AbraCalc

Drywall Sheets for a 10×8 Bathroom with 8 ft Ceilings

Calculate the drywall sheets needed for a small 10×8 bathroom with 8-foot ceilings and 15% waste for cuts.

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How to use this tool

  1. Enter the room's length, width, and wall height in feet.
  2. Set the waste allowance (10% is standard; use 15% for complex rooms).
  3. The calculator outputs total wall area and the number of 4×8 sheets to buy.

Bathrooms need moisture-resistant drywall and more cuts around fixtures — use 15% waste allowance for accuracy.

Frequently asked questions

How many drywall sheets do I need?
Calculate the total wall area (perimeter × height), divide by 32 ft² per 4×8 sheet, and add a 10% waste factor for cuts and mistakes.
What size are standard drywall sheets?
The most common size is 4 ft × 8 ft (32 sq ft per sheet). 4×12 sheets are also available and reduce seams on tall walls.