Roofing Material Calculator
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Roofing Material Calculator
Roofing Material Calculator
Calculate shingle bundles, underlayment rolls, and total costs based on roof area and pitch
Roof Length (ft)
Roof Width (ft)
Roof Pitch
Flat (0/12) (1x)
Low 3/12 (1.031x)
Low 4/12 (1.054x)
Medium 5/12 (1.083x)
Medium 6/12 (1.118x)
Medium 7/12 (1.158x)
Steep 8/12 (1.202x)
Steep 9/12 (1.25x)
Steep 10/12 (1.302x)
Very Steep 12/12 (1.414x)
Waste Factor
10% — Simple gable
15% — Standard
20% — Complex hips & valleys
Cost per Square ($)
Calculate Roofing Materials