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Roofing Calculator
Calculate the number of roofing squares, shingle bundles, and total material needed for any roof. Enter the roof footprint dimensions, pitch, and waste factor.
Frequently asked questions
What is a roofing square?
A roofing square equals 100 square feet of roof surface. A standard bundle of shingles covers approximately 33 square feet.
How do I calculate roof pitch?
Roof pitch is expressed as rise-over-run (e.g., 6/12 means 6 inches of rise per 12 inches of run).
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