Roofing Replacement Cost Calculator
Include garage and overhangs.
Asphalt Shingles (Basic)
Architectural Shingles
Metal Roofing
Concrete/Clay Tile
Natural Slate
Flat or Low Slope (0/12 – 3/12)
Standard Pitch (4/12 – 6/12)
Steep Pitch (7/12 – 9/12)
Very Steep (>10/12)
Yes, remove old shingles
No, overlay (Not recommended)
Estimated Project Total:
$0.00
Estimate includes materials, labor, and disposal fees.
Cost per Square (100sqft):
$0.00
$0.00
Complexity Factor:
Standard
Standard
Understanding Your Roof Replacement Costs
Replacing a roof is one of the most significant investments a homeowner will make. The total cost is determined by several factors, including the square footage of the roof surface, the material selected, and the complexity of the installation. Our roofing cost calculator provides a comprehensive estimate based on current national averages for labor and materials.
Key Factors Influencing Your Estimate
- Roof Area: Roofing is measured in "squares," where one square equals 100 square feet. A 2,000-square-foot roof equals 20 squares.
- Material Choice: Asphalt shingles are the most common and budget-friendly option. Metal roofing and natural slate offer incredible longevity but come at a significantly higher price point for both materials and specialized labor.
- Pitch and Complexity: A steep roof (high pitch) requires extra safety equipment, more labor time, and specialized harnesses, which increases the labor cost significantly compared to a walkable, low-slope roof.
- Tear-Off Costs: Most local building codes allow for only two layers of roofing. Removing the old layer (tear-off) ensures the decking is inspected and the new roof has a solid foundation, though it adds disposal and labor fees.
Average Material Life Expectancy
| Material | Average Lifespan |
|---|---|
| Asphalt Shingles | 15 – 30 Years |
| Metal Roofing | 40 – 70 Years |
| Clay Tile | 50 – 100 Years |
| Natural Slate | 75 – 200 Years |
Example Calculation
If you have a 2,500 sq. ft. roof with standard architectural shingles ($6.50/sq. ft.), a moderate pitch (1.15 multiplier), and require a tear-off ($1.50/sq. ft.):
(Area: 2,500 × Material & Labor: $6.50 × Pitch: 1.15) + (Area: 2,500 × Tear-off: $1.50) = $22,437.50