Paint, Drywall, Tile and Flooring Calculators
Turn room measurements into paint cans, drywall sheets, tile boxes, flooring packages, and wallpaper rolls.
Choose a calculator
Calculate wall and ceiling paint, coats, cans to buy, and cost using the coverage on your paint label.
Drywall CalculatorEstimate wall and optional ceiling area, full drywall sheets, and board cost with editable sheet sizes.
Tile CalculatorCalculate tiles and full boxes for a floor or wall, including dimensions, waste, and purchase cost.
Flooring CalculatorCalculate laminate, vinyl, or wood flooring boxes, purchased coverage, surplus, and installed budget.
Wallpaper CalculatorEstimate wallpaper rolls from full-height drops, repeat matching, trimming, and your actual roll dimensions.
Plan the order
Choose the surface
Floor area, wall area, and ceilings are different measurements. Enter openings only for the surface they affect.
Use product coverage
Paint coverage, physical sheet size, box coverage, and wallpaper repeat determine the purchase.
Check the layout
The material estimate is a starting point. Seams, cuts, patterns, and handling constraints need a practical layout.
Examples and quantity guides
Estimate drywall wall and ceiling area, compare 4×8 and 4×12 sheets, and understand cutting and layout limits.
Flooring Boxes and Waste: Coverage, Surplus and CostConvert net floor area to complete laminate, vinyl, or wood flooring boxes and compare real purchase costs.
Paint Coverage and Coats: How Many Gallons to BuyCalculate room wall area, subtract openings, apply coats once, and round the result to paint cans.
Tile Waste and Box Rounding: Order the Right QuantityUnderstand why measured tile area, cutting allowance, tile count, and complete boxes give different totals.
Wallpaper Pattern Repeat: How It Changes Roll CountCalculate usable full-height wallpaper drops after repeat matching and trimming, with a worked roll-yield table.
Compare the options
Compare paint cans and wallpaper rolls using the same wall area, product coverage, pattern repeat, preparation, and labor.
Vinyl vs Laminate Flooring: Compare Boxes and Installed CostCompare vinyl and laminate flooring using package coverage, installation scope, preparation, and product-specific requirements.