How to use the heat conduction rate calculator
Calculate heat flow through a wall or plate. Enter conductivity, area, temperature difference, thickness in the fields above; the heat flow, energy per day are computed instantly and plotted on the chart so you can see how the answer changes.
Formula
Variables
- k — Conductivity (W/(m·K))
- A — Area (m²)
- dT — Temperature difference (K)
- d — Thickness (m)
Worked example
With conductivity = Brick, area = 10 m², temperature difference = 20 K, thickness = 0.2 m, the calculator gives heat flow ≈ 800 W; energy per day ≈ 19.2 kWh.
Frequently asked questions
What is the formula for the heat conduction rate calculation?
Heat flow (W) = k × A × dT / d. Energy per day (kWh) = [Heat flow] × 24 / 1000. Here k is conductivity (W/(m·K)), A is area (m²), dT is temperature difference (K), d is thickness (m).
What inputs do I need for the heat conduction rate calculator?
You need conductivity in W/(m·K), area in m², temperature difference in K, thickness in m. Each field is pre-filled with a typical example so you can see how the result responds as you edit the numbers.
How do I use this calculator?
Type values into the input fields. Results and the chart update instantly. Use Reset to restore the example values, Copy results to paste them elsewhere, or Share to copy a link that preserves your inputs.
Is the result exact?
Calculations use standard formulas and double-precision arithmetic, then display about seven significant figures. Real-world measurements carry uncertainty, so treat results as estimates unless your inputs are exact.