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Heat Transfer

cal/(cm²·s·°C)toBTU/(hr·ft²·°F)

Convert calories per square centimetre-second-Celsius (cal/(cm²·s·°C)) to British thermal units per hour-square foot-Fahrenheit (BTU/(hr·ft²·°F)).

Factor1 cal/(cm²·s·°C) = 7368.45 BTU/(hr·ft²·°F)

Converter

cal/(cm²·s·°C)

Accepts numbers or expressions, e.g. 150 + 14.7

Result
7368.45BTU/(hr·ft²·°F)

Rendered to 6 significant figures.

Formula

Formula
BTU/(hr·ft²·°F) = cal/(cm²·s·°C) × 7368.45

Multiply any value in calories per square centimetre-second-Celsius by 7368.45 to obtain the value in British thermal units per hour-square foot-Fahrenheit.

Worked example

Convert 1 cal/(cm²·s·°C) to BTU/(hr·ft²·°F).

  1. 01Start with 1 cal/(cm²·s·°C).
  2. 02Multiply by the conversion factor: 1 × 7368.45 = 7368.45 BTU/(hr·ft²·°F).
Result1 cal/(cm²·s·°C) = 7368.45 BTU/(hr·ft²·°F)

Conversion table

cal/(cm²·s·°C)BTU/(hr·ft²·°F)
17368.5
214737
536842
1073685
201.4737e+5
503.6842e+5
1007.3685e+5
2001.4737e+6
5003.6842e+6
10007.3685e+6

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from cal/(cm²·s·°C) to BTU/(hr·ft²·°F)?
1 cal/(cm²·s·°C) equals 7368.45 BTU/(hr·ft²·°F). To convert, multiply the value in calories per square centimetre-second-Celsius by 7368.45.
How do I convert 1 cal/(cm²·s·°C) to BTU/(hr·ft²·°F)?
1 cal/(cm²·s·°C) = 7368.45 BTU/(hr·ft²·°F). For any value, multiply by 7368.45.
How do I convert BTU/(hr·ft²·°F) back to cal/(cm²·s·°C)?
Divide by the same factor — or equivalently, multiply by 0.0001357138. So 1 BTU/(hr·ft²·°F) = 0.000135714 cal/(cm²·s·°C).
When would I need to convert calorie per square centimetre-second-Celsius to British thermal unit per hour-square foot-Fahrenheit?
Heat-transfer coefficient conversions between cal/(cm²·s·°C) and BTU/(hr·ft²·°F) are needed in heat-exchanger sizing, boiler and condenser design, and HVAC calculations. W/(m²·K) is standard in SI engineering, and BTU/(hr·ft²·°F) is common in US heat-exchanger correlations and vendor literature.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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