Drywall, paint & walls calculators
Sheets, mud, gallons, rolls, battens and R-values for every wall and ceiling in the room.
Drywall Calculator
Enter your rooms or square footage, pick the sheet size and get sheets, screws, mud, tape and a printable material list.
Open the Drywall CalculatorPaint
Paint Calculator
Enter the room (or one wall, or the square feet), coats and surface, and get gallons of wall, ceiling and trim paint in the cans to buy.
Exterior Paint Calculator
Enter the house footprint, wall height, gables and siding, and get gallons of body paint, trim paint and primer in the cans to buy.
Wall coverings
Wallpaper Calculator
Enter the walls, roll size and pattern repeat, and get strips per roll, strips to hang and the rolls to buy, laid out on your wall.
Board and Batten Calculator
Enter the wall, batten width and the gap you want, and get the exact even spacing, a drawing of the wall and the boards and nails to buy.
Wainscoting Calculator
Enter your walls and pick a style, and get the wainscot height, panel widths spaced evenly per wall, and the rails, stiles, cap and molding to buy.
Shiplap Calculator
Enter the wall or ceiling, board face width and length, and get the rows, linear feet, boards to buy and nails, drawn on your wall.
Drywall
Drywall Calculator
Enter your rooms or square footage, pick the sheet size and get sheets, screws, mud, tape and a printable material list.
Drywall Mud Calculator
Enter the board area or sheet count, pick a compound and finish level, and get compound, packages and tape.
Plaster Calculator
Plaster bags = area ÷ coverage per ton × 2,000 lb ÷ 50 lb: 500 sq ft of Red Top over gypsum lath takes 12 bags of 50 lb plus 15 cu ft of sand.
Insulation
Insulation Calculator
Pick your state or climate zone and where you insulate, then get the target R-value, thickness and how many batts or bags to buy.
Blown In Insulation Calculator
Enter the attic area, the R-value you want and what is up there now, and get bags, depth and weight from the bag chart.
Spray Foam Calculator
Enter the area and thickness, pick open or closed cell, and get board feet, R-value and kits.
Ceilings
Project planners
- Build a shedFoundation, framing, roof, siding and cost for a backyard shed.
- Finish a basementFraming, insulation, drywall, ceiling, flooring and cost for a basement finish.
- Bathroom remodelTile, thinset, grout, fan, paint, caulk and the remodel cost for a bathroom.
- Paint a roomWall area, paint, patching, trim and cost for repainting a room.