Mechanical Horsepower to Metric Horsepower Converter
Convert mechanical horsepower (hp) to metric horsepower (PS) with the calculator below. Enter a value in either field for an instant result.
10 hp equals 10.13869665 PS.
Mechanical Horsepower to Metric Horsepower Conversion Table
Use these common values as a quick reference.
| Mechanical Horsepower (hp) | Metric Horsepower (PS) |
|---|---|
| 0.01 hp | 0.01013869665 PS |
| 0.1 hp | 0.1013869665 PS |
| 1 hp | 1.013869665 PS |
| 2 hp | 2.027739331 PS |
| 5 hp | 5.069348327 PS |
| 10 hp | 10.13869665 PS |
| 20 hp | 20.27739331 PS |
| 50 hp | 50.69348327 PS |
| 100 hp | 101.3869665 PS |
| 1000 hp | 1013.869665 PS |
How to Convert Mechanical Horsepower to Metric Horsepower
Conversion: 1 hp = 1.013869665 PS.
Formula: metric horsepower = mechanical horsepower × 1.013869665
- Enter the mechanical horsepower value.
- Apply the conversion formula shown above.
- Round the result only as much as your use requires.
Example: 10 hp = 10.13869665 PS.
Understanding the Mechanical Horsepower to Metric Horsepower Conversion
One mechanical horsepower equals 1.013869665 PS. Because this factor is greater than one, the numerical value usually becomes larger when converting from hp to PS, even though the measured quantity does not change.
Power measures the rate at which energy is transferred or work is performed. Watts are the SI reference, while horsepower and BTU per hour are common for engines, motors, heating and cooling.
Mechanical Horsepower is commonly used for engines, motors and machinery, while Metric Horsepower is commonly used for European vehicle and machinery ratings. Converting between them makes measurements easier to compare without changing the quantity being described.
Worked Mechanical Horsepower to Metric Horsepower Examples
These examples show how the conversion works for several practical values.
- 0.5 hp: 0.5 × 1.013869665 = 0.5069348327 PS.
- 3 hp: 3 × 1.013869665 = 3.041608996 PS.
- 25 hp: 25 × 1.013869665 = 25.34674164 PS.
Accuracy, Precision and Rounding
Everyday Units stores each unit as a factor relative to a shared base unit—Watt. The entered value is converted to that base and then to metric horsepower.
The calculator normally shows up to ten significant digits and removes unnecessary trailing zeros. This balances accuracy with readability. If the result will be used in engineering, science, medicine, trade or another precision-sensitive setting, follow the rounding and tolerance rules required for that specific use.
Common mistakes to avoid
- Check that the selected symbols match the units shown in the source measurement.
- Do not round the conversion factor before completing the calculation.
- Keep the unit symbol beside the number so the result cannot be mistaken for another measurement.
About the Units
Mechanical Horsepower (hp)
Definition: One mechanical horsepower is equal to 745.6998716 W in the converter’s base system.
History and origin: Mechanical horsepower was developed to compare engines with draft horses.
Current use: This unit is commonly used for engines, motors and machinery.
Metric Horsepower (PS)
Definition: One metric horsepower is equal to 735.49875 W in the converter’s base system.
History and origin: Metric horsepower is based on kilogram-force meters per second.
Current use: This unit is commonly used for European vehicle and machinery ratings.
Frequently Asked Questions
How many metric horsepower are in one mechanical horsepower?
One mechanical horsepower is 1.013869665 PS. The calculator uses this relationship for every value entered.
What is the reverse metric horsepower to mechanical horsepower conversion?
One metric horsepower equals 0.9863200706 hp. Use the reverse-conversion link below to open that calculator directly.
Can I convert decimal and very small values?
Yes. Enter integers, decimals, or very small values in either field. Results use sensible precision, with scientific notation only when it improves readability.
How should I round the result?
Keep the full calculator result during intermediate work, then round once at the end. Everyday estimates may need only two or three decimal places, while technical work may require more significant digits.
Is the mechanical horsepower to metric horsepower conversion accurate?
The calculation uses the centralized conversion constant shown on this page. Everyday Units converts through the category’s base unit and keeps more precision internally than is normally needed for display.
How This Calculator Works
All calculations happen locally in your browser. No conversion request is sent to an external service. The same centralized unit definitions power the calculator, formula, examples and tables, which helps keep the figures consistent across every related page. Read our conversion methodology and sources for standards, assumptions and rounding details.
For a quick check, compare the forward and reverse relationships above: converting a value to PS and back to hp should return the original measurement, apart from normal display rounding.