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How to Convert from Horsepower (electric) to Femtowatt [fW]
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How to Convert from Horsepower (electric) to Femtowatt [fW]

Learn to convert electric horsepower, a power unit for motors, to femtowatt, an SI unit for extremely small power levels, with examples and practical use cases.

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Horsepower (electric) to Femtowatt [fW] Conversion Table

Horsepower (electric) Femtowatt [fW]

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.
Horsepower (electric) to Femtowatt [fW] Conversion Table
Horsepower (electric) Femtowatt [fW]

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  13. How to convert from kilowatt [kW] to horsepower (electric)?
  14. How to convert from horsepower (electric) to kilowatt [kW]?
  15. How to convert from hectowatt [hW] to horsepower (electric)?
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  17. How to convert from dekawatt [daW] to horsepower (electric)?
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  19. How to convert from deciwatt [dW] to horsepower (electric)?
  20. How to convert from horsepower (electric) to deciwatt [dW]?
  21. How to convert from centiwatt [cW] to horsepower (electric)?
  22. How to convert from horsepower (electric) to centiwatt [cW]?
  23. How to convert from milliwatt [mW] to horsepower (electric)?
  24. How to convert from horsepower (electric) to milliwatt [mW]?
  25. How to convert from microwatt [µW] to horsepower (electric)?
  26. How to convert from horsepower (electric) to microwatt [µW]?
  27. How to convert from nanowatt [nW] to horsepower (electric)?
  28. How to convert from horsepower (electric) to nanowatt [nW]?
  29. How to convert from picowatt [pW] to horsepower (electric)?
  30. How to convert from horsepower (electric) to picowatt [pW]?
  31. How to convert from femtowatt [fW] to horsepower (electric)?
  32. How to convert from horsepower (electric) to femtowatt [fW]?
  33. How to convert from attowatt [aW] to horsepower (electric)?
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  35. How to convert from horsepower [hp, hp (UK)] to horsepower (electric)?
  36. How to convert from horsepower (electric) to horsepower [hp, hp (UK)]?
  37. How to convert from horsepower (550 ft*lbf/s) to horsepower (electric)?
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  39. How to convert from horsepower (metric) to horsepower (electric)?
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  41. How to convert from horsepower (boiler) to horsepower (electric)?
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  45. How to convert from pferdestarke (ps) to horsepower (electric)?
  46. How to convert from horsepower (electric) to pferdestarke (ps)?
  47. How to convert from Btu (IT)/hour [Btu/h] to horsepower (electric)?
  48. How to convert from horsepower (electric) to Btu (IT)/hour [Btu/h]?
  49. How to convert from Btu (IT)/minute [Btu/min] to horsepower (electric)?
  50. How to convert from horsepower (electric) to Btu (IT)/minute [Btu/min]?
  51. How to convert from Btu (IT)/second [Btu/s] to horsepower (electric)?
  52. How to convert from horsepower (electric) to Btu (IT)/second [Btu/s]?
  53. How to convert from Btu (th)/hour [Btu (th)/h] to horsepower (electric)?
  54. How to convert from horsepower (electric) to Btu (th)/hour [Btu (th)/h]?
  55. How to convert from Btu (th)/minute to horsepower (electric)?
  56. How to convert from horsepower (electric) to Btu (th)/minute?
  57. How to convert from Btu (th)/second [Btu (th)/s] to horsepower (electric)?
  58. How to convert from horsepower (electric) to Btu (th)/second [Btu (th)/s]?
  59. How to convert from MBtu (IT)/hour [MBtu/h] to horsepower (electric)?
  60. How to convert from horsepower (electric) to MBtu (IT)/hour [MBtu/h]?
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  66. How to convert from horsepower (electric) to kilocalorie (IT)/hour [kcal/h]?
  67. How to convert from kilocalorie (IT)/minute to horsepower (electric)?
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  77. How to convert from calorie (IT)/hour [cal/h] to horsepower (electric)?
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  79. How to convert from calorie (IT)/minute [cal/min] to horsepower (electric)?
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  81. How to convert from calorie (IT)/second [cal/s] to horsepower (electric)?
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  83. How to convert from calorie (th)/hour [cal (th)/h] to horsepower (electric)?
  84. How to convert from horsepower (electric) to calorie (th)/hour [cal (th)/h]?
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  87. How to convert from calorie (th)/second to horsepower (electric)?
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  89. How to convert from foot pound-force/hour to horsepower (electric)?
  90. How to convert from horsepower (electric) to foot pound-force/hour?
  91. How to convert from foot pound-force/minute to horsepower (electric)?
  92. How to convert from horsepower (electric) to foot pound-force/minute?
  93. How to convert from foot pound-force/second to horsepower (electric)?
  94. How to convert from horsepower (electric) to foot pound-force/second?
  95. How to convert from pound-foot/hour [lbf*ft/h] to horsepower (electric)?
  96. How to convert from horsepower (electric) to pound-foot/hour [lbf*ft/h]?
  97. How to convert from pound-foot/minute to horsepower (electric)?
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  99. How to convert from pound-foot/second to horsepower (electric)?
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  109. How to convert from joule/second [J/s] to horsepower (electric)?
  110. How to convert from horsepower (electric) to joule/second [J/s]?
  111. How to convert from exajoule/second [EJ/s] to horsepower (electric)?
  112. How to convert from horsepower (electric) to exajoule/second [EJ/s]?
  113. How to convert from petajoule/second [PJ/s] to horsepower (electric)?
  114. How to convert from horsepower (electric) to petajoule/second [PJ/s]?
  115. How to convert from terajoule/second [TJ/s] to horsepower (electric)?
  116. How to convert from horsepower (electric) to terajoule/second [TJ/s]?
  117. How to convert from gigajoule/second [GJ/s] to horsepower (electric)?
  118. How to convert from horsepower (electric) to gigajoule/second [GJ/s]?
  119. How to convert from megajoule/second [MJ/s] to horsepower (electric)?
  120. How to convert from horsepower (electric) to megajoule/second [MJ/s]?
  121. How to convert from kilojoule/second [kJ/s] to horsepower (electric)?
  122. How to convert from horsepower (electric) to kilojoule/second [kJ/s]?
  123. How to convert from hectojoule/second [hJ/s] to horsepower (electric)?
  124. How to convert from horsepower (electric) to hectojoule/second [hJ/s]?
  125. How to convert from dekajoule/second [daJ/s] to horsepower (electric)?
  126. How to convert from horsepower (electric) to dekajoule/second [daJ/s]?
  127. How to convert from decijoule/second [dJ/s] to horsepower (electric)?
  128. How to convert from horsepower (electric) to decijoule/second [dJ/s]?
  129. How to convert from centijoule/second [cJ/s] to horsepower (electric)?
  130. How to convert from horsepower (electric) to centijoule/second [cJ/s]?
  131. How to convert from millijoule/second [mJ/s] to horsepower (electric)?
  132. How to convert from horsepower (electric) to millijoule/second [mJ/s]?
  133. How to convert from microjoule/second [µJ/s] to horsepower (electric)?
  134. How to convert from horsepower (electric) to microjoule/second [µJ/s]?
  135. How to convert from nanojoule/second [nJ/s] to horsepower (electric)?
  136. How to convert from horsepower (electric) to nanojoule/second [nJ/s]?
  137. How to convert from picojoule/second [pJ/s] to horsepower (electric)?
  138. How to convert from horsepower (electric) to picojoule/second [pJ/s]?
  139. How to convert from femtojoule/second [fJ/s] to horsepower (electric)?
  140. How to convert from horsepower (electric) to femtojoule/second [fJ/s]?
  141. How to convert from attojoule/second [aJ/s] to horsepower (electric)?
  142. How to convert from horsepower (electric) to attojoule/second [aJ/s]?
  143. How to convert from joule/hour [J/h] to horsepower (electric)?
  144. How to convert from horsepower (electric) to joule/hour [J/h]?
  145. How to convert from joule/minute [J/min] to horsepower (electric)?
  146. How to convert from horsepower (electric) to joule/minute [J/min]?
  147. How to convert from kilojoule/hour [kJ/h] to horsepower (electric)?
  148. How to convert from horsepower (electric) to kilojoule/hour [kJ/h]?
  149. How to convert from kilojoule/minute [kJ/min] to horsepower (electric)?
  150. How to convert from horsepower (electric) to kilojoule/minute [kJ/min]?

