Online Power Units Converter
How to Convert Horsepower (Water) to Hectowatt [hW]
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How to Convert Horsepower (Water) to Hectowatt [hW]

Learn how to convert power measurements from horsepower (water) to hectowatt [hW], understand practical applications, and explore examples relevant to irrigation, municipal systems, and micro-hydropower.

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Horsepower (water) to Hectowatt [hW] Conversion Table

Horsepower (water) Hectowatt [hW]

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 (water) to Hectowatt [hW] Conversion Table
Horsepower (water) Hectowatt [hW]

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  11. How to convert from megawatt [MW] to horsepower (water)?
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  13. How to convert from kilowatt [kW] to horsepower (water)?
  14. How to convert from horsepower (water) to kilowatt [kW]?
  15. How to convert from hectowatt [hW] to horsepower (water)?
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  17. How to convert from dekawatt [daW] to horsepower (water)?
  18. How to convert from horsepower (water) to dekawatt [daW]?
  19. How to convert from deciwatt [dW] to horsepower (water)?
  20. How to convert from horsepower (water) to deciwatt [dW]?
  21. How to convert from centiwatt [cW] to horsepower (water)?
  22. How to convert from horsepower (water) to centiwatt [cW]?
  23. How to convert from milliwatt [mW] to horsepower (water)?
  24. How to convert from horsepower (water) to milliwatt [mW]?
  25. How to convert from microwatt [µW] to horsepower (water)?
  26. How to convert from horsepower (water) to microwatt [µW]?
  27. How to convert from nanowatt [nW] to horsepower (water)?
  28. How to convert from horsepower (water) to nanowatt [nW]?
  29. How to convert from picowatt [pW] to horsepower (water)?
  30. How to convert from horsepower (water) to picowatt [pW]?
  31. How to convert from femtowatt [fW] to horsepower (water)?
  32. How to convert from horsepower (water) to femtowatt [fW]?
  33. How to convert from attowatt [aW] to horsepower (water)?
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  35. How to convert from horsepower [hp, hp (UK)] to horsepower (water)?
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  45. How to convert from pferdestarke (ps) to horsepower (water)?
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  47. How to convert from Btu (IT)/hour [Btu/h] to horsepower (water)?
  48. How to convert from horsepower (water) to Btu (IT)/hour [Btu/h]?
  49. How to convert from Btu (IT)/minute [Btu/min] to horsepower (water)?
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  53. How to convert from Btu (th)/hour [Btu (th)/h] to horsepower (water)?
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  57. How to convert from Btu (th)/second [Btu (th)/s] to horsepower (water)?
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  59. How to convert from MBtu (IT)/hour [MBtu/h] to horsepower (water)?
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  90. How to convert from horsepower (water) to foot pound-force/hour?
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  92. How to convert from horsepower (water) to foot pound-force/minute?
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  110. How to convert from horsepower (water) to joule/second [J/s]?
  111. How to convert from exajoule/second [EJ/s] to horsepower (water)?
  112. How to convert from horsepower (water) to exajoule/second [EJ/s]?
  113. How to convert from petajoule/second [PJ/s] to horsepower (water)?
  114. How to convert from horsepower (water) to petajoule/second [PJ/s]?
  115. How to convert from terajoule/second [TJ/s] to horsepower (water)?
  116. How to convert from horsepower (water) to terajoule/second [TJ/s]?
  117. How to convert from gigajoule/second [GJ/s] to horsepower (water)?
  118. How to convert from horsepower (water) to gigajoule/second [GJ/s]?
  119. How to convert from megajoule/second [MJ/s] to horsepower (water)?
  120. How to convert from horsepower (water) to megajoule/second [MJ/s]?
  121. How to convert from kilojoule/second [kJ/s] to horsepower (water)?
  122. How to convert from horsepower (water) to kilojoule/second [kJ/s]?
  123. How to convert from hectojoule/second [hJ/s] to horsepower (water)?
  124. How to convert from horsepower (water) to hectojoule/second [hJ/s]?
  125. How to convert from dekajoule/second [daJ/s] to horsepower (water)?
  126. How to convert from horsepower (water) to dekajoule/second [daJ/s]?
  127. How to convert from decijoule/second [dJ/s] to horsepower (water)?
  128. How to convert from horsepower (water) to decijoule/second [dJ/s]?
  129. How to convert from centijoule/second [cJ/s] to horsepower (water)?
  130. How to convert from horsepower (water) to centijoule/second [cJ/s]?
  131. How to convert from millijoule/second [mJ/s] to horsepower (water)?
  132. How to convert from horsepower (water) to millijoule/second [mJ/s]?
  133. How to convert from microjoule/second [µJ/s] to horsepower (water)?
  134. How to convert from horsepower (water) to microjoule/second [µJ/s]?
  135. How to convert from nanojoule/second [nJ/s] to horsepower (water)?
  136. How to convert from horsepower (water) to nanojoule/second [nJ/s]?
  137. How to convert from picojoule/second [pJ/s] to horsepower (water)?
  138. How to convert from horsepower (water) to picojoule/second [pJ/s]?
  139. How to convert from femtojoule/second [fJ/s] to horsepower (water)?
  140. How to convert from horsepower (water) to femtojoule/second [fJ/s]?
  141. How to convert from attojoule/second [aJ/s] to horsepower (water)?
  142. How to convert from horsepower (water) to attojoule/second [aJ/s]?
  143. How to convert from joule/hour [J/h] to horsepower (water)?
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  145. How to convert from joule/minute [J/min] to horsepower (water)?
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  147. How to convert from kilojoule/hour [kJ/h] to horsepower (water)?
  148. How to convert from horsepower (water) to kilojoule/hour [kJ/h]?
  149. How to convert from kilojoule/minute [kJ/min] to horsepower (water)?
  150. How to convert from horsepower (water) to kilojoule/minute [kJ/min]?

