← construction calculators
Roofing Materials Cost Calculator
Calculate roofing materials needed and total cost including pitch factor and waste allowance
Roof Length
(ft)
Roof Width
(ft)
Roof Pitch
Flat (0:12)
Low (2:12)
Medium (4:12)
Standard (6:12)
Steep (8:12)
Very Steep (10:12)
Material Cost per Sq Ft
($)
Waste Allowance
10% - Simple rectangle
15% - Standard complexity
20% - Multiple angles
25% - Complex design
Calculate