimate PS to horsepower in my head?
One hp is 1.014 times as large as one PS, so your number gets smaller when you convert PS to horsepower and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
What is 7 PS in horsepower?
7 PS = 6.90424 hp (since 7 × 0.9863201).
What is 40 PS in horsepower?
40 PS = 39.4528 hp (since 40 × 0.9863201).
What is 200 PS in horsepower?
200 PS = 197.264 hp (since 200 × 0.9863201).
How many decimals should I keep when converting PS to hp?
Match the precision of your original measurement. For example, 9.863201 hp rounds to 9.86 hp at 3 significant figures; keep more digits only for engineering or scientific work.
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- Watts to kW Converter
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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