What Is This Tool?

This converter transforms power values measured in electric horsepower, commonly used for rating electric motors, into femtowatts, which quantify ultra-small power levels in scientific and nanoscale applications.

How to Use This Tool?

  • Enter the power value in electric horsepower
  • Select horsepower (electric) as the source unit
  • Choose femtowatt [fW] as the target unit
  • Click convert to view the equivalent femtowatt value

Key Features

  • Converts power values from electric horsepower to femtowatt units
  • Supports translation between industrial motor power and nanoscale scientific measurements
  • Offers quick and accurate conversion using standardized definitions
  • Includes example calculations for common values

Examples

  • 2 horsepower (electric) converts to 1.492 × 10¹⁸ femtowatt [fW]
  • 0.5 horsepower (electric) converts to 3.73 × 10¹⁷ femtowatt [fW]

Common Use Cases

  • Interpreting motor output power on nameplates and specifications
  • Sizing electrical components like motor controllers and starters
  • Converting industrial power ratings to ultra-low power scales for scientific analysis
  • Analyzing power levels in radio astronomy and ultra-sensitive photodetector systems

Tips & Best Practices

  • Use scientific notation when handling very large or very small numerical results
  • Double-check unit selections before conversion to ensure accuracy
  • Apply the converter to bridge power measurements across industrial and nanoscale applications
  • Be mindful of potential rounding when dealing with extremely large conversion factors

Limitations

  • Conversions involve extremely large numbers which may cause rounding or notation challenges
  • Accurate numerical handling is needed to maintain precision across vastly different scales

Frequently Asked Questions

What is electric horsepower used to rate?
Electric horsepower is used to rate electric motors and drives, representing mechanical work output through electric machines.

Why use femtowatt units?
Femtowatt units quantify extremely low levels of power, useful in sensitive measurements like radio astronomy and nanoscale electronics.

Is the conversion between horsepower and femtowatt exact?
The conversion is based on standardized definitions, but handling such large numbers requires careful numerical precision.

Key Terminology

Electric horsepower
A power unit exactly defined as 746 watts, used to rate electric motors and mechanical work output by electric machines.
Femtowatt (fW)
An SI derived unit of power equal to 10⁻¹⁵ watt, representing extremely low power levels in scientific and nanoscale contexts.

Quick Knowledge Check

Which unit is used to rate electric motors in common U.S. practice?
A femtowatt represents power at what scale?
Why might conversions between horsepower (electric) and femtowatt be challenging?

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