About Roofing Calculator
Calculate roofing squares and bundles of asphalt shingles required for your roof.. Designed for accurate, instantaneous calculations with zero wait time.
Formula
Roofing Squares = Roof Area / 100 sq ft | Bundles = Squares × 3
Example Calculation
A 2,000 sq ft roof equals 20 squares and requires 60 bundles of shingles (+10% waste = 66 bundles).
How to Use
- Enter your values into the form fields above.
- The calculation updates immediately in real time.
- Inspect the main summary and secondary breakdowns below.