Interior & Finishing Calculators
Paint, tile, drywall and wallpaper quantities for renovations, remodels and repairs.
Paint, tile, drywall and wallpaper are sold in units that never match the room. These calculators turn room dimensions into gallons, tiles, boxes, sheets and rolls, with a waste allowance already included so you are not one box short on the last wall.
Paint Calculator
Estimate gallons of interior paint from room dimensions, ceiling height, coats, doors and windows. Includes a cost estimate.
Open calculator → Interior & FinishingTile Calculator
Calculate floor or wall tile quantity from room dimensions and tile size. Includes waste, box count and a cost estimate.
Open calculator → Interior & FinishingDrywall Calculator
Estimate drywall sheets for walls and ceilings from room dimensions. Includes door and window deductions, waste and cost.
Open calculator → Interior & FinishingWallpaper Calculator
Calculate wallpaper rolls from room dimensions, roll size and pattern repeat. Deduct doors and windows and add matching waste.
Open calculator →