Insulation Calculator
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Area to Insulate (sq ft)
Location
Attic (floor)
Exterior Walls (2×4)
Exterior Walls (2×6)
Basement / Crawlspace
Cathedral Ceiling
Target R-Value
R-13 (walls, mild climate)
R-19 (walls, cold climate)
R-30 (attic, mild climate)
R-38 (attic, standard)
R-49 (attic, cold climate)
R-60 (attic, very cold)
Insulation Type
Fiberglass Batts
Fiberglass Rolls
Blown-In Fiberglass
Blown-In Cellulose
Spray Foam (closed cell)
Calculate
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Quantity Needed
Installed Thickness
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Material Cost
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Est. Annual Energy Savings
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