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Heat Transfer

kcal/(hr·m·K)toBTU·in/(hr·ft²·°F)

Convert kilocalories per hour-metre-kelvin (kcal/(hr·m·K)) to British thermal unit-inches per hour-square foot-Fahrenheit (BTU·in/(hr·ft²·°F)).

Factor1 kcal/(hr·m·K) = 8.063627 BTU·in/(hr·ft²·°F)

Converter

kcal/(hr·m·K)

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

Result
8.06363BTU·in/(hr·ft²·°F)

Rendered to 6 significant figures.

Formula

Formula
BTU·in/(hr·ft²·°F) = kcal/(hr·m·K) × 8.063627

Multiply any value in kilocalories per hour-metre-kelvin by 8.063627 to obtain the value in British thermal unit-inches per hour-square foot-Fahrenheit.

Worked example

Convert 1 kcal/(hr·m·K) to BTU·in/(hr·ft²·°F).

  1. 01Start with 1 kcal/(hr·m·K).
  2. 02Multiply by the conversion factor: 1 × 8.063627 = 8.06363 BTU·in/(hr·ft²·°F).
Result1 kcal/(hr·m·K) = 8.06363 BTU·in/(hr·ft²·°F)

Conversion table

kcal/(hr·m·K)BTU·in/(hr·ft²·°F)
18.0636
216.127
540.318
1080.636
20161.27
50403.18
100806.36
2001612.7
5004031.8
10008063.6

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from kcal/(hr·m·K) to BTU·in/(hr·ft²·°F)?
1 kcal/(hr·m·K) equals 8.063627 BTU·in/(hr·ft²·°F). To convert, multiply the value in kilocalories per hour-metre-kelvin by 8.063627.
How do I convert 1 kcal/(hr·m·K) to BTU·in/(hr·ft²·°F)?
1 kcal/(hr·m·K) = 8.06363 BTU·in/(hr·ft²·°F). For any value, multiply by 8.063627.
How do I convert BTU·in/(hr·ft²·°F) back to kcal/(hr·m·K)?
Divide by the same factor — or equivalently, multiply by 0.1240137. So 1 BTU·in/(hr·ft²·°F) = 0.124014 kcal/(hr·m·K).
When would I need to convert kilocalorie per hour-metre-kelvin to British thermal unit-inch per hour-square foot-Fahrenheit?
Thermal conductivity conversions between kcal/(hr·m·K) and BTU·in/(hr·ft²·°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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