1. What is Asphalt Roof Cost per Square Foot?

Definition: This calculator determines the cost per square foot for asphalt roofing projects by considering materials (in squares), labor costs, and total roof area.

Purpose: It helps homeowners, contractors, and estimators accurately calculate roofing costs for budgeting and comparison purposes.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

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

Explanation: The total material cost (squares × price per square) plus labor cost is divided by the roof area to determine cost per square foot.

3. Importance of Roof Cost Calculation

Details: Accurate cost per square foot calculations enable proper budgeting, fair contractor comparisons, and realistic project planning.

4. Using the Calculator

Tips: Enter the number of roofing squares, price per square, labor costs, and total roof area. All values except labor must be > 0 (labor can be 0 if included in square price).

5. Frequently Asked Questions (FAQ)

Q1: What is a "square" in roofing terms?
A: One roofing square equals 100 square feet of roof area, the standard measurement unit for roofing materials.

Q2: Should labor costs be included separately?
A: Yes, unless your price per square already includes labor, in which case enter 0 for labor cost.

Q3: How do I find my roof area?
A: Measure length × width of each roof plane and sum them, or use our Roof Area Calculator.

Q4: What's a typical price per square?
A: Prices vary ($80-$200/square) based on shingle quality, region, and market conditions.

Q5: Does this include underlayment or other materials?
A: Only if their cost is included in your price per square or labor cost figures.