Deck Square Footage Calculator
L × W = deck area. For decking material order, see deck-material.
Result
General calculation reads
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How to use this calculator
- Enter deck dimensions.
- For irregular shapes, use square-footage-irregular.
About this calculator
A simple square-footage variant for deck planning. For multi-level or irregular decks, sum the rectangles. Use deck-material for board, joist, post counts.
Frequently asked
Multi-level decks?+
Including stairs?+
Cost per square foot?+
Permit threshold?+
Maximum recommended size?+
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