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.
Get StartedProject Inputs
Enter a value between 100 and 100,000 sq ft
Only applied when removal is included.
Combine underlayment, flashing, ridge caps, ventilation, gutters, insulation.
Reroof Estimate
Materials = Roof Area × Material Rate
Labor = Roof Area × Labor Rate
Removal = Roof Area × Removal Rate (if included)
Total = Materials + Labor + Removal + Add-ons
Estimate only. Final pricing varies with roof complexity, slope, and regional labor rates.
All calculations are estimates and should be verified by a professional.
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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Book a Free DemoAverage Reroof Costs by Material (U.S.)
Roof replacement costs vary widely depending on materials:
Asphalt shingles
$3.50 – $5.50 per sq ft
Metal roofing
$7.00 – $12.00 per sq ft
Tile roofing
$8.00 – $15.00 per sq ft
Slate roofing
$12.00 – $20.00 per sq ft
Material choice is the biggest factor influencing reroof costs.
Frequently Asked Questions
What is the average cost to reroof a home?
The national average is $8,000–$15,000 depending on size and materials.
Which roofing material is the cheapest to replace?
Asphalt shingles are the most affordable option.
Which roofing material is the most durable?
Slate and metal roofs last 50+ years but cost more upfront.
Does roof pitch affect reroof cost?
Yes, steep roofs require more labor and safety measures, increasing costs.
Are labor costs included in this calculator?
Yes, you can add your local labor rate for accuracy.
Does this calculator include tear-off costs?
No, it estimates installation only. Tear-off and disposal may add extra.
How do I estimate reroof cost per square foot?
Divide total project cost by total roof size in sq ft.
Is reroofing cheaper than roof repair?
Repairs are cheaper short-term, but reroofing may be more cost-effective long-term.