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Heat Transfer

µW/(m·K)tokcal/(hr·m·K)

Convert microwatts per metre-kelvin (µW/(m·K)) to kilocalories per hour-metre-kelvin (kcal/(hr·m·K)).

Factor1 µW/(m·K) = 8.598452e-7 kcal/(hr·m·K)

Converter

µW/(m·K)

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

Result
0.859845kcal/(hr·m·K)

Rendered to 6 significant figures.

Formula

Formula
kcal/(hr·m·K) = µW/(m·K) × 8.598452e-7

Multiply any value in microwatts per metre-kelvin by 8.598452e-7 to obtain the value in kilocalories per hour-metre-kelvin.

Worked example

Convert 1.00000e+6 µW/(m·K) to kcal/(hr·m·K).

  1. 01Start with 1.00000e+6 µW/(m·K).
  2. 02Multiply by the conversion factor: 1.00000e+6 × 8.598452e-7 = 0.859845 kcal/(hr·m·K).
Result1.00000e+6 µW/(m·K) = 0.859845 kcal/(hr·m·K)

Conversion table

µW/(m·K)kcal/(hr·m·K)
18.5985e-7
21.7197e-6
54.2992e-6
108.5985e-6
201.7197e-5
504.2992e-5
1008.5985e-5
2000.00017197
5000.00042992
10000.00085985

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from µW/(m·K) to kcal/(hr·m·K)?
1 µW/(m·K) equals 8.598452e-7 kcal/(hr·m·K). To convert, multiply the value in microwatts per metre-kelvin by 8.598452e-7.
How do I convert 1 µW/(m·K) to kcal/(hr·m·K)?
1 µW/(m·K) = 8.59845e-7 kcal/(hr·m·K). For any value, multiply by 8.598452e-7.
How do I convert kcal/(hr·m·K) back to µW/(m·K)?
Divide by the same factor — or equivalently, multiply by 1163000. So 1 kcal/(hr·m·K) = 1.16300e+6 µW/(m·K).
When would I need to convert microwatt per metre-kelvin to kilocalorie per hour-metre-kelvin?
Thermal conductivity conversions between µW/(m·K) and kcal/(hr·m·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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