Interior Finishing Calculators & Estimators
Drywall, paint, tile, flooring, insulation and trim quantities. Built for homeowners planning a project and contractors preparing a bid: enter dimensions, get the quantities and budget ranges suppliers actually quote in.
Drywall Calculator
Sheet count, mud and tape for walls and ceiling from room dimensions.
Paint Calculator
Gallons of paint by wall area, coats and coverage rate.
Tile Calculator
Tile count and boxes from area and tile size, with cut waste.
Flooring Calculator
Floor area with waste factor for any covering, plus per-room math.
Laminate Flooring Calculator
Laminate boxes from area and per-box coverage.
Carpet Calculator
Carpet in square yards from room size, with roll-width seam waste.
Wallpaper Calculator
Roll count from wall area, roll coverage and pattern repeat.
Insulation Calculator
Batts, rolls or blown bags from area and product coverage.
Baseboard Calculator
Trim linear feet and stick count from room perimeter.
Crown Molding Calculator
Crown linear feet and pieces with corner waste factored.
Deep dive: Wallpaper pattern repeat, explained
Deep dive: Thinset vs mastic: which tile adhesive