Drywall Material Calculator

Free Contractor Tool

Drywall Material Calculator

Estimate drywall sheets, joint compound, tape, screws, corner bead and material costs for rooms, renovations and new drywall installations.

1 Enter the room dimensions

Room Length (ft)

Room Width (ft)

Wall Height (ft)

2 Project details

Drywall Sheet Size

Waste Allowance

Drywall Layers

Useful for fire-rated, soundproofing or double-layer assemblies.

Include the ceiling

Ceiling Layers

3 Doors and windows

Number of Doors

Average Door Width (ft)

Average Door Height (ft)

Number of Windows

Average Window Width (ft)

Average Window Height (ft)

Openings are deducted from wall area before the waste allowance is applied.

4 Corner bead

Outside Corners

Enter the number of vertical outside corners requiring corner bead.

Corner Bead Piece Length (ft)

Screws Per Sheet

Adjust based on framing spacing, wall/ceiling use and local requirements.

Joint Compound Coverage / Bucket (sq. ft.)

Joint Tape Per Sheet (linear ft)

Tape Roll Length (ft)

Screws Per Box

Compound Coats / Factor

Drywall Cost / Sheet ($)

Compound Cost / Bucket ($)

Tape Cost / Roll ($)

Screw Cost / Box ($)

Corner Bead Cost / Piece ($)

Please enter valid room dimensions before calculating.

Estimated Drywall Materials

Preliminary quantities for estimating and material planning. Confirm final quantities against plans, field measurements and product requirements.

Wall Area 0

Total Board Area 0

Drywall Sheets 0

With Waste 0

Material	Calculation	Estimated Quantity
Drywall Sheets	Adjusted board area ÷ sheet coverage	0 sheets
Joint Compound	Total board area ÷ compound coverage	0 buckets
Joint Tape	Estimated seam tape ÷ roll length	0 rolls
Drywall Screws	Sheets × screws per sheet	0 screws
Screw Boxes	Total screws ÷ screws per box	0 boxes
Corner Bead	Outside corner footage ÷ piece length	0 pieces

Estimated Material Subtotal $0.00

Important: This drywall calculator is intended for preliminary estimating only. Actual material requirements vary by framing layout, drywall orientation, sheet cuts, openings, ceiling design, fire-rated assemblies, soundproofing requirements, finishing level, fastener schedule, local building codes and installer preference. Always confirm final quantities before ordering materials.

How to Use the Drywall Material Calculator

This drywall calculator is designed to help contractors, estimators, remodelers, and homeowners quickly estimate the amount of drywall and finishing material needed for a room.

Enter the room length, width, and wall height, then choose your drywall sheet size, waste allowance, and whether the ceiling should be included. You can also deduct doors and windows, account for multiple drywall layers, and estimate corner bead.

The calculator will estimate:

Drywall square footage
Number of drywall sheets
Joint compound
Drywall tape
Drywall screws
Screw boxes
Corner bead
Optional material costs

It is useful for early job planning, rough estimates, material takeoffs, and double-checking orders before purchasing supplies.