🏠 Roofing Calculator
Estimate roof area, materials & cost for any roof type
📐 Roof Dimensions
Roof Length (ft)
Roof Width (ft)
📐 Roof Type
Flat Roof
Pitched / Sloped Roof
Pitch Angle (degrees)
Pitch Multiplier
Quick Reference:
15° = 1.035 | 20° = 1.064 | 25° = 1.10 | 30° = 1.15 | 35° = 1.22 | 40° = 1.31 | 45° = 1.41
🧱 Material Selection
Material Type
Asphalt Shingles
Clay/Concrete Tile
Metal Roofing
Price per sq ft ($)
Coverage per unit (sq ft)
Price per unit ($)