Online Power Units Converter
How to Convert from Joule/hour [J/h] to Hectowatt [hW]

How to Convert from Joule/hour [J/h] to Hectowatt [hW]

Learn how to convert power measurements from joule per hour (J/h) to hectowatt (hW). This guide explains the units, their uses, conversion rate, and practical examples.

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Joule/hour [J/h] to Hectowatt [hW] Conversion Table

Joule/hour [J/h] 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.
Joule/hour [J/h] to Hectowatt [hW] Conversion Table
Joule/hour [J/h] Hectowatt [hW]

Explore More Power Units Converter

  1. How to convert from watt [W] to joule/hour [J/h]?
  2. How to convert from joule/hour [J/h] to watt [W]?
  3. How to convert from exawatt [EW] to joule/hour [J/h]?
  4. How to convert from joule/hour [J/h] to exawatt [EW]?
  5. How to convert from petawatt [PW] to joule/hour [J/h]?
  6. How to convert from joule/hour [J/h] to petawatt [PW]?
  7. How to convert from terawatt [TW] to joule/hour [J/h]?
  8. How to convert from joule/hour [J/h] to terawatt [TW]?
  9. How to convert from gigawatt [GW] to joule/hour [J/h]?
  10. How to convert from joule/hour [J/h] to gigawatt [GW]?
  11. How to convert from megawatt [MW] to joule/hour [J/h]?
  12. How to convert from joule/hour [J/h] to megawatt [MW]?
  13. How to convert from kilowatt [kW] to joule/hour [J/h]?
  14. How to convert from joule/hour [J/h] to kilowatt [kW]?
  15. How to convert from hectowatt [hW] to joule/hour [J/h]?
  16. How to convert from joule/hour [J/h] to hectowatt [hW]?
  17. How to convert from dekawatt [daW] to joule/hour [J/h]?
  18. How to convert from joule/hour [J/h] to dekawatt [daW]?
  19. How to convert from deciwatt [dW] to joule/hour [J/h]?
  20. How to convert from joule/hour [J/h] to deciwatt [dW]?
  21. How to convert from centiwatt [cW] to joule/hour [J/h]?
  22. How to convert from joule/hour [J/h] to centiwatt [cW]?
  23. How to convert from milliwatt [mW] to joule/hour [J/h]?
  24. How to convert from joule/hour [J/h] to milliwatt [mW]?
  25. How to convert from microwatt [µW] to joule/hour [J/h]?
  26. How to convert from joule/hour [J/h] to microwatt [µW]?
  27. How to convert from nanowatt [nW] to joule/hour [J/h]?
  28. How to convert from joule/hour [J/h] to nanowatt [nW]?
  29. How to convert from picowatt [pW] to joule/hour [J/h]?
  30. How to convert from joule/hour [J/h] to picowatt [pW]?
  31. How to convert from femtowatt [fW] to joule/hour [J/h]?
  32. How to convert from joule/hour [J/h] to femtowatt [fW]?
  33. How to convert from attowatt [aW] to joule/hour [J/h]?
  34. How to convert from joule/hour [J/h] to attowatt [aW]?
  35. How to convert from horsepower [hp, hp (UK)] to joule/hour [J/h]?
  36. How to convert from joule/hour [J/h] to horsepower [hp, hp (UK)]?
  37. How to convert from horsepower (550 ft*lbf/s) to joule/hour [J/h]?
  38. How to convert from joule/hour [J/h] to horsepower (550 ft*lbf/s)?
  39. How to convert from horsepower (metric) to joule/hour [J/h]?
  40. How to convert from joule/hour [J/h] to horsepower (metric)?
  41. How to convert from horsepower (boiler) to joule/hour [J/h]?
  42. How to convert from joule/hour [J/h] to horsepower (boiler)?
  43. How to convert from horsepower (electric) to joule/hour [J/h]?
  44. How to convert from joule/hour [J/h] to horsepower (electric)?
  45. How to convert from horsepower (water) to joule/hour [J/h]?
  46. How to convert from joule/hour [J/h] to horsepower (water)?
  47. How to convert from pferdestarke (ps) to joule/hour [J/h]?
  48. How to convert from joule/hour [J/h] to pferdestarke (ps)?
  49. How to convert from Btu (IT)/hour [Btu/h] to joule/hour [J/h]?
  50. How to convert from joule/hour [J/h] to Btu (IT)/hour [Btu/h]?
  51. How to convert from Btu (IT)/minute [Btu/min] to joule/hour [J/h]?
  52. How to convert from joule/hour [J/h] to Btu (IT)/minute [Btu/min]?
  53. How to convert from Btu (IT)/second [Btu/s] to joule/hour [J/h]?
  54. How to convert from joule/hour [J/h] to Btu (IT)/second [Btu/s]?
  55. How to convert from Btu (th)/hour [Btu (th)/h] to joule/hour [J/h]?
  56. How to convert from joule/hour [J/h] to Btu (th)/hour [Btu (th)/h]?
  57. How to convert from Btu (th)/minute to joule/hour [J/h]?
  58. How to convert from joule/hour [J/h] to Btu (th)/minute?
  59. How to convert from Btu (th)/second [Btu (th)/s] to joule/hour [J/h]?
  60. How to convert from joule/hour [J/h] to Btu (th)/second [Btu (th)/s]?
  61. How to convert from MBtu (IT)/hour [MBtu/h] to joule/hour [J/h]?
  62. How to convert from joule/hour [J/h] to MBtu (IT)/hour [MBtu/h]?
  63. How to convert from MBH to joule/hour [J/h]?
  64. How to convert from joule/hour [J/h] to MBH?
  65. How to convert from ton (refrigeration) to joule/hour [J/h]?
  66. How to convert from joule/hour [J/h] to ton (refrigeration)?
  67. How to convert from kilocalorie (IT)/hour [kcal/h] to joule/hour [J/h]?
  68. How to convert from joule/hour [J/h] to kilocalorie (IT)/hour [kcal/h]?
  69. How to convert from kilocalorie (IT)/minute to joule/hour [J/h]?
  70. How to convert from joule/hour [J/h] to kilocalorie (IT)/minute?
  71. How to convert from kilocalorie (IT)/second to joule/hour [J/h]?
  72. How to convert from joule/hour [J/h] to kilocalorie (IT)/second?
  73. How to convert from kilocalorie (th)/hour to joule/hour [J/h]?
  74. How to convert from joule/hour [J/h] to kilocalorie (th)/hour?
