Thermal Resistance Calculator
Compute thermal resistance for 1D steady conduction.
How to Use This Calculator
Provide material thickness, thermal conductivity, and cross-sectional area. The calculator returns thermal resistance in K/W.
Formula
R = L / (k A)
About Thermal Resistance
Thermal resistance quantifies opposition to heat flow. Higher R means better insulation. This model assumes 1D steady conduction.
Frequently Asked Questions
Can I add layers?
Series layers add directly: R_total = Σ L_i/(k_i A). Parallel paths require conductance sums.
What about convection?
Add surface resistances 1/(hA) in series if convective boundaries are relevant.