Online Power Units Converter
How to Convert from Joule/second [J/s] to Nanowatt [nW]?
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How to Convert from Joule/second [J/s] to Nanowatt [nW]?

Learn how to convert power measurements from joule per second (J/s) to nanowatts (nW) using this easy and precise online unit converter. Perfect for electronics, photonics, and low-power device applications.

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Joule/second [J/s] to Nanowatt [nW] Conversion Table

Joule/second [J/s] Nanowatt [nW]

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 Nanowatt [nW] Conversion Table
Joule/second [J/s] Nanowatt [nW]

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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]?
  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]?
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  45. How to convert from horsepower (water) to joule/second [J/s]?
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  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]?
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  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]?
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  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]?
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  82. How to convert from joule/second [J/s] to calorie (IT)/minute [cal/min]?
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  105. How to convert from kilovolt ampere [kV*A] to joule/second [J/s]?
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  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?
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  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]?
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  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 power unit converter allows users to transform values measured in joule per second (J/s) into nanowatts (nW), helping to express power at significantly smaller scales commonly used in precision electronics and scientific measurements.

How to Use This Tool?

  • Enter the power value in joule per second (J/s) you want to convert
  • Select the desired unit to convert to, nanowatt (nW)
  • Click the convert button to see the result instantly
  • Review the converted value to understand power at smaller scales

Key Features

  • Converts power from joule per second (J/s) to nanowatt (nW) easily
  • Browser-based tool requiring no installation
  • Supports understanding very low power levels in microcontrollers, photonics, and energy harvesting
  • Provides clear numerical output for precise power conversions
  • Suitable for engineers, researchers, and electronics developers

Examples

  • 2 Joule/second (J/s) converts to 2,000,000,000 Nanowatt (nW)
  • 0.5 Joule/second (J/s) converts to 500,000,000 Nanowatt (nW)

Common Use Cases

  • Specifying electrical power consumption and output of appliances and devices
  • Describing mechanical power produced by engines, turbines, and electric motors
  • Measuring heat transfer rates in HVAC systems and thermodynamics
  • Quantifying ultra-low power consumption in microcontrollers and IoT sensors
  • Evaluating optical or electrical outputs from weak light sources and photodetectors
  • Assessing energy harvested by small photovoltaic cells and thermoelectric generators

Tips & Best Practices

  • Use the converter for small scale power measurements to avoid large numbers
  • Double-check unit selections to ensure correct conversion directions
  • Consider environmental factors that may affect measurement accuracy at low power levels
  • Apply conversion results carefully in precision electronics and instrumentation
  • Understand the limitations of very large converted values when working with high power

Limitations

  • Conversion to nanowatts produces very large numeric values for high power inputs
  • Measurement accuracy can be compromised at extremely low power due to instrument sensitivity and environmental interference

Frequently Asked Questions

What does joule per second (J/s) represent?
Joule per second (J/s) is the SI derived unit of power, measuring the rate of energy transfer or conversion, equal to one watt (W).

Why convert joule per second to nanowatt?
Converting to nanowatt allows expressing power at much smaller scales, useful for measuring very low power in sensitive electronic devices and scientific instruments.

Can this converter be used for high power levels?
While possible, conversions to nanowatt at high power yield very large numbers that may be impractical for representation.

Key Terminology

Joule per second (J/s)
An SI derived unit of power equal to one watt, representing energy transfer of one joule per second.
Nanowatt (nW)
An SI-derived unit equal to 10⁻⁹ watts, used for expressing extremely low power levels.

Quick Knowledge Check

What is the equivalent of 1 joule per second in nanowatts?
Which field commonly uses conversion from joule/second to nanowatt?
What is a common limitation when converting high power values to nanowatts?

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