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Decking Calculator
Plan a deck build — total area, deck boards, joists, screws, and cost. Supports multiple sections, board gap, joist spacing (12"/16"/24" or 300/400/600 mm), waste percentage, and imperial or metric units.
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Drywall Calculator
Calculate drywall sheets (4×8, 4×10, 4×12), screws, joint compound buckets and paper tape for any room. Subtracts doors and windows, optional ceiling, with a to-scale wall-elevation preview that shows the sheet layout.
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