Conduction Calculator
Calculate heat conduction through flat walls, cylinders, and spheres with multi-layer flat wall support
Conduction Calculator
Calculate steady-state heat conduction through flat walls, cylinders, and spheres.
Formula
Q = (T₁ − T₂) / ΣR, R = L/(kA) per layer
Wall Layers
Results
Heat Transfer Rate Q
150000.00 W
= 150.0000 kW
Thermal Resistance R
— K/W
Formula Applied
Common Thermal Conductivities k (W/m·K)
How to Use This Calculator
Enter your input values
Fill in all required input fields for the Conduction Calculator. Most fields include unit selectors so you can work in your preferred unit system.
Review your inputs
Double-check that all values are correct and that you have selected the right units for each field. Incorrect units are the most common source of calculation errors.
Read the results
The Conduction Calculator instantly computes the output and displays results with units. All calculations happen in your browser — no loading time and no data sent to a server.
Formula Reference
Fourier's Law (flat wall)
Q = k·A·ΔT / L
Variables: k = thermal conductivity, A = cross-sectional area, ΔT = temperature difference, L = wall thickness
When to Use This Calculator
- •Use the Conduction Calculator when solving homework or exam problems that require quick numerical verification of your hand calculations.
- •Use it during the design phase to rapidly iterate on parameters before running detailed finite element simulations.
- •Use it when reviewing a colleague's calculation or checking a vendor's data sheet for plausibility.
- •Use it to generate reference data for a technical report or presentation without manual computation.
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