Metric Horsepower to Mechanical Horsepower Converter
Convert metric horsepower (PS) to mechanical horsepower (hp) with the calculator below. Enter a value in either field for an instant result.
10 PS equals 9.863200706 hp.
Metric Horsepower to Mechanical Horsepower Conversion Table
Use these common values as a quick reference.
| Metric Horsepower (PS) | Mechanical Horsepower (hp) |
|---|---|
| 0.01 PS | 0.009863200706 hp |
| 0.1 PS | 0.09863200706 hp |
| 1 PS | 0.9863200706 hp |
| 2 PS | 1.972640141 hp |
| 5 PS | 4.931600353 hp |
| 10 PS | 9.863200706 hp |
| 20 PS | 19.72640141 hp |
| 50 PS | 49.31600353 hp |
| 100 PS | 98.63200706 hp |
| 1000 PS | 986.3200706 hp |
How to Convert Metric Horsepower to Mechanical Horsepower
Conversion: 1 PS = 0.9863200706 hp.
Formula: mechanical horsepower = metric horsepower × 0.9863200706
- Enter the metric horsepower value.
- Apply the conversion formula shown above.
- Round the result only as much as your use requires.
Example: 10 PS = 9.863200706 hp.
Understanding the Metric Horsepower to Mechanical Horsepower Conversion
One metric horsepower equals 0.9863200706 hp. Because this factor is less than one, the numerical value usually becomes smaller when converting from PS to hp, 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.
Metric Horsepower is commonly used for European vehicle and machinery ratings, while Mechanical Horsepower is commonly used for engines, motors and machinery. Converting between them makes measurements easier to compare without changing the quantity being described.
Worked Metric Horsepower to Mechanical Horsepower Examples
These examples show how the conversion works for several practical values.
- 0.5 PS: 0.5 × 0.9863200706 = 0.4931600353 hp.
- 3 PS: 3 × 0.9863200706 = 2.958960212 hp.
- 25 PS: 25 × 0.9863200706 = 24.65800177 hp.
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 mechanical 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
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.
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.
Frequently Asked Questions
How many mechanical horsepower are in one metric horsepower?
One metric horsepower is 0.9863200706 hp. The calculator uses this relationship for every value entered.
What is the reverse mechanical horsepower to metric horsepower conversion?
One mechanical horsepower equals 1.013869665 PS. 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 metric horsepower to mechanical 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 hp and back to PS should return the original measurement, apart from normal display rounding.