Drywall Calculator

Calculate the number of drywall sheets needed for walls and ceilings in your room.

Sheets Needed
Total Wall Area
Ceiling Area
Openings Deducted
Net Area + 10% Waste

Drywall Tips

  • Standard drywall thickness is 1/2 inch for walls and 5/8 inch for ceilings.
  • Always add 10-15% extra for waste from cuts.
  • Use 4x12 sheets on long walls to reduce seams.
  • Count screws: about 32 per 4x8 sheet.