Renovation Cost Calculator

Estimate the cost of your home renovation project by room and material type. This tool processes all data locally in your browser. No information is ever sent to any server. Completely free, no registration required.

How to Use the Renovation Cost Calculator

1. Enter your input values above
2. Results update automatically
3. Copy or download the output

What is a Renovation Cost Calculator?

A Renovation Cost Calculator estimates the cost of home renovation projects — kitchen, bathroom, basement finishing, additions, roofing, flooring, painting, and more — based on project type, square footage, material quality, and regional labor rates. In 2026, with construction costs 20-40% higher than 2019 levels and labor shortages in most trades, accurate renovation budgeting is essential before hiring contractors or starting DIY work.

How Does It Work?

Select project type, enter square footage or room dimensions, choose quality level (budget, mid-range, high-end, luxury), and region. The calculator applies national average cost data adjusted for regional labor rates to estimate: total cost range, cost per square foot, materials vs. labor breakdown (~35/65 for most projects), and return on investment (for resale). For kitchen and bathroom remodels, detailed line items show appliance/fixture/countertop component costs.

Formula

Kitchen Remodel: $150-450/sq ft (budget→luxury). 200 sq ft kitchen: $30K-$90K\nBathroom Remodel: $120-350/sq ft. 50 sq ft full bath: $6K-$18K\nBasement Finish: $30-100/sq ft. 800 sq ft basement: $24K-$80K\nRoof Replacement: $4-7/sq ft (asphalt), $8-15+ (metal)\nHardwood Flooring: $8-15/sq ft installed\nInterior Paint: $2-5/sq ft (walls only)\n\nLabor = ~35% of total (varies by trade: plumbing=50%, painting=70%)

Who Uses This Tool?

• Homeowners budgeting for kitchen, bathroom, or basement renovations
• Home buyers estimating renovation costs for fixer-upper properties
• Investors calculating fix-and-flip profit potential
• Contractors providing ballpark estimates before detailed quotes
• Insurance: estimating replacement cost for coverage adequacy

Pro Tips

• Get 3+ contractor quotes — prices can vary 100% for the same project. Don't automatically pick the lowest; check references and portfolio
• Kitchen and bathroom remodels have the highest ROI (~60-80% at resale) but also the highest absolute cost. Focus updates here if selling within 3 years
• 20% contingency is standard for renovation budgets — you WILL find surprises behind walls (bad wiring, rot, asbestos in pre-1980 homes)
• For DIY vs. pro: painting, demo, and landscaping are DIY-friendly. Electrical, plumbing, HVAC, and structural = hire licensed pros. Mistakes cost more to fix than hiring right first time

Frequently Asked Questions about Renovation Cost Calculator

How much does a kitchen remodel cost in 2026?

Minor (cabinet refacing, new counters, appliances): $25K-$50K. Major (gut, new layout, custom cabinets): $60K-$150K+. Budget $150-350/sq ft depending on finishes. Kitchens are the most expensive room per square foot.

What's the 20% contingency rule?

Add 20% to your renovation budget for unexpected issues — hidden water damage, outdated wiring, code violations found during demo, and material price changes. It's not 'if' surprises happen, it's 'when.'

Free online Renovation Cost Calculator — no signup, 100% client-side processing. All data stays in your browser.