DrywallPro
v2.0 Now Available with 3D View

Professional Drywall
Layout & Material Estimator

Stop overbuying materials. Get precise shopping lists and visual cut maps for your construction projects in seconds.

Dimensions

Settings

Enter dimensions to calculate

Trusted by Contractors

Advanced Estimation Logic

We don't just divide area by sheet size. Our algorithm accounts for standard staggered seams (Brick Pattern), typical joint compound consumption rates (Levels 3-4 finish), and optimized fastener spacing.

Estimation Formulas

How we calculate your materials

Transparency is key. Here are the exact formulas we use to generate your shopping list.

What is Drywall?

Drywall (also known as plasterboard, wallboard, sheet rock, or gypsum board) is a panel made of calcium sulfate dihydrate (gypsum), with or without additives, typically extruded between thick sheets of facer and backer paper, used in the construction of interior walls and ceilings.

Why use this calculator?

  • Prevents overbuying materials
  • Reduces waste with optimized cuts
  • Accounts for professional finish levels
  • Instant shopping list generation

How do we estimate Joint Compound?

We use the industry standard of approximately 0.053 buckets (4.5 gal) per 4x8 sheet. This covers tape bedding, fill coat, and finish coat for a Level 4 finish. For 20 sheets, you'd need about 1 bucket.

How is Drywall Tape calculated?

We estimate 37 linear feet of tape per 4x8 sheet. This accounts for all vertical seams, ceiling joints, and inside corners. A standard 500ft roll typically covers about 13-14 sheets.

How many Screws do I need?

The formula assumes 50 screws per sheet (spaced 16" o.c. on edges and 12" in the field). We calculate the total weight based on standard 1-1/4" coarse thread screws (approx. 150 screws per lb).

What is Staggered Layout?

Staggering (or brick-patterning) drywall seams strengthens the wall and makes joints harder to see. Our visualizer automatically offsets seams by at least 2 feet to prevent weak points.