Deck Square Footage Calculator
L × W = deck area. For decking material order, see deck-material.
Result
Deck area
192 ft²
≈ 17.8 m².
- L16 ft
- W12 ft
- Area192.0 ft²
- m²17.84
Step-by-step
- Area = 16 × 12 = 192 ft².
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
Sum the area of each level (level 1 + level 2). They share posts at junctions but each level is its own surface.
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