Horsepower to Metric Horsepower

Convert Horsepower to Metric Horsepower instantly. Quick and accurate power conversion for electrical, mechanical, and HVAC applications.

Mechanical Horsepower to Metric Horsepower Converter

This tool converts Mechanical Horsepower (hp) to Metric Horsepower (PS) instantly and accurately. Type a value and the result appears as you type — ideal for motors, appliances, HVAC equipment, and engineering work.

Both hp and PS are units of power (energy per unit of time). This converter uses the watt (W) as a common reference, so every result is precise and standards-based.

Common Applications

Engineering & Motors

Convert equipment ratings between power systems when sizing or comparing motors and machinery.

HVAC & Energy

Match heating and cooling specifications across regional standards for accurate system planning.

Education & Reference

Understand how power units relate and verify homework, spec sheets, or quick calculations.

How to Convert hp to PS

Enter the hp value

Type your number into the first input field. Results update instantly — no convert button needed.

Read the PS result

The converted value appears in the second field, formatted with thousand separators for easy reading.

Reverse or change units

Click the swap button to flip the direction, or open a unit dropdown to pick any other power unit.

Copy the result

Use the copy button next to a value to paste it into documents, spreadsheets, or spec sheets.

Practical Example

For example, 1 hp equals 1.01 PS using the factor above.

Features

Conversion Formula

To convert Mechanical Horsepower to Metric Horsepower, multiply the hp value by 1.01387:

Formula	Description
PS = hp × 1.01387	Forward — Multiply hp by the factor to get PS.
hp = PS × 0.98632	Reverse — Multiply PS by this factor to get back to hp.

Built-in Tools

Instant Conversion

Calculations run as you type with precise, standards-based factors.

Bidirectional Input

Type in either field; the other updates automatically in both directions.

Searchable Units

Open a dropdown to search and switch among all supported power units.

Quick Reference

A built-in table lists common hp-to-PS values for fast lookups.

Adjustable Precision

Use the Customize panel to set decimal places and view many units at once.

Copy & Mobile-Ready

One-tap copy and a responsive layout that works on any device.

Privacy by design: every calculation runs locally in your browser. No values are uploaded or stored anywhere.

Frequently Asked Questions

How do I convert hp to PS?

Multiply the hp value by 1.01387. For example, 1 hp = 1.01 PS.

What is the formula for hp to PS?

The formula is PS = hp × 1.01387. To convert back: hp = PS × 0.98632.

What is Mechanical Horsepower (hp)?

Mechanical horsepower used in the US and UK. Equal to 745.7 watts. Standard for rating vehicle engines and industrial motors.

What is Metric Horsepower (PS)?

German "Pferdestärke" equal to 735.5 watts. Standard unit for vehicle power ratings in Europe, Asia, and most non-US markets.

Is this converter accurate?

Yes. It uses internationally recognized conversion factors with high precision, suitable for engineering, HVAC, and automotive work.

Can I convert other power units?

Yes. Use the dropdown menus to pick from many units including Watts, Kilowatts, Megawatts, Horsepower (hp/PS), BTU/h, Tons of Refrigeration, and more.