Drywall Calculator
Calculate the number of drywall sheets needed for your walls. Accounts for openings like windows and doors.
How to Use the Drywall Calculator
- Enter the total wall length in meters.
- Enter the wall height in meters.
- Enter the total area of openings (windows, doors) in m².
- Click Calculate to see how many sheets you need.
快速参考
| 从 | 到 |
|---|---|
| Small room (10 m²) | ~4 sheets |
| Medium room (20 m²) | ~7 sheets |
| Large room (40 m²) | ~14 sheets |
| Standard sheet | 1.2 × 2.4 m |
| Sheet area | 2.88 m² |
| Sheet weight (12.5 mm) | ~25 kg |
使用场景
- •Estimating drywall sheets before a renovation project.
- •Budgeting material costs for new construction.
- •Reducing waste by ordering the right quantity.
- •Planning delivery logistics based on sheet count.
公式
Sheets = ceil((Wall length × Wall height − Openings area) / Sheet area). Standard sheet is 1.2 × 2.4 m (2.88 m²).
常见问题
What size are standard drywall sheets?
Standard drywall sheets are 1.2 m × 2.4 m (4 ft × 8 ft), covering 2.88 m² each.
Should I add extra for waste?
It is common to add 10-15% extra for cuts and waste. This calculator gives the minimum count.
Is it free?
Yes, all calculators are completely free.