Insulation Calculator

Select Your Country

We'll adjust units, stud spacings, and insulation ratings based on your region.

What are you insulating?

Select the part of the building you want to insulate.

Enter the area to insulate

Enter the total area directly, or calculate it from room dimensions.

Length

m

×

Width

m

=

Area

80.0 m²

Total Area

m²

Select stud / joist spacing

Choose the spacing between your wall studs, ceiling joists, or floor joists.

Select target R-Value

Choose the thermal resistance level for your insulation. Higher values mean better performance.

RSI (m²·K/W) US R-Value (ft²·°F·hr/BTU)

Waste Factor:

Your Insulation Results

Recommendation Summary

Location —

Insulation Type —

Stud / Joist Spacing —

                            Area to Insulate
                            —
                            —
                        

                            Target Insulation Value
                            —
                        

Coverage per Pack — —

Estimated Packs Required —

                            Recommended Packs Including Waste
                            —
                            —
                        

Total Material Needed — —

Actual quantities may vary based on installation method, product dimensions, and obstructions like windows or doors. Waste factor accounts for cuts and fitting.