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Online Power Units Converter

Learn how to convert from other 75 power units to watt [W]

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

What Is This Tool?

This tool allows users to convert power measurements among multiple units such as Watt, Kilowatt, Horsepower, and others. It supports a variety of power units used in electrical, mechanical, and thermal applications, providing accurate conversions with direct unit-to-unit factors.

How to Use This Tool?

  • Enter the numeric value of the power you want to convert.
  • Select the original unit from the list of supported power units.
  • Choose the target unit you want to convert to.
  • Click the convert button to see the equivalent power value instantly.

Key Features

  • Support for common and specialized power units including Watt, Kilowatt, Megawatt, Horsepower variants, BTU per hour, and more.
  • Direct conversions between units without relying on a single base unit.
  • Option to round results to preferred decimal places for ease of use.
  • Suitable for various fields including automotive, electrical engineering, HVAC, and industrial machinery.

Examples

  • Convert 1 horsepower to watts to get 745.7 watts.
  • Convert 2 kilowatts to horsepower resulting in 2.682 horsepower.

Common Use Cases

  • Comparing motor and engine power in different unit standards.
  • Calculating electrical motor power ratings across various units.
  • Converting heating and cooling power units in HVAC systems.
  • Assessing industrial equipment power requirements in compatible units.

Tips & Best Practices

  • Ensure you select the correct horsepower definition (mechanical, metric, electrical, or boiler) to get accurate results.
  • Use rounding options to simplify output numbers for practical applications.
  • Cross-check converted values especially when working with specialized units like BTU per hour or calorie per second.

Limitations

  • Multiple definitions of horsepower require choosing the correct variant for proper conversion.
  • Conversions rely on precise constants but no additional calibration or unit variation adjustments are included.

Frequently Asked Questions

What units can I convert with this power converter?
You can convert units including Watt, Kilowatt, Megawatt, Gigawatt, Milliwatt, Microwatt, multiple Horsepower types, BTU per hour, Foot-Pound per Second, Calorie per Second, and Kilocalorie per Hour.

How do I handle different types of horsepower in the tool?
The converter provides options for mechanical, metric, electrical, and boiler horsepower so be sure to select the correct type applicable to your context.

Is this converter suitable for industrial and HVAC applications?
Yes, it supports units common in industrial machinery, HVAC, electrical systems, and automotive power comparisons.

Key Terminology

Watt (W)
The SI unit of power representing one joule per second.
Horsepower (hp)
A traditional unit of power for engines and mechanical devices with multiple definitions such as mechanical, metric, electrical, and boiler horsepower.
BTU per Hour (BTU/h)
A power measurement used in heating, ventilation, and air conditioning contexts.

Quick Knowledge Check

Which unit is typically used for very large electrical grids and power plants?
What must you consider when converting horsepower values?
Which of the following is a power unit commonly used in heating and cooling systems?

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