Free Home Renovation Calculators
Estimate exact material quantities for any renovation project. Choose a material type below, then select your city for local pricing, building codes, and contractor recommendations.
Flooring Calculator
Calculate boxes of hardwood, LVP, or laminate. Coverage per box, waste factor, and budget-to-premium pricing for your exact room dimensions.
Tile Calculator
Estimate boxes of floor tile, subway tile, or mosaic sheets. Includes spacer sizing, waste for cuts, and material cost breakdowns.
Paint Calculator
Figure out how many gallons of interior paint, exterior paint, or primer you need. Accounts for doors, windows, and multi-coat coverage.
Concrete Calculator
Convert your slab dimensions into exact bag counts for 80 lb or 60 lb concrete mix. Volume calculations with built-in waste buffer.
Drywall Calculator
Count drywall sheets for walls and ceilings. Standard, moisture-resistant, and fire-rated options with per-sheet coverage and pricing.
How Our Calculators Work
Every renovation project starts with the same question: how much material do I actually need? Our calculators solve this by converting your room dimensions into exact purchase quantities — boxes of flooring, gallons of paint, bags of concrete, or sheets of drywall.
Each calculator uses real product packaging sizes from major manufacturers. A box of hardwood flooring covers 20 sq ft, a gallon of interior paint covers 350 sq ft on smooth surfaces, and an 80 lb bag of concrete yields 0.6 cubic feet. We include a 10% waste factor for cuts, breaks, and mistakes — the industry standard for straight-lay installations.
We show three pricing tiers — budget, mid-range, and premium — based on current national averages. Each city page includes local pricing adjustments, climate considerations that affect material performance, relevant building code requirements, and the most popular material choices for that region.
The goal is simple: walk into the store knowing exactly what to buy, or get an accurate contractor quote without overpaying for materials you do not need.