Roofing Square Calculator
Convert roof square footage to roofing squares and optionally add a waste percentage for planning material quantities.
Convert roof area to roofing squares
Leave at 0 if you only want the unit conversion.
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Area including waste—
The base unit conversion is 100 square feet per roofing square.
How this calculator works
A roofing square is the industry unit used to describe 100 square feet of roof area. This page keeps the unit conversion separate from cost so homeowners can use it as a supporting measurement tool.