ClueLumaMaterial resistance calculator
Material resistance
Divide thickness by conductivity using the same thickness basis.
Units
Calculator
Enter the values you know and leave one box empty. Calculate finds the empty one, the result or any input.
Worked example
Given
- = 3 in
- = 0.24 Btu·in/(h·ft²·°F)
Given
- = 0.09 m
- = 0.04 W/(m·K)
Symbols and units
| Symbol | Meaning | Unit |
|---|---|---|
| thermal resistance per area | h·ft²·°F/Btu | |
| thickness | in | |
| thermal conductivity | Btu·in/(h·ft²·°F) |
| Symbol | Meaning | Unit |
|---|---|---|
| heat resistance per area | m²·K/W | |
| thickness | m | |
| heat conductivity | W/(m·K) |
Related calculators
Results are estimates for study and screening. Check the inputs, units and assumptions before you use them for design, billing or contract decisions.