Free Drywall Calculator

Enter room dimensions. Get exact sheets, tape, mud & screw counts.

Wall Area (net)0 sq ft
Drywall Sheets (4x8 ft)0
Joint Tape (ft)0 ft
Joint Compound (lbs)0 lbs
Screws (approx.)0 pcs

*Based on standard 1/2" drywall, 16" stud spacing, 12% waste factor.

How to Use This Drywall Calculator

1. Enter room length, width, and ceiling height.
2. Add doors & windows to subtract non-covered areas.
3. Set waste factor (10% for simple rooms, 15% for corners/complex cuts).
4. Click calculate. Results update instantly.

Material Estimation Guide

• One 4x8 sheet covers 32 sq ft.
• Tape: ~1.2x wall area in linear feet.
• Mud: ~0.05 lbs per sq ft per coat (3 coats standard).
• Screws: ~32 per sheet for walls, 36 for ceilings.