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Drywall Material Estimate
21 sheets for 595 ft² of drywall
Generated
5/23/2026
Materials
Sheets needed (4×8)21
Total drywall area595 ft² (595 ft²)
Wall area403 ft²
Ceiling area192 ft²
Joint compound2 buckets
Joint tape595 ft
Drywall screws~672
Room layout (top-down)
Step-by-step calculation
Formula
Wall area = perimeter × height − openings. Ceiling area = L × W (if included). Sheets = ceil(area ÷ sheet area × (1 + waste%)).
- 1Room: 16 × 12 × 8 ft (perimeter = 56 ft).
- 2Wall area (with openings deducted): 56 × 8 − 45.0 = 403.0 ft².
- 3Ceiling area: 16 × 12 = 192.0 ft².
- 4Total area: 595.0 ft² = 595 sq ft.
- 5595 ÷ 32 sq ft per sheet × 1.10 (10% waste) = 21 sheets.
- 6Joint compound: ~1 bucket per 450 sq ft → 2 buckets.
- 7Joint tape: ~1 ft per sq ft → 595 ft.
- 8Drywall screws: ~32 per sheet → 672 screws total.