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Heat Transfer

W/(m²·K)tocal/(cm²·s·°C)

Convert watts per square metre-kelvin (W/(m²·K)) to calories per square centimetre-second-Celsius (cal/(cm²·s·°C)).

Factor1 W/(m²·K) = 2.390057e-5 cal/(cm²·s·°C)

Converter

W/(m²·K)

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

Result
0.0239006cal/(cm²·s·°C)

Rendered to 6 significant figures.

Formula

Formula
cal/(cm²·s·°C) = W/(m²·K) × 2.390057e-5

Multiply any value in watts per square metre-kelvin by 2.390057e-5 to obtain the value in calories per square centimetre-second-Celsius.

Worked example

Convert 1000 W/(m²·K) to cal/(cm²·s·°C).

  1. 01Start with 1000 W/(m²·K).
  2. 02Multiply by the conversion factor: 1000 × 2.390057e-5 = 0.0239006 cal/(cm²·s·°C).
Result1000 W/(m²·K) = 0.0239006 cal/(cm²·s·°C)

Conversion table

W/(m²·K)cal/(cm²·s·°C)
12.3901e-5
24.7801e-5
50.0001195
100.00023901
200.00047801
500.001195
1000.0023901
2000.0047801
5000.01195
10000.023901

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from W/(m²·K) to cal/(cm²·s·°C)?
1 W/(m²·K) equals 2.390057e-5 cal/(cm²·s·°C). To convert, multiply the value in watts per square metre-kelvin by 2.390057e-5.
How do I convert 1 W/(m²·K) to cal/(cm²·s·°C)?
1 W/(m²·K) = 2.39006e-5 cal/(cm²·s·°C). For any value, multiply by 2.390057e-5.
How do I convert cal/(cm²·s·°C) back to W/(m²·K)?
Divide by the same factor — or equivalently, multiply by 41840. So 1 cal/(cm²·s·°C) = 41840 W/(m²·K).
When would I need to convert watt per square metre-kelvin to calorie per square centimetre-second-Celsius?
Heat-transfer coefficient conversions between W/(m²·K) and cal/(cm²·s·°C) are needed in heat-exchanger sizing, boiler and condenser design, and HVAC calculations. W/(m²·K) is standard in SI engineering, and BTU/(hr·ft²·°F) is common in US heat-exchanger correlations and vendor literature.
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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