How it works
Footprint (with overhang) × pitch factor √(1 + (pitch/12)²). One square = 100 sq ft ≈ 3 bundles.
Roofing Calculator
Roof area, squares and shingle bundles.
Your details
Roof area
1,503 sq ft
Roofing squares
15
Shingle bundles
50
Roof area, squares and shingle bundles.
Footprint (with overhang) × pitch factor √(1 + (pitch/12)²). One square = 100 sq ft ≈ 3 bundles.