Online Power Units Converter
How to Convert from Horsepower (metric) to Horsepower (water)?

How to Convert from Horsepower (metric) to Horsepower (water)?

Easily convert horsepower (metric) to horsepower (water) to estimate hydraulic power for water applications with this straightforward online power unit converter.

Please check your input. It must be a valid numeric value.

Horsepower (metric) to Horsepower (water) Conversion Table

Horsepower (metric) Horsepower (water)

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
Horsepower (metric) to Horsepower (water) Conversion Table
Horsepower (metric) Horsepower (water)

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  25. How to convert from microwatt [µW] to horsepower (metric)?
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  27. How to convert from nanowatt [nW] to horsepower (metric)?
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  29. How to convert from picowatt [pW] to horsepower (metric)?
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  112. How to convert from horsepower (metric) to exajoule/second [EJ/s]?
  113. How to convert from petajoule/second [PJ/s] to horsepower (metric)?
  114. How to convert from horsepower (metric) to petajoule/second [PJ/s]?
  115. How to convert from terajoule/second [TJ/s] to horsepower (metric)?
  116. How to convert from horsepower (metric) to terajoule/second [TJ/s]?
  117. How to convert from gigajoule/second [GJ/s] to horsepower (metric)?
  118. How to convert from horsepower (metric) to gigajoule/second [GJ/s]?
  119. How to convert from megajoule/second [MJ/s] to horsepower (metric)?
  120. How to convert from horsepower (metric) to megajoule/second [MJ/s]?
  121. How to convert from kilojoule/second [kJ/s] to horsepower (metric)?
  122. How to convert from horsepower (metric) to kilojoule/second [kJ/s]?
  123. How to convert from hectojoule/second [hJ/s] to horsepower (metric)?
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  125. How to convert from dekajoule/second [daJ/s] to horsepower (metric)?
  126. How to convert from horsepower (metric) to dekajoule/second [daJ/s]?
  127. How to convert from decijoule/second [dJ/s] to horsepower (metric)?
  128. How to convert from horsepower (metric) to decijoule/second [dJ/s]?
  129. How to convert from centijoule/second [cJ/s] to horsepower (metric)?
  130. How to convert from horsepower (metric) to centijoule/second [cJ/s]?
  131. How to convert from millijoule/second [mJ/s] to horsepower (metric)?
  132. How to convert from horsepower (metric) to millijoule/second [mJ/s]?
  133. How to convert from microjoule/second [µJ/s] to horsepower (metric)?
  134. How to convert from horsepower (metric) to microjoule/second [µJ/s]?
  135. How to convert from nanojoule/second [nJ/s] to horsepower (metric)?
  136. How to convert from horsepower (metric) to nanojoule/second [nJ/s]?
  137. How to convert from picojoule/second [pJ/s] to horsepower (metric)?
  138. How to convert from horsepower (metric) to picojoule/second [pJ/s]?
  139. How to convert from femtojoule/second [fJ/s] to horsepower (metric)?
  140. How to convert from horsepower (metric) to femtojoule/second [fJ/s]?
  141. How to convert from attojoule/second [aJ/s] to horsepower (metric)?
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  149. How to convert from kilojoule/minute [kJ/min] to horsepower (metric)?
  150. How to convert from horsepower (metric) to kilojoule/minute [kJ/min]?

What Is This Tool?

This tool allows you to convert power values from metric horsepower, a common mechanical power unit, to water horsepower, which represents theoretical hydraulic power used in various fluid systems.

How to Use This Tool?

  • Enter the power value in horsepower (metric) that you wish to convert.
  • Select horsepower (water) as the target unit for conversion.
  • View the converted value instantly based on the defined conversion rate.

Key Features

  • Converts power from horsepower (metric) to horsepower (water) using an exact conversion factor.
  • Supports power calculations relevant to engines, motors, and hydraulic systems.
  • Useful for pump sizing, motor selection, and performance comparisons in engineering projects.

Examples

  • Convert 5 horsepower (metric) to horsepower (water): result is 4.9293321565 horsepower (water).
  • Convert 10 horsepower (metric) to horsepower (water): result is 9.858664313 horsepower (water).

Common Use Cases

  • Estimating hydraulic power transferred in water-moving applications.
  • Selecting and sizing pumps for irrigation, municipal water, and HVAC installations.
  • Determining motor power necessary for specific flow rates and heads in piping systems.

Tips & Best Practices

  • Always consider system inefficiencies beyond theoretical power values.
  • Use the conversion to compare mechanical engine power to hydraulic power requirements.
  • Combine this conversion with additional technical data for accurate pump and motor matching.

Limitations

  • The conversion does not reflect real operational losses like mechanical inefficiency or fluid friction.
  • Water horsepower represents theoretical hydraulic power and actual needs may differ based on system design.
  • Additional parameters such as pump efficiency and fluid properties must be accounted for in practice.

Frequently Asked Questions

What is the main difference between horsepower (metric) and horsepower (water)?
Horsepower (metric) measures mechanical power output of engines or motors, while horsepower (water) denotes theoretical hydraulic power involved in moving water.

Why is this conversion important in engineering?
It helps engineers compare engine power to hydraulic power needs, which is essential in pump selection and system design involving water flow.

Does the conversion reflect actual power used in a pumping system?
No, it only provides a theoretical value; real-world losses and efficiencies must be considered separately.

Key Terminology

Horsepower (metric)
A unit of mechanical power equal to exactly 735.49875 watts used to express engine or motor output.
Horsepower (water)
Theoretical mechanical power related to moving a volume of water against a head, used mainly in hydraulic and pump systems.
Hydraulic horsepower
Another term for horsepower (water), representing power transferred in hydraulics.

Quick Knowledge Check

What does horsepower (metric) measure?
When converting horsepower (metric) to horsepower (water), what does the tool calculate?
Why should system inefficiencies be considered beyond this conversion?