Shingle Bundles & Roofing Squares
House Length (Feet)
House Width (Feet)
Roof Pitch
3:12 (Low Slope)
4:12 (Shallow)
6:12 (Standard Gable)
8:12 (Moderate)
10:12 (Steep)
12:12 (45° Hip)
Roof Type
Gable
Hip
Overhang (Feet)
0 ft (Flush)
6 inches
1 ft (Standard)
18 inches
2 ft
Waste (%)
10% (Simple Gable)
12% (Standard)
15% (Hip / Valleys)
Shingle Bundles
43 Bundles
3 Bundles / Square
Roofing Squares
14.2 Sq
100 sq ft = 1 Square
Actual True Roof Area:
1,420 sq ft
Starter Strip (Eaves):
92 Linear Ft
Ridge / Hip Cap Shingles:
2 Bundles
Synthetic Underlayment (10-Sq Rolls):
2 Rolls
Estimates include overhang footprint and pitch area multiplier. Order 5–10% extra for complex roofs.
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