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Heat Transfer

W/(cm·K)toBTU/(hr·ft·°F)

Convert watts per centimetre-kelvin (W/(cm·K)) to British thermal units per hour-foot-Fahrenheit (BTU/(hr·ft·°F)).

Factor1 W/(cm·K) = 57.77893 BTU/(hr·ft·°F)

Converter

W/(cm·K)

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

Result
57.7789BTU/(hr·ft·°F)

Rendered to 6 significant figures.

Formula

Formula
BTU/(hr·ft·°F) = W/(cm·K) × 57.77893

Multiply any value in watts per centimetre-kelvin by 57.77893 to obtain the value in British thermal units per hour-foot-Fahrenheit.

Worked example

Convert 1 W/(cm·K) to BTU/(hr·ft·°F).

  1. 01Start with 1 W/(cm·K).
  2. 02Multiply by the conversion factor: 1 × 57.77893 = 57.7789 BTU/(hr·ft·°F).
Result1 W/(cm·K) = 57.7789 BTU/(hr·ft·°F)

Conversion table

W/(cm·K)BTU/(hr·ft·°F)
157.779
2115.56
5288.89
10577.79
201155.6
502888.9
1005777.9
20011556
50028889
100057779

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from W/(cm·K) to BTU/(hr·ft·°F)?
1 W/(cm·K) equals 57.77893 BTU/(hr·ft·°F). To convert, multiply the value in watts per centimetre-kelvin by 57.77893.
How do I convert 1 W/(cm·K) to BTU/(hr·ft·°F)?
1 W/(cm·K) = 57.7789 BTU/(hr·ft·°F). For any value, multiply by 57.77893.
How do I convert BTU/(hr·ft·°F) back to W/(cm·K)?
Divide by the same factor — or equivalently, multiply by 0.01730735. So 1 BTU/(hr·ft·°F) = 0.0173073 W/(cm·K).
When would I need to convert watt per centimetre-kelvin to British thermal unit per hour-foot-Fahrenheit?
Thermal conductivity conversions between W/(cm·K) 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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