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Roofing Squares Calculator
A roofing square is 100 square feet. Your roof area is bigger than your footprint because of pitch — this calculator applies the pitch factor for you.
Your numbers
Roofing squares
17.9 squares
- Roof area
- 1,787 sq ft
- Squares
- 17.9 squares
- Shingle bundles
- 54 bundles3 bundles per square
- Synthetic underlayment
- 5 rolls400 sq ft rolls
- Ridge cap
- 60 linear ft
- Estimated material cost
- $2,444 – $4,381shingles, underlayment & accessories
- Waste & gas charge (10%)
- $244 – $438material overage, cuts & fuel
- Total with waste & gas
- $2,688 – $4,819
- Complex roofs with valleys, dormers, and hips run closer to 15% waste.
- A 10% waste & gas allowance is added to every estimate to cover material overage, cuts, and fuel to and from the job site.
Quantities and cost ranges are planning ballparks for materials only — labor is quoted separately. A 10% waste & gas allowance is already included in the total. Verify measurements on site.
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