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Drywall Calculator

Estimate sheets, screws, mud and tape for any drywall job.

Use this free drywall calculator to estimate the sheets, screws, joint compound, and tape required for walls and ceilings. Enter the total surface area and sheet coverage to calculate sheet quantities. The tool also applies standard material allowances for fasteners, joint compound, and drywall tape.

ft²
ft²

Sheets

25

Screws

800

~1 per ft²

Mud

2 gal

Tape: 400 ft

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How does the drywall calculator work?

Add wall + ceiling area, divide by sheet coverage (a 4×8 sheet = 32 ft²) to get sheets. Estimate roughly 1 screw per ft², one 3.5-gallon bucket of joint compound per 400 ft², and 0.5 ft of tape per ft² of drywall.

What do people use the drywall calculator for?

What else do people ask about this calculator?

How many drywall sheets do I need?

Divide total wall + ceiling area by 32 ft² (for 4×8 sheets) or 48 ft² (for 4×12 sheets). Add 10% for cuts.

How many screws per drywall sheet?

About 32 screws per 4×8 sheet — 8 in on ceilings, 12 in on walls along studs.

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Where can I learn more about these materials?

Weights, coverage, types and buying tips for the materials this calculator estimates.

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