Deck Board Calculator
Calculate deck-board rows, stock pieces and total linear footage from deck dimensions, board width and spacing.
Results
Deck area
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Board rows
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Stock boards
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Total installed linear length
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Use the result as a planning estimate and verify project-specific dimensions, product information and local requirements where relevant.
How it works
The calculator fits equal-width board rows across the deck width using the chosen gap, then determines how many stock pieces are needed along the deck length.
rows = ceil((deck width + gap) ÷ (board width + gap))