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Home Improvement
Cost Calculator
Estimate any renovation or repair project — roof, kitchen, bathroom, HVAC, windows, deck and more.
11 project types
Budget / Mid / Premium
Cost range
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Your project
National averages, labor included. Prices vary by region — get 3 quotes and use this as a fair-range check.
Estimated cost
Roof replacement
$14,400
≈ $9,600 – $19,200
Low estimate
$9,600
High estimate
$19,200
Unit price$120/m²
Quantity120 m²
Estimated total$14,400
Resale tip: kitchens and bathrooms return the most (60–90%). Roof, siding and windows boost curb appeal and energy savings.
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Roof & HVAC cost most
Roof replacement and HVAC are among the priciest projects — but also among the most essential for a home's health and value.
Always get 3 quotes
This calculator gives a fair national range. Local labor rates can swing 20–40%, so compare quotes against it.
Tier changes everything
Material quality can double a project's cost. Budget (laminate, asphalt) to premium (hardwood, quartz, metal) — plan before you start.
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FAQ
Home improvement FAQ
How much does a roof replacement cost?
Expect $80–160 per m² installed, depending on material and pitch. A typical 120 m² roof lands around $10,000–20,000.
How much does a kitchen remodel cost?
$1,000–2,200 per m² at mid-range, so a 15 m² kitchen runs $15,000–33,000. Refacing cabinets and keeping the layout saves the most.
How much does a bathroom remodel cost?
Around $1,200–2,500 per m². A typical 8 m² bathroom costs $10,000–20,000 at mid-range, more with new plumbing and premium tile.
How much does a new central AC cost?
A central AC unit runs $4,000–8,000 installed. Add ductwork or a heat pump and the total rises.
How accurate is this home improvement calculator?
It uses realistic national averages per m² or per unit. Prices vary by region, labor and material quality — use the low/high range as a planning guide.
What returns the most at resale?
Kitchens and bathrooms typically return 60–90% of cost at resale. Roof, siding and windows improve curb appeal and energy savings.
Should I get quotes?
Yes — always get 3 detailed quotes. This calculator helps you know a fair range so you can spot overpriced bids.
Does material quality change the cost a lot?
Yes. Budget materials (laminate, asphalt) can be half the cost of premium (hardwood, metal, quartz). Choose the tier that fits your plans.