Reroof Cost Calculator
Planning to replace your roof? Use our free reroof cost calculator to estimate roofing replacement expenses based on roof size, material, and labor costs. Perfect for homeowners budgeting a project or contractors preparing proposals.
Reroofing Cost Formula
This formula gives an accurate estimate of total roofing replacement costs, accounting for both materials and labor.
How this reroof cost calculator works
Simply enter the size of your roof, choose the material, and add labor costs. The calculator instantly estimates total reroofing expenses. This helps you budget properly and compare roofing quotes more effectively.
When to use this reroof cost calculator
When budgeting a roofing replacement project
To compare roofing material options (asphalt vs. tile vs. metal)
For contractors preparing client estimates
For homeowners deciding between repair and full replacement
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Average Reroof Costs by Material (U.S.)
Roof replacement costs vary widely depending on materials:
Asphalt shingles
Metal roofing
Tile roofing
Slate roofing
Material choice is the biggest factor influencing reroof costs.
Frequently Asked Questions
The national average is $8,000–$15,000 depending on size and materials.
Asphalt shingles are the most affordable option.
Slate and metal roofs last 50+ years but cost more upfront.
Yes, steep roofs require more labor and safety measures, increasing costs.
Yes, you can add your local labor rate for accuracy.
No, it estimates installation only. Tear-off and disposal may add extra.
Divide total project cost by total roof size in sq ft.
Repairs are cheaper short-term, but reroofing may be more cost-effective long-term.