  75. How to convert from kilocalorie (th)/minute to joule/hour [J/h]?
  76. How to convert from joule/hour [J/h] to kilocalorie (th)/minute?
  77. How to convert from kilocalorie (th)/second to joule/hour [J/h]?
  78. How to convert from joule/hour [J/h] to kilocalorie (th)/second?
  79. How to convert from calorie (IT)/hour [cal/h] to joule/hour [J/h]?
  80. How to convert from joule/hour [J/h] to calorie (IT)/hour [cal/h]?
  81. How to convert from calorie (IT)/minute [cal/min] to joule/hour [J/h]?
  82. How to convert from joule/hour [J/h] to calorie (IT)/minute [cal/min]?
  83. How to convert from calorie (IT)/second [cal/s] to joule/hour [J/h]?
  84. How to convert from joule/hour [J/h] to calorie (IT)/second [cal/s]?
  85. How to convert from calorie (th)/hour [cal (th)/h] to joule/hour [J/h]?
  86. How to convert from joule/hour [J/h] to calorie (th)/hour [cal (th)/h]?
  87. How to convert from calorie (th)/minute to joule/hour [J/h]?
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  89. How to convert from calorie (th)/second to joule/hour [J/h]?
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  91. How to convert from foot pound-force/hour to joule/hour [J/h]?
  92. How to convert from joule/hour [J/h] to foot pound-force/hour?
  93. How to convert from foot pound-force/minute to joule/hour [J/h]?
  94. How to convert from joule/hour [J/h] to foot pound-force/minute?
  95. How to convert from foot pound-force/second to joule/hour [J/h]?
  96. How to convert from joule/hour [J/h] to foot pound-force/second?
  97. How to convert from pound-foot/hour [lbf*ft/h] to joule/hour [J/h]?
  98. How to convert from joule/hour [J/h] to pound-foot/hour [lbf*ft/h]?
  99. How to convert from pound-foot/minute to joule/hour [J/h]?
  100. How to convert from joule/hour [J/h] to pound-foot/minute?
  101. How to convert from pound-foot/second to joule/hour [J/h]?
  102. How to convert from joule/hour [J/h] to pound-foot/second?
  103. How to convert from erg/second [erg/s] to joule/hour [J/h]?
  104. How to convert from joule/hour [J/h] to erg/second [erg/s]?
  105. How to convert from kilovolt ampere [kV*A] to joule/hour [J/h]?
  106. How to convert from joule/hour [J/h] to kilovolt ampere [kV*A]?
  107. How to convert from volt ampere [V*A] to joule/hour [J/h]?
  108. How to convert from joule/hour [J/h] to volt ampere [V*A]?
  109. How to convert from newton meter/second to joule/hour [J/h]?
  110. How to convert from joule/hour [J/h] to newton meter/second?
  111. How to convert from joule/second [J/s] to joule/hour [J/h]?
  112. How to convert from joule/hour [J/h] to joule/second [J/s]?
  113. How to convert from exajoule/second [EJ/s] to joule/hour [J/h]?
  114. How to convert from joule/hour [J/h] to exajoule/second [EJ/s]?
  115. How to convert from petajoule/second [PJ/s] to joule/hour [J/h]?
  116. How to convert from joule/hour [J/h] to petajoule/second [PJ/s]?
  117. How to convert from terajoule/second [TJ/s] to joule/hour [J/h]?
  118. How to convert from joule/hour [J/h] to terajoule/second [TJ/s]?
  119. How to convert from gigajoule/second [GJ/s] to joule/hour [J/h]?
  120. How to convert from joule/hour [J/h] to gigajoule/second [GJ/s]?
  121. How to convert from megajoule/second [MJ/s] to joule/hour [J/h]?
  122. How to convert from joule/hour [J/h] to megajoule/second [MJ/s]?
  123. How to convert from kilojoule/second [kJ/s] to joule/hour [J/h]?
  124. How to convert from joule/hour [J/h] to kilojoule/second [kJ/s]?
  125. How to convert from hectojoule/second [hJ/s] to joule/hour [J/h]?
  126. How to convert from joule/hour [J/h] to hectojoule/second [hJ/s]?
  127. How to convert from dekajoule/second [daJ/s] to joule/hour [J/h]?
  128. How to convert from joule/hour [J/h] to dekajoule/second [daJ/s]?
  129. How to convert from decijoule/second [dJ/s] to joule/hour [J/h]?
  130. How to convert from joule/hour [J/h] to decijoule/second [dJ/s]?
  131. How to convert from centijoule/second [cJ/s] to joule/hour [J/h]?
  132. How to convert from joule/hour [J/h] to centijoule/second [cJ/s]?
  133. How to convert from millijoule/second [mJ/s] to joule/hour [J/h]?
  134. How to convert from joule/hour [J/h] to millijoule/second [mJ/s]?
  135. How to convert from microjoule/second [µJ/s] to joule/hour [J/h]?
  136. How to convert from joule/hour [J/h] to microjoule/second [µJ/s]?
  137. How to convert from nanojoule/second [nJ/s] to joule/hour [J/h]?
  138. How to convert from joule/hour [J/h] to nanojoule/second [nJ/s]?
  139. How to convert from picojoule/second [pJ/s] to joule/hour [J/h]?
  140. How to convert from joule/hour [J/h] to picojoule/second [pJ/s]?
  141. How to convert from femtojoule/second [fJ/s] to joule/hour [J/h]?
  142. How to convert from joule/hour [J/h] to femtojoule/second [fJ/s]?
  143. How to convert from attojoule/second [aJ/s] to joule/hour [J/h]?
  144. How to convert from joule/hour [J/h] to attojoule/second [aJ/s]?
  145. How to convert from joule/minute [J/min] to joule/hour [J/h]?
  146. How to convert from joule/hour [J/h] to joule/minute [J/min]?
  147. How to convert from kilojoule/hour [kJ/h] to joule/hour [J/h]?
  148. How to convert from joule/hour [J/h] to kilojoule/hour [kJ/h]?
  149. How to convert from kilojoule/minute [kJ/min] to joule/hour [J/h]?
  150. How to convert from joule/hour [J/h] to kilojoule/minute [kJ/min]?

