Loading...
Drywall Calculator
Sheets & Mud Estimator
Estimate sheets, screws, tape, and mud for walls and ceilings. Calculate how many drywall sheets you need.
Estimate Your Drywall Cost in Minutes
Calculate how many drywall sheets, screws, and buckets of joint compound you need.
Common calculations
- Room remodel
- Ceiling replacement
- Garage finishing
You will get
- Sheets needed
- Screws & Tape estimate
- Total board cost
Quick Result
Total Board Cost
$285.00
19 Sheets of 4' x 8' (Standard)
Based on
- • Dimensions: 12x12x8 ft
- • Ceiling: Yes
- • Panel: 4' x 8' (Standard)
Room Dimensions
Material Specs
You Need
Of 4' x 8' (Standard)
Board Cost
$285.00
Joint Compound
2
Buckets (4.5gal / 17L)
Tape Needed
1
Rolls (500ft / 150m)
Screws Count
760
~6 lbs/kg
Total Area
528
Sq ft
Drywall Pro Tips
Disclaimer: This tool is for informational and planning purposes only and does not constitute professional financial, construction, or safety advice. Actual costs, ROI, and material requirements may vary significantly based on location, market conditions, and site specifics. Construction projects involve inherent safety risks; always follow local building codes, use appropriate safety gear, and consult with licensed professionals (engineers, electricians, contractors) for complex or structural work. The creators of this tool are not liable for project outcomes, injuries, or financial losses.
Methodology and Trust
Formulas
Total Area
Wall Area + Ceiling Area
Gross Area
Total Area * 1.1 (10% Waste)
Sheets Needed
Ceiling(Gross Area / Sheet Area)
Cost
Sheets Needed * Price per Sheet
Recommended Next Steps
Continue your journey with these related tools
Drywall Master Class: Flat, Smooth & Invisible
Key Insights & Concepts
Drywall (or plasterboard) is the skin of your home. While hanging it requires strength, finishing it requires finesse. A bad tape job will haunt you every time you turn on a light and see a shadow.
In 2026, lightweight drywall has become the standard. It is 30% lighter than traditional board but just as strong, saving your back. Dust-control joint compounds are also minimizing the mess of sanding.
The Finish Levels
Not every wall needs to be perfect. Know your levels:
- Level 0: Just hung. No tape. Temporary only.
- Level 1: Tape set in mud. Used for attics/garages. Fire tape only.
- Level 3: Tape + 1 coat. For heavy textures.
- Level 4: Tape + 2 coats. The standard for flat paint.
- Level 5: Skim coat over the entire wall. Mandatory for gloss paint or harsh lighting conditions.
Mud Selection Guide
Don't use the same mud for everything.
Setting Type (Hot Mud)
Comes in powder (20, 45, 90 min set times). Hardens chemically. It doesn't shrink. Use for filling gaps and the first coat (taping). Hard to sand.
All-Purpose (Bucket Mud)
Dries by evaporation. Shrinks significantly. Easy to sand. Use for the second and third coats (finishing).
The "Butt Joint" Problem
Sheets have tapered long edges, making them easy to hide. But the short ends ("butts") are not tapered. When they meet, the tape sits on top, creating a hump.
The Pro Fix: "V-out" your butt joints (carve a small V), pre-fill with hot mud, and feather out your finish coat 12-18 inches wide on each side. The wider the hump, the less visible it is.