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Horsepower to Metric Horsepower Converter

Enter the power in horsepower below to convert it to metric horsepower.

Convert Horsepower (hp) to Metric Horsepower

Enter a value in horsepower (hp) (hp) to convert to metric horsepower (PS).

Result
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202.773933085metric horsepower
200 hp = 202.773933085 PS
Result updates automatically
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Suggested Conversions
Reference:NIST SP 811 (NIST SP 811 App. B.9 (Power & Radiant Flux))
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Horsepower to Horsepower Conversion Table

Table showing various horsepower measurements converted to metric horsepower. Click any preset value or arrow to load it into the converter.

How to Convert Horsepower to Metric Horsepower

To convert horsepower to metric horsepower, multiply the power by the following conversion ratio: 1.0138697 metric horsepower/horsepower.

Since one horsepower is equal to 1.0138697 metric horsepower, you can use this simple formula to convert:

metric horsepower = horsepower × 1.0138697

The power in metric horsepower is equal to the power in horsepower multiplied by 1.0138697.

For example, here's how to convert 200 horsepower to metric horsepower using the formula above.

metric horsepower = (200 hp × 1.0138697) = 202.7739331 PS

How Many Metric Horsepower Are in a Horsepower?

There are 1.0138697 metric horsepower in a horsepower, which is why we use this value in the formula above.

1 hp = 1.0138697 PS|1 PS = 0.9863201 hp

Our horsepower to horsepower calculator automatically converts your power measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Horsepower and metric horsepower are both units used to measure power. Keep reading to learn more about each unit.

What Is a Horsepower?

A horsepower is a unit of power equal to 745.6998716 watts (W), the base unit for power. Imperial mechanical horsepower (550 ft·lbf/s ≈ 745.7 W). [1]

The horsepower is classified as a US customary and imperial unit of power. Horsepower can be abbreviated as hp; for example, 1 horsepower can be written as 1 hp.

When working with horsepower (hp) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, horsepower (hp) are widely used across standard power applications within US customary and imperial workflows, engineering documentation, and technical data sheets.

What Is a Horsepower?

A horsepower is a unit of power equal to 735.49875 watts (W), the base unit for power. Metric horsepower (75 kgf·m/s = 735.49875 W). [2]

The horsepower is classified as a metric and SI-compatible unit of power. Metric Horsepower can be abbreviated as PS; for example, 1 horsepower can be written as 1 PS.

When working with metric horsepower (PS) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, metric horsepower (PS) are widely used across standard power applications within SI metric workflows, engineering documentation, and technical data sheets.

When converting power between horsepower (hp) and metric horsepower (PS), keep full floating-point precision (1 hp = 1.0138697 PS; 1 PS = 0.9863201 hp) during intermediate calculations and round only the final horsepower figure to match your instrument tolerance.

More Horsepower & Horsepower Conversions

Need to calculate in the opposite direction? Use our metric horsepower to horsepower (hp) converter (PS to hp) to switch your starting unit immediately. You can also explore related tools such as converting kilowatts to metric horsepower, converting horsepower (hp) to watts, or converting horsepower (hp) to kilowatts.

Frequently Asked Questions

There are 1.01387 metric horsepower (PS) in 1 horsepower (hp). Conversely, 1 horsepower (PS) is equal to 0.98632 horsepower (hp).

References

NIST · BIPM · ISO
  1. [1]
    NIST SP 811 (NIST SP 811 App. B.9 (Power & Radiant Flux))·Power Metrology Standard — Horsepower (hp) (hp) to Metric Horsepower (PS)
    NIST SP 811 Standard
  2. [2]
    NIST CUU (Derived SI Unit: Watt (W))·Unit Specifications: Horsepower (Mechanical) (hp) & Horsepower (Metric PS) (PS)
    NIST CUU Specification
  3. [3]
    BIPM (SI Brochure (9th Ed.) — Power)·Conversion Factors & Mathematical Basis (hp to PS)
    BIPM Reference
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