Roofing Cost Formula:
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Definition: This calculator estimates the total cost of asphalt roofing based on price per square and the number of squares needed.
Purpose: It helps homeowners and contractors budget for roofing projects by calculating material and installation costs.
The calculator uses the formula:
Where:
Note: In roofing, 1 square = 100 square feet of roof area.
Details: Accurate cost estimation helps with budgeting, comparing contractor quotes, and planning roofing projects.
Tips: Enter the price per square (typically $300-$700) and the number of squares needed. All values must be > 0.
Q1: What's included in price per square?
A: Typically includes both materials (shingles) and installation labor, but confirm with your contractor.
Q2: How do I calculate number of squares?
A: Divide total roof area in square feet by 100 (1 square = 100 sq ft).
Q3: Why such a wide price range?
A: Prices vary by shingle quality (3-tab, architectural, premium), region, and roof complexity.
Q4: Does this include tear-off costs?
A: Typically no - old roof removal usually costs extra ($100-$200 per square).
Q5: How accurate is this estimate?
A: Provides ballpark figures - get multiple quotes for precise pricing.