Underlayment Calculator
Calculate roofing underlayment rolls needed
Enter your measurements
Quick presets
sq ft
Estimated Materials
60 bundles
17.9 squares • 1,792 sq ft
PRO
Professional Calculator
Extended parameters for precise calculations
sq ft
Estimated Materials
60 bundles
Roof Area
1,792 sq ft
Squares
17.9
Detailed Breakdown
Roof Area1,792 sq ft
With Waste1,971 sq ft
Roofing Squares17.9
Bundles60
How to Use This Calculator
Enter your roof measurements and the calculator will provide accurate estimates for your project.