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How much roofing for a 4,000 sq ft house with 5/12 pitch?

Answer
47.7 squares (143 bundles)
Actual roof area: 4,765 sq ft (with pitch)Includes 10% waste factorEstimated shingle cost: $5,005–$7,865

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How We Calculated This

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

4,000 × pitch factor × 1.10 = 4,765 sq ft. Squares = 47.7. Bundles = 143.

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Calculated using verified formulas. Last updated March 2026.