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Roofing Calculator

Roofing Calculator

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Pro Tip

Three bundles of standard 3-tab shingles cover one roofing square (100 sq ft). Architectural/dimensional shingles vary — check the bundle coverage on the package.

Difficulty:Intermediate

Did you know?

Asphalt shingles — the most common roofing material in North America — last 20–30 years. Metal roofing lasts 40–70 years and reflects more heat, reducing cooling costs.

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Reviewed May 2026
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