Online Power Units Converter
How to Convert from Joule/second [J/s] to Horsepower (water)?

How to Convert from Joule/second [J/s] to Horsepower (water)?

Learn how to convert power measurements from joule per second (J/s) to water horsepower using an easy-to-use unit converter. Understand applications, formulas, and examples for hydraulic power calculations.

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Joule/second [J/s] to Horsepower (water) Conversion Table

Joule/second [J/s] 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.
Joule/second [J/s] to Horsepower (water) Conversion Table
Joule/second [J/s] Horsepower (water)

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  19. How to convert from deciwatt [dW] to joule/second [J/s]?
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  21. How to convert from centiwatt [cW] to joule/second [J/s]?
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  23. How to convert from milliwatt [mW] to joule/second [J/s]?
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  25. How to convert from microwatt [µW] to joule/second [J/s]?
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  27. How to convert from nanowatt [nW] to joule/second [J/s]?
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  29. How to convert from picowatt [pW] to joule/second [J/s]?
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  31. How to convert from femtowatt [fW] to joule/second [J/s]?
  32. How to convert from joule/second [J/s] to femtowatt [fW]?
  33. How to convert from attowatt [aW] to joule/second [J/s]?
  34. How to convert from joule/second [J/s] to attowatt [aW]?
  35. How to convert from horsepower [hp, hp (UK)] to joule/second [J/s]?
  36. How to convert from joule/second [J/s] to horsepower [hp, hp (UK)]?
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  38. How to convert from joule/second [J/s] to horsepower (550 ft*lbf/s)?
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  149. How to convert from kilojoule/minute [kJ/min] to joule/second [J/s]?
  150. How to convert from joule/second [J/s] to kilojoule/minute [kJ/min]?

What Is This Tool?

This converter allows you to transform power values measured in joule per second (J/s) into water horsepower, a unit used to quantify hydraulic power in water-moving systems. It helps relate general mechanical or electrical power units to those used specifically in fluid dynamics and water resource applications.

How to Use This Tool?

  • Enter the power value measured in joule per second (J/s) you wish to convert.
  • Select joule per second as the input unit and horsepower (water) as the output unit.
  • Click the convert button to view the equivalent power in water horsepower.
  • Review the results to understand the power equivalence in hydraulic contexts.

Key Features

  • Converts between joule per second (J/s) and water horsepower promptly.
  • Supports power measurement units applicable in electrical and hydraulic domains.
  • Simple interface for quick and accurate unit conversions.
  • Includes examples demonstrating common conversion scenarios.
  • Browser-based tool available without installation.

Examples

  • Convert 100 joule/second to horsepower (water) to get 0.13404 horsepower (water).
  • Convert 500 joule/second to horsepower (water) which equals 0.67020 horsepower (water).

Common Use Cases

  • Sizing and selecting pumps for irrigation, municipal water, and HVAC systems.
  • Estimating hydraulic power available from low-head water sources for micro-hydropower turbines.
  • Calculating motor power requirements for delivering specified flow and head in piping and pumping designs.
  • Relating electrical or mechanical power data to hydraulic power in water resource engineering.

Tips & Best Practices

  • Ensure you understand the hydraulic parameters like flow rate and head before applying conversions practically.
  • Use this conversion to compare hydraulic horsepower against other power units to assess efficiency.
  • Remember that water horsepower reflects theoretical power and actual values may vary due to system losses and pump efficiency.

Limitations

  • Water horsepower is a theoretical calculation that assumes ideal conditions.
  • Actual power requirements differ due to factors such as pump efficiency and fluid properties.
  • Converting general power units requires knowledge of hydraulic parameters to apply water horsepower accurately.

Frequently Asked Questions

What does joule per second measure?
Joule per second is the SI derived unit of power measuring the rate of energy transfer, equal to one watt.

When is water horsepower used?
Water horsepower is used to determine mechanical power needed or delivered in moving water against a head, common in pump and turbine engineering.

Is water horsepower the same as shaft horsepower?
No, water horsepower is theoretical hydraulic power, while shaft horsepower relates to mechanical power delivered by a shaft, often differing due to system efficiencies.

Key Terminology

Joule per second (J/s)
The SI derived unit of power, representing the rate of energy transfer equal to one watt.
Horsepower (water)
The theoretical mechanical power required to move water against a head, used in hydraulic engineering.
Hydraulic power
Power transferred or required in fluid movement systems such as pumps and turbines.

Quick Knowledge Check

What is equivalent to one joule per second in watts?
Water horsepower is primarily used to measure power in which application?
Which factor affects the accuracy of water horsepower calculations?