How much roofing for a 4,000 sq ft house with 12/12 pitch?
Answer
62.2 squares (187 bundles)
Actual roof area: 6,222 sq ft (with pitch)Includes 10% waste factorEstimated shingle cost: $6,545–$10,285
Need a custom calculation?
Open the full calculator with custom inputs
How We Calculated This
Squares = (Footprint × Pitch Multiplier × 1.10) / 100
4,000 × pitch factor × 1.10 = 6,222 sq ft. Squares = 62.2. Bundles = 187.
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.