1. What is Asphalt Shingle Roofing Cost per Square Foot?

Definition: This calculator determines the cost per square foot for asphalt shingle roofing projects by considering material and labor costs relative to roof area.

Purpose: It helps homeowners, contractors, and estimators accurately budget roofing projects by breaking down costs per square foot.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( C_{sf} \) — Cost per square foot ($/ft²)
• \( Q \) — Roof area in squares (1 square = 100 ft²)
• \( P_{square} \) — Price per square of shingles ($)
• \( C_{labor} \) — Total labor cost ($)
• \( A_r \) — Total roof area (ft²)

Explanation: The formula combines material costs (based on squares) with labor costs, then divides by total area to get cost per square foot.

3. Importance of Cost per Square Foot Calculation

Details: This metric allows for accurate cost comparisons between projects, helps with budgeting, and provides a standardized way to evaluate roofing costs.

4. Using the Calculator

Tips:

• Enter roof area in squares (1 square = 100 sq ft)
• Include all labor costs (removal, installation, etc.)
• Total roof area should be in square feet
• All values must be positive numbers

5. Frequently Asked Questions (FAQ)

Q1: What's included in a "square" of roofing?
A: 1 square = 100 square feet of roof area, typically covering about 3 bundles of asphalt shingles.

Q2: How do I convert roof area to squares?
A: Divide total square footage by 100 (e.g., 1500 ft² = 15 squares).

Q3: What affects the price per square?
A: Shingle quality (3-tab vs. architectural), brand, region, and underlayment type.

Q4: Should I include disposal costs in labor?
A: Yes, include all labor-related expenses (removal, installation, cleanup).

Q5: Why calculate cost per square foot?
A: It standardizes costs for comparison between different sized roofs and projects.