Free Calculator · Updated May 2026

Roof Replacement Cost Calculator

Estimate the cost of an asphalt-shingle roof replacement for your home. Adjust the size and options below for an instant range. Roof area is larger than your floor plan because of pitch and overhangs, so steep or complex roofs land higher.

Approximate floor area of the home.

sq ft

Estimated roof replacement cost

$9,000 – $14,000

Asphalt shingle, installed. An estimate for planning only — not a quote. Get bids from local roofers for an exact price.

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FAQ

How accurate is this roof cost estimate?
It's a planning range based on national average per-square-foot costs and typical adjustments for pitch, shingle grade, and tear-off. Real bids vary by region, roof complexity, and decking condition, so treat it as a starting point and get local quotes.
Why is my roof area bigger than my home's square footage?
Roof surface includes the pitch (steepness) and overhangs, so it's always larger than your floor plan. A steeper or more complex roof has more surface area — and costs more — than the home's square footage alone suggests.

For pros

Roofer quoting jobs like this? JobStack chases your open bids, collects deposits, and keeps claim photos and measurements in one place.

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Estimates are for planning only and are not a quote. Per-square-foot costs from This Old House, HomeGuide, and Bill Ragan Roofing (2025–2026). See the full Roof replacement cost guide, or browse all cost calculators.