Insulation Calculator: Batts & Packages Needed
Your numbers
How do you want to enter the area?
I know the area (sq ft)
Walls: perimeter × height
Attic / floor: length × width
Area to insulate
sq ft
Wall perimeter
ft
Wall height
ft
Length
ft
Width
ft
Area to subtract
sq ft
Windows, doors.
Waste
%
Batt / roll width
15 in (16 in stud spacing)
23 in (24 in stud spacing)
Coverage per package
sq ft
Check the package label.
Price per package
$
Calculate
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Result
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