Roof Cost Formula:
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Definition: This calculator estimates the total cost for a new asphalt roof installation based on material costs and labor.
Purpose: It helps homeowners and contractors budget for roof replacement projects.
The calculator uses the formula:
Where:
Explanation: The roof size is multiplied by material cost per square, then labor costs are added.
Details: Accurate cost estimation helps with budgeting, financing, and comparing contractor quotes.
Tips: Enter the roof size in squares, price per square (default $500), and labor cost (default $1000). All values must be ≥ 0.
Q1: What is a "square" in roofing terms?
A: One square equals 100 square feet of roof area, the standard measurement unit in roofing.
Q2: What's a typical price range per square?
A: Asphalt shingles typically cost $300-$700 per square, depending on quality and region.
Q3: How do I estimate my roof size in squares?
A: Measure your home's footprint, multiply by roof pitch factor (1.1-1.5), then divide by 100.
Q4: What affects labor costs?
A: Roof complexity, location, season, and removal of old roofing material impact labor costs.
Q5: Does this include all costs?
A: Additional costs may include underlayment, flashing, ventilation, and disposal fees.