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Heat Transfer

cal/(cm·s·°C)toBTU/(hr·ft·°F)

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

Factor1 cal/(cm·s·°C) = 241.747 BTU/(hr·ft·°F)

Converter

cal/(cm·s·°C)

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

Result
241.747BTU/(hr·ft·°F)

Rendered to 6 significant figures.

Formula

Formula
BTU/(hr·ft·°F) = cal/(cm·s·°C) × 241.747

Multiply any value in calories per centimetre-second-Celsius by 241.747 to obtain the value in British thermal units per hour-foot-Fahrenheit.

Worked example

Convert 1 cal/(cm·s·°C) to BTU/(hr·ft·°F).

  1. 01Start with 1 cal/(cm·s·°C).
  2. 02Multiply by the conversion factor: 1 × 241.747 = 241.747 BTU/(hr·ft·°F).
Result1 cal/(cm·s·°C) = 241.747 BTU/(hr·ft·°F)

Conversion table

cal/(cm·s·°C)BTU/(hr·ft·°F)
1241.75
2483.49
51208.7
102417.5
204834.9
5012087
10024175
20048349
5001.2087e+5
10002.4175e+5

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from cal/(cm·s·°C) to BTU/(hr·ft·°F)?
1 cal/(cm·s·°C) equals 241.747 BTU/(hr·ft·°F). To convert, multiply the value in calories per centimetre-second-Celsius by 241.747.
How do I convert 1 cal/(cm·s·°C) to BTU/(hr·ft·°F)?
1 cal/(cm·s·°C) = 241.747 BTU/(hr·ft·°F). For any value, multiply by 241.747.
How do I convert BTU/(hr·ft·°F) back to cal/(cm·s·°C)?
Divide by the same factor — or equivalently, multiply by 0.004136555. So 1 BTU/(hr·ft·°F) = 0.00413656 cal/(cm·s·°C).
When would I need to convert calorie per centimetre-second-Celsius to British thermal unit per hour-foot-Fahrenheit?
Thermal conductivity conversions between cal/(cm·s·°C) and BTU/(hr·ft·°F) are common in insulation specification, heat-exchanger design, and building-envelope analysis. SI units (W/(m·K)) appear in international standards and simulation tools, while BTU/(hr·ft·°F) is standard in US codes and vendor datasheets.
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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