Drywall Calculator for a Garage
Estimate sheets, screws and mud for a garage drywall job.
Enter the total wall and ceiling area and the coverage per sheet. The drywall calculator estimates the required number of sheets, screws, joint compound, and tape. A 4×8 sheet covers 32 ft². The estimates use roughly one screw and 0.5 ft of tape per ft², plus one 3.5-gallon bucket of joint compound per 400 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 else do people ask about this calculator?
What drywall goes in a garage?
⅝ in Type X (fire-rated) on shared walls with the house and any ceiling below living space. ½ in standard drywall is fine on the remaining garage walls.
How many sheets of drywall for a 2-car garage?
A 20×20 ft two-car garage with 9 ft ceilings needs about 22 sheets (4×8) for walls and 13 sheets (4×8) for the ceiling — call it 40 sheets with waste.
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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