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Roofing Material Calculator
Calculate roofing materials needed including shingles, underlayment, and waste factors
Roof Length
(ft)
Roof Width
(ft)
Roof Pitch
1/12 - 2/12 pitch
3/12 pitch
4/12 pitch
5/12 pitch
6/12 pitch
7/12 pitch
8/12 pitch
9/12 pitch
10/12 pitch
11/12 pitch
12/12 pitch
Shingle Coverage per Bundle
Standard 3-tab (32.8 sq ft)
Architectural (33.3 sq ft)
Waste Allowance
10% - Simple hip/gable
15% - Cut-up roof
20% - Complex roof
Calculate