Online Power Units Converter
Convert Joule/second [J/s] to Watt [W] Easily
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Convert Joule/second [J/s] to Watt [W] Easily

Use our tool to convert power units from joule per second (J/s) to watt (W) accurately and quickly. Ideal for electrical, mechanical, and thermal power conversions.

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

Joule/second [J/s] to Watt [W] Conversion Table

Joule/second [J/s] Watt [W]

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 Watt [W] Conversion Table
Joule/second [J/s] Watt [W]

Explore More Power Units Converter

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

How to Use This Tool?

  • Enter the power value in joule per second (J/s) into the input field
  • Select joule/second as the source unit and watt as the target unit
  • Click the convert button to see the result instantly
  • Review the conversion which follows 1 J/s exactly equals 1 W

Key Features

  • Converts joule/second to watt with exact equivalence
  • Supports power measurements in electrical, mechanical, and thermal contexts
  • Browser-based and easy to use
  • Displays conversion examples for quick reference
  • Ideal for professionals in engineering and energy-related fields

Examples

  • Convert 5 J/s to 5 W
  • Convert 100 J/s to 100 W

Common Use Cases

  • Determining electrical power consumption or output of devices like light bulbs
  • Calculating mechanical power delivered by engines or motors
  • Quantifying heat transfer rates in thermodynamics and HVAC systems
  • Assessing radiant power emitted by lamps and solar panels

Tips & Best Practices

  • Ensure consistent unit usage to avoid confusion among similar power or energy units
  • Use this conversion when comparing power ratings across electrical and mechanical systems
  • Check values before conversion to maintain accurate communication between different industries
  • Leverage examples to validate entered data

Limitations

  • This conversion is exact since 1 joule/second equals exactly 1 watt
  • Users must be careful to consistently apply units to prevent misunderstanding between power and other energy units
  • No conversion inaccuracies exist, but correct unit context is essential

Frequently Asked Questions

What is the relationship between joule/second and watt?
One joule per second is exactly equal to one watt, both representing the rate of energy transfer.

Can this tool be used for mechanical power conversions?
Yes, it supports mechanical power ratings including those from engines and electric motors.

Are there any conversion errors when using this tool?
No, since the units are exactly equivalent, the conversion is precise without errors.

Key Terminology

Joule per second (J/s)
An SI derived unit of power indicating the transfer of one joule of energy per second.
Watt (W)
The SI derived unit measuring power, defined as one joule of energy transferred or converted per second.
Power
The rate at which energy is transferred, produced, or consumed.

Quick Knowledge Check

What unit does 1 joule/second equal to?
Which field commonly uses watts for power ratings?
Does converting joule/second to watt involve any calculation?

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