Convert horsepower to horsepower (water)

Please provide values below to convert horsepower [hp] to horsepower (water) [hp (water)], or Convert horsepower (water) to horsepower.

1 hp = 0.999540240978 hp (water). To convert horsepower to horsepower (water), multiply the value by 0.999540240978; to go the other way, divide by it (1 hp (water) = 1.0004599705 hp). Both units measure power and appear in everyday as well as technical calculations, so switching between them quickly is often useful.

Quick Reference

  • 1 hp = 0.999540240978 hp (water)
  • 1 hp (water) = 1.0004599705 hp
  • 10 hp = 9.99540240978 hp (water)
  • 100 hp = 99.9540240978 hp (water)



How to Convert Horsepower to Horsepower (Water)

1 hp = 0.999540240978067 hp (water)

Example: convert 15 hp to hp (water):
15 hp = 15 × 0.999540240978067 hp (water) = 14.993103614671 hp (water)


Horsepower to Horsepower (Water) Conversion Table

horsepower horsepower (water)
1 hp 0.999540240978 hp (water)
2 hp 1.99908048196 hp (water)
3 hp 2.99862072293 hp (water)
5 hp 4.99770120489 hp (water)
10 hp 9.99540240978 hp (water)
20 hp 19.9908048196 hp (water)
50 hp 49.9770120489 hp (water)
100 hp 99.9540240978 hp (water)
500 hp 499.770120489 hp (water)
1000 hp 999.540240978 hp (water)

Horsepower

Horsepower (hp) is a unit of power measurement originally developed to compare the power of engines and motors, representing the rate at which work is done or energy is transferred.

History/Origin

The term was introduced in the late 18th century by James Watt to compare the power of steam engines to draft horses. It became a standard unit in engineering and automotive industries, with its definition evolving over time from mechanical to metric standards.

Current Use

Horsepower is widely used today to rate the power output of engines, motors, and other machinery, especially in automotive, aerospace, and industrial applications. It remains a common unit for expressing engine power in many countries.


Horsepower (Water)

Horsepower (water) is a unit of power used to measure the rate of water flow or energy transfer, based on the power exerted by a water stream.

History/Origin

The water horsepower originated in the 19th century as a way to quantify the power of water wheels and turbines, with its value historically linked to the energy produced by a specific flow of water under certain conditions.

Current Use

Today, water horsepower is primarily used in hydraulic engineering and water power industries to specify the capacity of water turbines, pumps, and other hydraulic equipment.


Frequently Asked Questions

What is 1 horsepower in horsepower (water)?

1 horsepower (hp) = 0.999540240978 horsepower (water) (hp (water)).

How do you convert horsepower to horsepower (water)?

Multiply the horsepower value by 0.999540240978. For example, 25 hp × 0.999540240978 = 24.9885060245 hp (water).

What is 10 horsepower in horsepower (water)?

10 hp = 9.99540240978 hp (water).

Which unit is larger, the horsepower or the horsepower (water)?

The horsepower (water) is the larger unit: 1 hp equals only 0.999540240978 hp (water).



Convert horsepower To Other Power Units