Free roofing tool

Roofing price per square calculator

Turn a price per square into a total job price by number of squares.

For roofing pros and homeowners comparing bids: enter the number of roofing squares and your price per square to get the total installed price.

Number of squares Roof area ÷ 100. A 2,400 sq ft roof is 24 squares. Price per square ($) Installed price per 100 sq ft — asphalt often runs $350–$700+/square.

Total job price

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Price per square should already include tear-off, materials, labor, and accessories.

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Pricing and comparing by the square

Roofers quote by the square (100 sq ft), so a price per square makes bids easy to compare. Multiply squares × price per square for the total. Make sure every bid’s per-square price covers the same scope — tear-off, underlayment, flashing, ridge, and cleanup — or you’re comparing apples to oranges. Not sure of your squares? Use the squares calculator.

Cost ranges reflect 2026 U.S. installed prices (BLS producer/labor data, Remodeling Cost vs. Value, and manufacturer pricing). Your real price depends on your roof, region, and pro — see the full cost guide.

FAQ

Roofing Square Price Calculator questions

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How much does a roofer charge per square?

Installed asphalt shingle often runs $350–$700+ per square (100 sq ft), depending on region, tear-off, and complexity. Premium materials cost more per square.

What is a roofing square?

A square equals 100 square feet of roof area — the unit roofers use to quote and order. A 2,400 sq ft roof is 24 squares.

How do I compare bids by the square?

Divide each bid’s total by the number of squares to get a per-square price, then confirm each includes the same scope — tear-off, underlayment, flashing, and cleanup — before comparing.

What should price per square include?

A complete per-square price covers tear-off and disposal, underlayment, shingles, flashing, starter and ridge cap, fasteners, labor, and cleanup. Ask any bid to itemize what’s in the number.

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