Cost to Roof 6,450 Square Feet

Estimated roof replacement cost for 6,450 sq ft by material.

Re-roofing 6,450 sq ft with asphalt shingles costs about $25,800 – $45,150 installed (avg $35,475).
MaterialEstimated cost (installed)
Asphalt shingles $25,800 – $45,150
Metal $51,600 – $90,300
Clay/concrete tile $64,500 – $116,100
Slate $96,750 – $193,500

US national-average installed estimates. Pitch, tear-off, stories and region change the price. Get local quotes.

Have exact dimensions? Use the full Roofing Cost Calculator to enter length, width and depth.

Last reviewed: November 2026

Data sources: Standard volume and area formulas.

Disclaimer: Quantities are estimates from the area you entered; measure your actual space and add a waste allowance. Material and labor costs vary by region.

Frequently Asked Questions

With asphalt shingles, about $25,800 to $45,150 for asphalt shingles. Metal, tile and slate cost more — see the table on this page.

Asphalt shingles are usually the cheapest to install, followed by metal, then tile and slate.