Online Power Units Converter
Convert Kilojoule/hour [kJ/h] to Milliwatt [mW] Easily Online
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Convert Kilojoule/hour [kJ/h] to Milliwatt [mW] Easily Online

Use this online converter to translate power values from kilojoule per hour (kJ/h) to milliwatt (mW). Ideal for building physics, metabolic energy, electronics, and RF power calculations.

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

Kilojoule/hour [kJ/h] to Milliwatt [mW] Conversion Table

Kilojoule/hour [kJ/h] Milliwatt [mW]

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.
Kilojoule/hour [kJ/h] to Milliwatt [mW] Conversion Table
Kilojoule/hour [kJ/h] Milliwatt [mW]

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

What Is This Tool?

This tool converts power measurements from kilojoule per hour (kJ/h), a unit representing energy transferred per hour, into milliwatt (mW), a smaller unit of power measuring energy per second. It helps users switch between hourly and instantaneous power units for precise applications.

How to Use This Tool?

  • Enter the value in kilojoule/hour you wish to convert
  • Select the target unit, which is milliwatt (mW) in this case
  • Click the convert button to see the result instantly
  • Use the converted milliwatt value for electrical and engineering calculations

Key Features

  • Converts energy transfer rates from kJ/h to mW instantly in the browser
  • Suitable for small to moderate power measurements in various disciplines
  • Supports analyses related to building physics, metabolism, electronics, and RF devices
  • Easy-to-use interface for quick unit conversion
  • No installation required—fully web-based

Examples

  • 2 kJ/h equals approximately 555.56 mW
  • 0.5 kJ/h corresponds to about 138.89 mW

Common Use Cases

  • Expressing small heating or cooling rates in building physics scenarios
  • Reporting metabolic energy expenditure as energy per hour
  • Laboratory calorimetry where low-rate heat transfer is measured
  • Power ratings of small electronic components like LEDs and sensors
  • Specifying audio amplifier power outputs and portable music devices
  • Measuring optical and radio-frequency output power for devices such as laser diodes and Bluetooth transmitters

Tips & Best Practices

  • Ensure consistent time units when comparing or converting power values
  • Confirm steady-state conditions for accurate conversion results
  • Use converted values for interdisciplinary engineering and scientific analyses
  • Double-check input values for correct scaling between hourly and per-second power rates

Limitations

  • Kilojoule/hour represents energy transfer over an hour, while milliwatt measures instantaneous power per second, requiring care in interpretation
  • Conversion presumes steady power output; fluctuating power needs more detailed evaluation
  • Accurate use demands awareness of underlying measurement time frames and conditions

Frequently Asked Questions

Why convert kilojoule/hour to milliwatt?
Converting kJ/h to mW helps express energy transfer rates over hours into widely used electrical power units per second, facilitating interdisciplinary analysis and engineering calculations.

Is milliwatt a standard unit for measuring power?
Yes, milliwatt (mW) is one thousandth of a watt and is commonly used to express low power levels in electronics, optics, and radio-frequency applications.

Can I use this converter for fluctuating power measurements?
Since the converter assumes steady-state power, it may not accurately reflect fluctuating power conditions, which require more complex analysis.

Key Terminology

Kilojoule per hour (kJ/h)
A power unit measuring energy transfer of 1,000 joules delivered or consumed every hour used for small to moderate energy rates over hourly timescales.
Milliwatt (mW)
One thousandth of a watt, representing the rate of energy transfer equal to one joule per second, commonly used for low power electrical and optical measurements.
Steady-state power
Constant power output assumed during conversion, as opposed to fluctuating or variable power levels.

Quick Knowledge Check

What does kilojoule per hour measure?
What fraction of a watt is a milliwatt?
Which is a typical use case for converting kJ/h to mW?

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