Online Power Units Converter
How to Convert from Btu (th)/hour [Btu (th)/h] to Calorie (IT)/hour [cal/h]?
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How to Convert from Btu (th)/hour [Btu (th)/h] to Calorie (IT)/hour [cal/h]?

Learn how to convert power measurements from Btu (th)/hour to calorie (IT)/hour with our easy-to-use online converter. Understand the uses, process, examples, and limitations of this conversion for HVAC, calorimetry, and thermal testing.

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Btu (th)/hour [Btu (th)/h] to Calorie (IT)/hour [cal/h] Conversion Table

Btu (th)/hour [Btu (th)/h] Calorie (IT)/hour [cal/h]

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.
Btu (th)/hour [Btu (th)/h] to Calorie (IT)/hour [cal/h] Conversion Table
Btu (th)/hour [Btu (th)/h] Calorie (IT)/hour [cal/h]

Explore More Power Units Converter

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  3. How to convert from exawatt [EW] to Btu (th)/hour [Btu (th)/h]?
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  5. How to convert from petawatt [PW] to Btu (th)/hour [Btu (th)/h]?
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  9. How to convert from gigawatt [GW] to Btu (th)/hour [Btu (th)/h]?
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  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]?
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  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?
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  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]?
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  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 allows you to transform power units from Btu (th)/hour, a common measurement in heating and cooling systems, to calorie (IT)/hour, a unit ideal for small-scale thermal energy transfers and calorimetric studies.

How to Use This Tool?

  • Enter the power value in Btu (th)/hour that you want to convert.
  • Select 'Btu (th)/hour' as the input unit and 'calorie (IT)/hour' as the output unit.
  • Click convert to see the corresponding value in calorie (IT)/hour.

Key Features

  • Converts thermochemical British thermal units per hour to International Table calories per hour.
  • Supports applications in HVAC equipment sizing and laboratory calorimetry.
  • Provides precise unit conversion useful for interpreting historical and modern thermal data.

Examples

  • Convert 2 Btu (th)/hour: 2 × 251.8271711031 = 503.6543422062 cal/h.
  • Convert 0.5 Btu (th)/hour: 0.5 × 251.8271711031 = 125.91358555155 cal/h.

Common Use Cases

  • Sizing and rating HVAC devices such as furnaces and air conditioners.
  • Reporting small heat-transfer rates in laboratory calorimetry and material thermal tests.
  • Interpreting heat-transfer data from industrial systems in calorimetric or historical terms.

Tips & Best Practices

  • Ensure steady-state conditions when performing conversions to maintain accuracy.
  • Use calorie (IT)/hour units for small heat flows to capture detailed thermal behavior.
  • Handle large converted values carefully due to scale differences between units.

Limitations

  • Conversions yield large numbers because of differing unit scales, requiring careful precision management.
  • Calorie (IT)/hour suits only low heat-transfer rates and is impractical for large power ratings.
  • Assumes uniform and steady rates; transient heat conditions need more specialized approaches.

Frequently Asked Questions

Why convert Btu (th)/hour to calorie (IT)/hour?
Conversion is useful to express power in smaller units suited for laboratory measurements, calorimetry, and historical data interpretation.

Is this conversion suitable for large industrial power levels?
No, calorie (IT)/hour is designed for small heat flows and not practical for large-scale industrial power ratings.

What industries commonly use this conversion?
Industries include HVAC for equipment sizing, laboratory calorimetry for thermal testing, and fields analyzing historical thermal specifications.

Key Terminology

Btu (th)/hour
A power unit representing one thermochemical British thermal unit of heat transferred per hour, often used in heating and cooling applications.
Calorie (IT)/hour
A power unit measuring energy transfer rate equal to one International Table calorie per hour, applicable for small heat flows and calorimetric contexts.
HVAC
Heating, Ventilation, and Air Conditioning systems used in building climate control and equipment rating.

Quick Knowledge Check

What does 1 Btu (th)/hour approximately convert to in calorie (IT)/hour?
Which unit is best suited for expressing very small heat transfer rates?
What is a common use for Btu (th)/hour units?

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