Soffit Vent Calculator
Calculate soffit vents for intake ventilation
Enter your measurements
Quick presets
sq ft
Total NFA Required
5.7 sq ft
816 sq inches • 1:300 ratio
PRO
Professional Calculator
Full attic ventilation calculation per IRC R806
sq ft
Estimated Materials
0 bundles
Roof Area
0 sq ft
Squares
0.0
Detailed Breakdown
Roof Area0 sq ft
With Waste0 sq ft
Roofing Squares0.0
Bundles0
How to Use This Calculator
Enter your roof measurements and the calculator will provide accurate estimates for your project.