Heat Transfer Calculator

Calculate heat transfer rates using Fourier's law, Newton's law of cooling, and the Stefan-Boltzmann law

Heat Transfer Mode

Thermal Conductivity (W/(m·K))(k)

Thickness (m)(L)

Surface Area (m²)(A)

Hot Side Temperature (°C)(T₁)

Cold Side Temperature (°C)(T₂)

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Quick Tips

1Use appropriate units and conversion factors
2Consider safety margins in calculations
3Document your calculation assumptions
4Verify results with alternative methods