Estimate sheets and finishing accessories before you buy more drywall than the room actually needs.
Drywall Order
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Enter room size, openings, and sheet size to estimate drywall materials.
Tap an example to prefill the calculator with sample values.
Bedroom walls
15 x 12 room with one door and two windows
A basic room estimate where openings matter but waste allowance still drives the final sheet count.
Result: Opening deductions help, but waste and whole-sheet rounding still push the order higher than net wall area suggests.
Garage finish-out
Longer walls using 4 x 12 sheets
Larger sheets can reduce seams and screw count when ceiling height still fits the panel size efficiently.
Result: Bigger sheets typically reduce joints, but the total surface area still dominates the order size.
Basement room split
Compact footprint with more openings
Useful for seeing how much doors and windows actually change sheet count on smaller wall areas.
Result: Openings reduce area, but the job still rounds to full sheets and accessories.