Metric Unit CalculatorCalculate heat transfer rate (w) using the thermal conduction rate formula.
The diagram updates with your entries and is illustrative, not necessarily drawn to scale.
The formula, your substituted values, and the evaluated result are shown below.
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View offerAffiliate link — we may earn a commission at no extra cost to you.This calculator applies the formula given in Formulae and Tables, State Examinations Commission (2014), page 59. Enter values in consistent units.
conductivity × area × temperature_difference ÷ thickness
Inputs: Thermal conductivity (W/m·K), Area (m²), Temperature difference (K), Thickness (m).
The result is rounded to 4 decimal places. Check units, assumptions and significant figures before using the answer.