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Deck Calculator
Calculate decking boards, joists, posts, screws, and total cost for your deck project.
Deck Dimensions
Deck Area (sq ft)
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Estimated Cost
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Materials List
Deck Boards
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Linear Feet
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Joists
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Posts (4x4)
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Screws (lbs)
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Beams
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About This Calculator
This deck calculator estimates materials based on standard construction practices. Posts are spaced every 6-8 feet. Includes 10% waste factor for board cuts. Actual materials may vary based on design complexity, railing, stairs, and local building codes.