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Roofing Calculator
ft · squares
Length (ft)
Width (ft)
Roof pitch
3/12
4/12
5/12
6/12
7/12
8/12
9/12
10/12
12/12
Waste (%)
Roof area
1342
ft²
= 13.4 squares · 1,200 ft² footprint
1.118×
Pitch factor
13.4
Squares
45
Bundles
✨ Live · Architectural shingles come 3 bundles per square (100 ft²). Measure hips, valleys and dormers separately on complex roofs. They need extra material.
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