Online Power Units Converter
How to Convert from Btu (th)/hour to Femtowatt

How to Convert from Btu (th)/hour to Femtowatt

Learn how to convert power values from Btu (thermochemical)/hour to femtowatt using an easy-to-use online converter designed for precise power unit translations between conventional and ultra-small scales.

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Btu (th)/hour [Btu (th)/h] to Femtowatt [fW] Conversion Table

Btu (th)/hour [Btu (th)/h] 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.
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Btu (th)/hour [Btu (th)/h] to Femtowatt [fW] Conversion Table
Btu (th)/hour [Btu (th)/h] Femtowatt [fW]

Explore More Power Units Converter

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

What Is This Tool?

This converter transforms power quantities from Btu (th)/hour, a unit commonly used in heating and cooling system evaluations, into femtowatt, an extremely small unit suited for measuring minute energy transfer rates in scientific and nanoscale applications.

How to Use This Tool?

  • Enter the power value in Btu (th)/hour in the input field
  • Select Btu (th)/hour as the source unit and femtowatt as the target unit
  • Click the convert button to get the equivalent power in femtowatt
  • Review the result, which represents the power on an ultra-small scale

Key Features

  • Converts power from thermochemical British thermal unit per hour to femtowatt
  • Supports accurate translation of large thermal power rates into extremely small power units
  • Useful for HVAC design and nanoscale device power analysis
  • Browser-based and easy to operate without specialized knowledge

Examples

  • 2 Btu (th)/hour equals 585,749,999,985,800 femtowatt
  • 0.5 Btu (th)/hour converts to 146,437,499,996,450 femtowatt

Common Use Cases

  • Sizing and rating HVAC equipment such as furnaces and air conditioners
  • Estimating heating or cooling loads for buildings
  • Analyzing received signal power in radio astronomy and microwave receivers
  • Measuring signal power in ultra-sensitive photodetectors and single-photon counters
  • Evaluating power dissipation in nanoscale and cryogenic electronic devices

Tips & Best Practices

  • Be aware of the large numerical values resulting from conversion due to unit magnitude difference
  • Ensure input values are accurate to maintain conversion reliability
  • Use the converter when bridging large-scale thermal power to extremely small signal power contexts
  • Handle results carefully in computations to avoid errors caused by very large numbers

Limitations

  • Conversions generate extremely large figures that require careful numerical handling
  • Direct practical use of this conversion is limited to specialized scientific or engineering fields
  • The significant scale gap between units means typical users rarely need this conversion

Frequently Asked Questions

What does 1 Btu (th)/hour represent?
It represents one thermochemical British thermal unit of heat transferred per hour, quantifying the rate of heating or cooling.

What types of applications use femtowatt?
Femtowatt is used to describe extremely low power levels in settings like radio astronomy, nanoscale electronics, and ultra-sensitive photodetection.

Why are conversions between Btu (th)/hour and femtowatt important?
They enable bridging the gap between large-scale thermal power measurements and ultra-small power levels useful in precise scientific and engineering analyses.

Key Terminology

Btu (th)/hour
A unit of power equal to one thermochemical British thermal unit transferred per hour, commonly used in heating and cooling applications.
Femtowatt (fW)
An SI derived unit of power equal to 10⁻¹⁵ watts, used to quantify extremely small power levels in sensitive scientific instruments.

Quick Knowledge Check

Which unit measures very small rates of power transfer?
What is a common use for Btu (th)/hour?
Why must conversions between Btu (th)/hour and femtowatt be handled carefully?