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Heat Transfer

BTU·in/(hr·ft²·°F)toW/(cm·K)

Convert British thermal unit-inches per hour-square foot-Fahrenheit (BTU·in/(hr·ft²·°F)) to watts per centimetre-kelvin (W/(cm·K)).

Factor1 BTU·in/(hr·ft²·°F) = 0.001442279 W/(cm·K)

Converter

BTU·in/(hr·ft²·°F)

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

Result
1.44228W/(cm·K)

Rendered to 6 significant figures.

Formula

Formula
W/(cm·K) = BTU·in/(hr·ft²·°F) × 0.001442279

Multiply any value in British thermal unit-inches per hour-square foot-Fahrenheit by 0.001442279 to obtain the value in watts per centimetre-kelvin.

Worked example

Convert 1000 BTU·in/(hr·ft²·°F) to W/(cm·K).

  1. 01Start with 1000 BTU·in/(hr·ft²·°F).
  2. 02Multiply by the conversion factor: 1000 × 0.001442279 = 1.44228 W/(cm·K).
Result1000 BTU·in/(hr·ft²·°F) = 1.44228 W/(cm·K)

Conversion table

BTU·in/(hr·ft²·°F)W/(cm·K)
10.0014423
20.0028846
50.0072114
100.014423
200.028846
500.072114
1000.14423
2000.28846
5000.72114
10001.4423

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from BTU·in/(hr·ft²·°F) to W/(cm·K)?
1 BTU·in/(hr·ft²·°F) equals 0.001442279 W/(cm·K). To convert, multiply the value in British thermal unit-inches per hour-square foot-Fahrenheit by 0.001442279.
How do I convert 1 BTU·in/(hr·ft²·°F) to W/(cm·K)?
1 BTU·in/(hr·ft²·°F) = 0.00144228 W/(cm·K). For any value, multiply by 0.001442279.
How do I convert W/(cm·K) back to BTU·in/(hr·ft²·°F)?
Divide by the same factor — or equivalently, multiply by 693.3471. So 1 W/(cm·K) = 693.347 BTU·in/(hr·ft²·°F).
When would I need to convert British thermal unit-inch per hour-square foot-Fahrenheit to watt per centimetre-kelvin?
Thermal conductivity conversions between BTU·in/(hr·ft²·°F) and W/(cm·K) 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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