What Is This Tool?

This unit converter tool allows users to translate power values measured in horsepower (water), a mechanical power unit related to water movement, into hectowatts (hW), an SI-derived electrical power unit equal to 100 watts. It is designed to assist engineers, technicians, and hobbyists in comparing hydraulic power with standard electrical power outputs.

How to Use This Tool?

  • Enter the value in horsepower (water) that you want to convert.
  • Select horsepower (water) as the input power unit if not already chosen.
  • Choose hectowatt [hW] as the target power unit.
  • Click the convert button to see the equivalent value in hectowatts.
  • Use the results to aid in pump sizing, power estimation, or equipment rating.

Key Features

  • Converts horsepower (water) — theoretical power linked to water flow and head — into hectowatt, an SI-derived power unit.
  • Based on a precise conversion rate: 1 horsepower (water) equals 7.46043 hectowatt.
  • Supports use cases in irrigation, municipal water supply, HVAC, and micro-hydropower.
  • Displays examples to help users understand the conversion outputs.
  • Browser-based and easy to use without the need for complex calculations.

Examples

  • 1 horsepower (water) converts to 7.46043 hectowatt [hW].
  • 2 horsepower (water) converts to 14.92086 hectowatt [hW].

Common Use Cases

  • Sizing and selecting pumps for irrigation and municipal water distribution.
  • Estimating hydraulic power available from low-head water sources for micro-hydropower turbines.
  • Calculating the motor power required to deliver specified water flow and head in piping systems.
  • Comparing practical hydraulic power with electrical power ratings for pumps and motors.

Tips & Best Practices

  • Use the tool to bridge hydraulic mechanical power calculations with standard electrical units.
  • Compare water horsepower to shaft or brake horsepower to estimate pump efficiency.
  • Remember that real-world power output may vary due to system losses.
  • Consider converting to watts or kilowatts for broader communication when hectowatt usage is uncommon.

Limitations

  • Water horsepower is a theoretical mechanical power based on fluid parameters, not accounting for losses.
  • Hectowatt is less widely used than watts or kilowatts, which may limit familiarity in some contexts.

Frequently Asked Questions

What does horsepower (water) measure?
Horsepower (water) measures the theoretical mechanical power involved in moving water against a certain head, based on flow rate and fluid properties.

Why convert horsepower (water) to hectowatt?
Converting to hectowatt helps translate hydraulic power estimates into a standard SI-derived unit for easier comparison with electrical power ratings.

Is hectowatt commonly used?
The hectowatt is less common than watts or kilowatts and is mainly used for smaller power outputs or specific contexts.

Key Terminology

Horsepower (water)
Theoretical mechanical power required to move a volume of water against a given head, calculated using flow, head, and fluid properties.
Hectowatt (hW)
A unit of power equal to 100 watts, used to measure energy conversion rate.
SI-derived unit
A unit derived from the International System of Units, using prefixes like hecto- to denote multiples.

Quick Knowledge Check

What is the equivalent of 1 horsepower (water) in hectowatt?
Which area commonly uses water horsepower for power estimation?
What does a hectowatt represent?

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