Walls, floors & paint calculators
Paint, wallpaper, drywall, tile, flooring, carpet, grout and baseboard for a room: gallons, rolls, sheets, boxes and linear feet.
- Baseboard calculatorCalculate how much baseboard you need for a room in linear feet and 8, 12 or 16 ft pieces, with door openings taken out and extra for cuts.
- Carpet calculatorFind how much carpet to buy for a room in square feet and square yards, based on how it's cut from a 12 or 15 ft roll, plus pad and cost.
- Drywall calculatorFind how many 4x8, 4x10 or 4x12 drywall or wallboard sheets you need for a room, plus joint compound, tape and screws, with extra for waste.
- Flooring calculatorFind how much hardwood, laminate or vinyl plank flooring to buy for a room — square feet with waste, boxes, underlayment rolls, baseboard length and cost.
- Grout calculatorCalculate how much grout you need from tile size, thickness and joint width — in pounds and 25 or 7 lb bags — calibrated to a manufacturer coverage chart.
- Paint calculatorEnter the room size, doors, windows and coats to find how much paint you need — in gallons and quarts to buy — with an optional cost estimate.
- Tile calculatorFind how many tiles and boxes you need for a floor or wall from the room size, tile size and grout joint, with extra for cuts and an optional cost estimate.
- Wallpaper calculatorFind how many rolls of wallpaper a room needs from its size, wall height, doors, roll size and pattern repeat, using the strip method wallpaper hangers use.