Drywall Calculator

Calculate drywall sheets, joint compound, fasteners, and costs for walls and ceilings

Room Specifications

Calculation Type

Drywall Thickness

Drywall Sheet Size

Waste Factor

Enter room specifications to calculate drywall requirements

1/2 inch: Standard walls and ceilings
Most common residential use

5/8 inch: Fire-rated walls
Required for fire separation

3/4 inch: Sound-rated walls
Better sound insulation

Stud Spacing: 16 or 24 inches
Standard framing spacing

Screw Spacing: 12-16 inches
Secure attachment to studs

Joint Compound: 3 coats minimum
Proper finishing technique

Joint Compound: 1 gallon per 100 sq ft
For taping and finishing

Drywall Screws: 32 per 4×8 sheet
Standard attachment pattern

Drywall Tape: 1 roll per 200 sq ft
For reinforcing joints