Mechanical Horsepower to Metric Horsepower Converter

1 HP = 1.01386966542 hp. Type any value below for the exact metric horsepower figure.

HP
1.01386966542hp

1 HP = 1.01386966542 hp

Conversion summary

1 HP = 1.01386966542 hp

Formula
Metric Horsepower = Mechanical Horsepower × 1.01386966542
Category
Power
Units
HP → hp

1 HP in other units

Values update with the converter above. Select a row to open that conversion's detailed page.

  • Watt745.6999 W
  • Ton of Refrigeration0.2120361 TR
  • Kilowatt0.7456999 kW
  • Megawatt0.0007456999 MW
  • Metric Horsepower1.01387 hp
  • BTU per hour2,544.434 BTU/h

How do you convert mechanical horsepower to metric horsepower?

To convert mechanical horsepower to metric horsepower, multiply the number of mechanical horsepower by 1.01386966542. 1 HP = 1.01387 hp.

Conversion formula

Metric Horsepower = Mechanical Horsepower × 1.01386966542

Mechanical Horsepower to metric horsepower conversion table

Mechanical Horsepower (HP)Metric Horsepower (hp)
10 HP10.1387 hp
50 HP50.6935 hp
100 HP101.387 hp
200 HP202.774 hp
500 HP506.935 hp
1,000 HP1,013.87 hp
5,000 HP5,069.35 hp

What is Horsepower (Mechanical)?

Mechanical horsepower (HP) is the traditional Imperial/US power unit, equal to 745.7 watts — distinct from the metric horsepower (PS/CV).

Short history of Horsepower (Mechanical)

The Imperial horsepower James Watt originally defined remains in common use across the US and UK automotive and engine industries instead of metric PS/CV.

Open the Horsepower (Mechanical) unit guide

What is Metric Horsepower (PS)?

Metric horsepower (PS, CV) is a traditional unit of power used for engine output in Europe and much of the world; it equals 735.49875 watts. The mechanical horsepower (hp) used in the US and UK is slightly larger, 745.7 watts.

Short history of Metric Horsepower (PS)

Horsepower was introduced by James Watt in the 18th century to compare the output of steam engines with the work of draft horses; the metric version later became standard across the automotive industry outside the US.

Open the Metric Horsepower (PS) unit guide

Frequently asked questions

What is 1 Mechanical Horsepower in Metric Horsepower?

1 HP = 1.01386966542 hp.

How do you convert Mechanical Horsepower to Metric Horsepower?

To convert mechanical horsepower to metric horsepower, multiply the number of mechanical horsepower by 1.01386966542. 1 HP = 1.01387 hp.

Frequently asked questions

How many metric horsepower are in 1 mechanical horsepower?

1 HP = 1.01387 hp.

How do you convert mechanical horsepower to metric horsepower?

To convert mechanical horsepower to metric horsepower, multiply the number of mechanical horsepower by 1.01386966542. 1 HP = 1.01387 hp.

How many mechanical horsepower are in 1 metric horsepower?

1 hp = 0.98632 HP.

Sources

  1. BIPM: The International System of Units (SI Brochure)
  2. NIST: Guide for the Use of the International System of Units

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