Drywall Calculator (Sheets Needed)
calc_drywallRead-only
Number of drywall sheets for walls and optionally the ceiling. Formula: Sheets = (perimeter × height + ceiling area) × (1 + waste%) ÷ sheet area.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| waste_pct | No | Waste allowance (%); default 10 | |
| sheet_l_ft | No | Sheet length (ft); default 8 | |
| sheet_w_ft | No | Sheet width (ft); default 4 | |
| room_width_ft | No | Room width (ceiling) (ft); default 10 | |
| room_length_ft | No | Room length (ceiling) (ft); default 14 | |
| wall_height_ft | No | Wall height (ft); default 8 | |
| include_ceiling | No | Include ceiling; default 1 | |
| wall_perimeter_ft | No | Room perimeter (ft); default 48 |