Roofing Calculator
Estimate roof area, squares, shingle bundles, and cost by roof type and pitch.
LIVE CALCULATION
Squares to Order
8.4
roofing squares (100 sq ft)
+0.40 squares estimated wastage (5%)
Project Summary
Roof Area-
Roofing Squares-
Shingle Bundles-
Felt Underlayment-
Cost Estimate
Shingles (per square)-
Estimated Total-
Calculation Assumptions
Roof Type-
Pitch-
Overhang-
Waste Percentage-
Bundle Yield-
Pricing BasisNot specified
Actual shingle and felt requirements vary by roof type, pitch, valley flashing, and product. Felt is estimated at about 4 squares per 15 lb roll.
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