How much roofing for a 4,000 sq ft house with 9/12 pitch?
Answer
55 squares (165 bundles)
Actual roof area: 5,500 sq ft (with pitch)Includes 10% waste factorEstimated shingle cost: $5,775–$9,075
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How We Calculated This
Squares = (Footprint × Pitch Multiplier × 1.10) / 100
4,000 × pitch factor × 1.10 = 5,500 sq ft. Squares = 55. Bundles = 165.
Related Calculations
How much roofing for a 1,000 sq ft house with 3/12 pitch?11 squares (33 bundles)How much roofing for a 1,000 sq ft house with 4/12 pitch?11.6 squares (35 bundles)How much roofing for a 1,000 sq ft house with 5/12 pitch?11.9 squares (36 bundles)How much roofing for a 1,000 sq ft house with 6/12 pitch?12.3 squares (37 bundles)How much roofing for a 1,000 sq ft house with 7/12 pitch?12.7 squares (39 bundles)
Calculated using verified formulas. Last updated March 2026.