Drywall Sheet Count and Mud

Sheets, mud gallons, tape lf, and screws from wall and ceiling area.

Run the calculator

Example

You enter

Wall area (ft²) 1200
Ceiling area (ft²) 600
Sheet size 4x8
Waste (%) 10

You get

Sheets 62
Mud (gal) 95.4
Tape (lf) 1800
Total (ft²) 1800

Details, formula, and sources

Sheets = wall_area / sheet_area + waste factor. Mud (joint compound) = 1 gal per ~70 ft² of seams. Tape = ~0.4 ft per ft² of wall. Screws ≈ 1 per ft² (16 in OC).

USG / National Gypsum technical literature by name; GA-216 (Gypsum Association Application and Finishing of Gypsum Panel Products) by name.

GA-216 free at gypsum.org. Manufacturer guides free at usg.com / nationalgypsum.com.

Estimate. AHJ and licensed professional govern.

Field names used by the API: wall_area_ft2, ceiling_area_ft2, sheet_size, waste_percent, sheets, mud_gal, tape_lf, total_ft2

Default waste factor 10% unless user suppliesengineering practice