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Roof Cost Calculator

Get a data-backed estimate for your roof replacement in 60 seconds. Adjust square footage, material, pitch, and complexity to see real pricing ranges based on 2026 industry data.

📐 Your Roof Details

Roof Area (sq ft)Average home: 1,500–2,500 sq ft

5001,800 sq ft6,000

Roofing Material

Most popular choice in North America. Dimensional look, excellent durability. | Lifespan: 25–30 years | Warranty: 30–50 years

Roof Pitch (Slope)

Slight upcharge. Most common residential pitch.

Existing Roof Layers (Tear-off)

Roof Complexity

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Adjust the inputs and hit “Calculate”

Your personalized estimate will appear here

How Much Does a New Roof Cost in 2026?

The average roof replacement cost in the United States ranges from $5,500 to $12,000 for a standard 1,700 sq ft home with architectural shingles. However, total cost varies significantly based on four primary factors: roof area (measured in squares — 1 square = 100 sq ft), material choice, pitch/slope, and whether existing layers need tear-off.

Roof Replacement Cost Per Square Foot by Material (2026)

Material	Cost/Sq Ft	1,500 Sq Ft Roof	2,500 Sq Ft Roof	Lifespan
3-Tab Shingles	$3.00–$4.50	$4,500–$6,750	$7,500–$11,250	15–20 years
Architectural Shingles	$4.00–$6.00	$6,000–$9,000	$10,000–$15,000	25–30 years
Designer / Luxury Shingles	$6.00–$9.00	$9,000–$13,500	$15,000–$22,500	30–40 years
Standing Seam Metal	$7.00–$14.00	$10,500–$21,000	$17,500–$35,000	40–70 years
Corrugated Metal	$5.00–$10.00	$7,500–$15,000	$12,500–$25,000	30–50 years
Cedar Shake	$8.00–$14.00	$12,000–$21,000	$20,000–$35,000	20–30 years
Natural Slate	$12.00–$25.00	$18,000–$37,500	$30,000–$62,500	75–100+ years
Flat Roof (TPO/EPDM)	$4.00–$8.00	$6,000–$12,000	$10,000–$20,000	20–30 years

What Increases Roof Replacement Cost?

Steep pitch: Roofs steeper than 8/12 require safety harnesses and slower installation, adding 25–40% to labor costs.
Multiple tear-off layers: Removing 2+ existing layers adds $1.75–$2.50/sq ft in disposal and labor.
Complex geometry: Dormers, valleys, hip roofs, and skylights increase material waste and installation time by 10–30%.
Geographic location: Labor rates in Northeast and West Coast metros can be 20–40% higher than Southern or Midwest states.
Permitting and code compliance: Building permits add $200–$500 in most jurisdictions. Ice and water shield requirements vary by state.

How to Get an Accurate Roof Estimate

This calculator provides a reliable range based on national averages, but the most accurate estimate comes from a local contractor who can inspect your roof in person. Factors like decking condition, ventilation requirements, and local material availability can only be assessed on-site. We recommend getting 3 quotes from licensed, insured contractors in your area.

For contractors: GeoQuote's satellite measurement widget lets homeowners get instant area-based estimates directly on your website — using your pricing, not generic averages. This means every lead who contacts you already has a realistic budget expectation.

Frequently Asked Questions

How much does it cost to replace a 2,000 sq ft roof?

A 2,000 sq ft roof typically costs $8,000–$12,000 with architectural shingles, $14,000–$28,000 with standing seam metal, or $24,000–$50,000 with natural slate. These ranges include materials, labor, and standard tear-off of one existing layer.

Is it cheaper to roof over existing shingles?

Overlaying (adding a second layer) saves $1.00–$1.50/sq ft in tear-off costs, but most contractors recommend full tear-off. Overlaying hides damage, adds weight, reduces shingle lifespan, and may void manufacturer warranties. Many building codes prohibit more than 2 layers.

How long does a roof replacement take?

A standard residential roof replacement takes 1–3 days for asphalt shingles and 3–7 days for metal or slate. Factors that extend the timeline include weather delays, steep pitch requiring safety equipment, and complex rooflines with dormers or valleys.

Should I repair or replace my roof?

If damage affects less than 30% of the roof and the roof is under 15 years old, repair is typically more cost-effective. If the roof is over 20 years old, has multiple leaks, or shows widespread granule loss, full replacement is the better long-term investment.

What is the cheapest roofing material?

3-tab asphalt shingles are the most affordable at $3.00–$4.50/sq ft installed. However, their 15–20 year lifespan means higher long-term cost. Architectural shingles at $4.00–$6.00/sq ft last 25–30 years and offer better value per year of protection.

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