Things you may need
A quick list for the aisle. You may already own half of it.
- Drywall sheets
- Drywall screws
- Joint compound
- Tape
- Utility knife
- T-square
- Mud pan
- Sanding sponge
Estimate drywall sheets, screws, joint compound, and material cost for simple wall projects.
Use the defaults for a quick estimate, or adjust the advanced fields to match the product you plan to buy.
A quick list for the aisle. You may already own half of it.
The calculator uses your measurements plus ordinary unit conversions. Editable fields handle the parts that change by product: waste, coverage, bag yield, box coverage, or material density.
The buy recommendation rounds up because stores do not sell half gallons, partial boxes, or a fraction of a bag.
Actual material needs change with product, installation method, surface condition, layout, waste, and local requirements. For structural, permit, drainage, electrical, plumbing, or load-bearing work, get qualified local guidance.
A rough planning number is about 32 screws per 4x8 sheet. Real fastening patterns depend on framing and local requirements.
Subtract large openings if you know the square footage. Keep a waste buffer because cutouts still create scrap.
It can estimate flat square footage, but ceiling work may need extra help, thicker board, or different fastening.
Accuracy
Where estimates work, where they fail, and when to check the product label instead.
Painting
Estimate how many gallons of paint to buy based on room size, wall height, doors, windows, coats, coverage, waste, and price.
Walls
Estimate wallpaper rolls from wall length, wall height, openings, roll coverage, pattern waste, and price.