Plywood & Sheet Material Calculator
Calculate how many plywood, MDF or drywall sheets cover an area, including waste, free online.
About this calculator
Sheets needed = area to cover ÷ area of one sheet, plus waste for cuts (typically 10%). Standard sheets are 8 × 4 ft (2440 × 1220 mm); also common are 2400 × 1200 mm and 6 × 4 ft.