What Is This Tool?

This converter allows you to translate power values given in joules per hour (J/h), a unit for very low continuous power, into hectowatts (hW), a unit commonly used to express power in hundreds of watts. It facilitates easy comparison between long-duration energy rates and more standard power ratings.

How to Use This Tool?

  • Enter the value in joule per hour (J/h) you want to convert
  • Select joule/hour as the source unit and hectowatt as the target unit
  • Click convert to see the equivalent power in hectowatts (hW)
  • Use the result for interpreting or comparing power consumption or output
  • Refer to examples provided for clarity on usage

Key Features

  • Converts power values from joule per hour to hectowatt quickly
  • Browser-based tool requiring no downloads
  • Supports accurate representation of very low power rates in practical units
  • Includes clear examples for easy understanding
  • Useful for electronics engineering and thermal experiments

Examples

  • 10 J/h is equal to 0.00002778 hW
  • 100 J/h converts to 0.00027778 hW

Common Use Cases

  • Expressing very low continuous power or standby losses of small electronic devices over hours
  • Converting long-duration energy data into instantaneous power rates for engineering calculations
  • Characterizing slow thermal losses or heat output in laboratory thermal experiments
  • Comparing low-level energy consumption with typical household device power ratings

Tips & Best Practices

  • Always confirm the time scale of power measurement when using joule/hour values
  • Use hectowatt units for easier understanding of power in tens or hundreds of watts
  • Remember that joule/hour measures average power over a long period, not instantaneous power
  • Double-check conversion results when working with very small decimal values
  • Utilize the tool to compare device power consumption effectively

Limitations

  • Joule/hour reflects power over extended times and may not show instantaneous consumption accurately
  • Hectowatt is best suited for devices with output in tens to hundreds of watts, leading to very small results from joule/hour conversions

Frequently Asked Questions

What does joule per hour measure?
Joule per hour measures power as the rate of energy transfer of one joule over one hour, representing very low continuous power.

How is hectowatt related to watts?
A hectowatt equals 100 watts and is an SI-derived unit using the prefix 'hecto' to scale watts by a factor of one hundred.

Why convert from joule/hour to hectowatt?
Conversion helps translate very low power rates measured over hours into a more practical unit to compare with typical electrical device power outputs.

Key Terminology

Joule per hour (J/h)
A power unit representing one joule of energy transferred per hour, used for very low continuous power measurements.
Hectowatt (hW)
An SI-derived power unit equal to 100 watts, commonly used to describe small household or portable equipment power ratings.
Power
The rate at which energy is transferred or converted per unit time.

Quick Knowledge Check

What unit does joule/hour (J/h) represent?
How many watts are in one hectowatt (hW)?
Why might joule/hour conversions to hectowatt yield small values?