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How much roofing for a 4,000 sq ft house with 10/12 pitch?

Answer
57.3 squares (172 bundles)
Actual roof area: 5,729 sq ft (with pitch)Includes 10% waste factorEstimated shingle cost: $6,020–$9,460

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How We Calculated This

Squares = (Footprint × Pitch Multiplier × 1.10) / 100

4,000 × pitch factor × 1.10 = 5,729 sq ft. Squares = 57.3. Bundles = 172.

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Calculated using verified formulas. Last updated March 2026.