All Calculators
Home Improvement Cost Calculators
Project-specific calculators for the most expensive remodels. Each one runs the same math: national cost median × your finish level × your region + 15% contingency.
$150–$500 / sqft
Kitchen Remodel Cost
Basic, mid-range, and upscale kitchen remodels by square footage and region. $150 to $500 per sqft on current national averages.
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$125–$550 / sqft
Bathroom Remodel Cost
Full-bath, half-bath, and primary-suite remodels. $125 to $550 per sqft on current national averages, before regional adjustment.
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$35–$110 / sqft
Basement Finishing Cost
Convert unfinished basement to conditioned living space. $35 to $110 per sqft, plus waterproofing and egress budgets.
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$4–$15 / sqft
Roof Replacement Cost
Asphalt, metal, and tile roof replacement by roof surface area. $4 to $15 per sqft, plus underlayment and flashing.
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$4–$25 / sqft
Flooring Cost
LVP, engineered hardwood, solid hardwood, and tile installed costs. $4 to $25 per sqft, including subfloor prep.
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$130–$400 / sqft
Room Addition Cost
New-footprint additions — bedroom, primary suite, sunroom. $130 to $400 per sqft, including foundation and roof tie-in.
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$50–$225 / sqft
Attic Conversion Cost
Convert unfinished attic to living space. $50 to $225 per sqft, including dormer and egress budgets.
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$60–$200 / sqft
Garage Conversion Cost
Convert garage to bedroom, ADU, or studio. $60 to $200 per sqft, plus floor leveling and HVAC.
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$8–$25 / sqft
Siding Replacement Cost
Vinyl, fiber-cement, and engineered wood siding by exterior wall area. $8 to $25 per sqft installed.
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$80–$350 / sqft
Full Home Remodel Cost
Whole-house gut renovation by total existing footprint. $80 to $350 per sqft, including kitchen, baths, and mechanical.
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$250–$1,400 / window
Window Replacement Cost
Insert and full-frame window replacement by window count. $250 to $1,400 per window installed, vinyl through wood-clad.
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$1.50–$3.50 / sqft
Drywall Installation Cost
Hang, tape, and finish by surface area — walls plus ceiling, not floor area. $1.50 to $3.50 per sqft, garage-grade through Level 5 skim coat.
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$15–$60 / linear ft
Fence Installation Cost
Chain link, wood privacy, vinyl, and iron fencing by linear foot. $15 to $60 per linear foot installed, including posts and one gate.
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$30–$80 / sqft
Deck Cost
Pressure-treated, composite, and premium PVC decks. $30 to $80 per sqft installed, including framing, railing, and stairs.
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Need a different scope?
The master calculator on the homepage covers all ten project types we have data for — including roof replacement, siding, flooring, attic conversions, garage conversions, and full-home gut renovations. Use it when your project doesn't fit neatly into one of the calculators above.
Estimates only. Actual costs may vary based on site conditions, permits, market labor rates, and material price changes. Consult a qualified contractor before committing to a scope.