Roofing Cost Calculators

20 free calculators — replacement, repair, shingles, metal, gutters, and snow load. Know your numbers before the roofer arrives.

19 free calculators

Instant results

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Replacement & Full Installs6 Components & Add-Ons7 Measurement & Planning6

Avg replacement cost by material

Asphalt Shingles (3-tab)20-25 yr lifespan

$5,000–$10,000

Architectural Shingles30-40 yr lifespan

$7,000–$14,000

Metal (Corrugated)40-70 yr lifespan

$10,000–$18,000

Metal (Standing Seam)50+ yr lifespan

$18,000–$35,000

Concrete Tile50 yr lifespan

$15,000–$25,000

Clay Tile50-100 yr lifespan

$20,000–$40,000

1,800 sq ft home, simple pitch. Installed cost including tear-off.

Replacement & Full Installs

Roof Replacement Cost Calculator

Full replacement cost by material, home size, and pitch

$5,000–$30,000+8 materialsPitch multiplier

New Roof Installation Cost Calculator

New construction roof installation costs (no tear-off)

$4,000–$20,000New constructionNo tear-off

Asphalt Shingle Calculator

Shingle bundles, squares, and total installed cost

$3,500–$12,000Bundle/square calcStarter strip

Metal Roofing Cost Calculator

Metal roofing costs with energy savings vs. asphalt payback

$10,000–$40,000Energy savings50-yr lifespan

Flat Roof Cost Calculator

TPO, EPDM, modified bitumen, and PVC flat roof costs

$4,000–$14,0004 flat roof typesWarranty comparison

Tile Roof Cost Calculator

Concrete and clay tile roof costs with structural assessment

$15,000–$45,000Structural checkClay vs concrete

Components & Add-Ons

Gutter Installation Cost Calculator

Gutter costs by material, style, and home perimeter

$600–$4,000Aluminum/copper/vinylLeaf guard

Skylight Installation Cost Calculator

Skylight costs by type, size, and quantity

$800–$6,000Fixed/vented/tubularMulti-skylight discount

Roof Decking Calculator

Decking costs by material and replacement area

$1,000–$8,000OSB vs plywoodPartial replacement

Roof Truss Cost Calculator

Truss costs by type, span, and home footprint

$3,000–$15,0008 truss typesPer-truss cost

Roof Underlayment Calculator

Underlayment costs by material type and area

$200–$1,500Felt/synthetic/ice & waterOverlap included

Roof Vent Calculator

Ventilation quantities and total installation cost

$300–$2,500NFA calculationRidge/box/soffit

Downspout Calculator

Downspout costs by material, count, and height

$100–$1,200Aluminum/copper/vinylExtensions

Measurement & Planning

Roof Repair Cost Calculator

Repair costs by damage type, area, and roofing material

$150–$4,000Urgency premiumDamage type guide

Roofing Squares Calculator

Roofing squares and bundles from home size and pitch

Material calculatorPitch factorBundle/square

Roof Pitch Calculator

Roof pitch ratio, angle in degrees, and actual roof area

Free toolRise/run to angleArea multiplier

Roof Area Calculator

Actual roof area from house footprint and pitch

Free toolMulti-section roofsOverhang included

Roof Cost Per Square Foot Calculator

Compare costs per sq ft across 8 roofing materials

$1–$20+/sq ftRegional adjustmentMaterial comparison

Snow Load Roof Calculator

Design snow load using ASCE 7 methodology

Structural toolASCE 7 standardGeographic zones