Painting a room looks simple until you're halfway through the second coat and realize you need another gallon. These calculators estimate paint, wallpaper, drywall and joint compound so you buy once and buy right.
Paint CalculatorSee exactly how many gallons to buy so you are not half a gallon short mid-room.→Drywall CalculatorCount 4x8 or 4x12 sheets for walls and ceiling, with doors and windows deducted.→Siding CalculatorEstimate vinyl or wood siding squares for your house exterior.→Wallpaper CalculatorFigure out wallpaper rolls for a room, matching ceiling height and pattern repeat.→Insulation CalculatorCount batt or loose-fill bags by wall area and the R-value you need.→Paint Spray CalculatorCompare material use between spraying and rolling paint on a surface.→