Cost to Roof 400 Square Feet

Estimated roof replacement cost for 400 sq ft by material.

Re-roofing 400 sq ft with asphalt shingles costs about $1,600 – $2,800 installed (avg $2,200).
MaterialEstimated cost (installed)
Asphalt shingles $1,600 – $2,800
Metal $3,200 – $5,600
Clay/concrete tile $4,000 – $7,200
Slate $6,000 – $12,000

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 $1,600 to $2,800 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.