Roof Run Calculator
Calculate horizontal run from pitch and rise
Enter your measurements
Quick presets
sq ft
Total Roof Area
1,792 sq ft
17.9 roofing squares • Pitch multiplier: 1.054
PRO
Professional Calculator
Calculate total area for complex roofs with multiple sections
ft
ft
Total Roof Area
1,389 sq ft
Sections
2
Total Squares
13.9
Cost Breakdown
Section 1: $1,054 (76%)
Section 2: $335 (24%)
Detailed Breakdown
Section 11,054 sq ft
Dimensions40 × 25 ft (footprint: 1,000 sq ft)
Pitch4/12 (×1.054)
Section 2335 sq ft
Dimensions20 × 15 ft (footprint: 300 sq ft)
Pitch6/12 (×1.118)
Total Roof Area1,389 sq ft
Total Squares13.9
Bundles (10% waste)46
How to Use This Calculator
Enter your roof measurements and the calculator will provide accurate estimates for your project.