Estimate deck area and project cost from deck dimensions, cost per square foot and a contingency percentage.
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A 12×16 deck is 192 square feet; at $35 per square foot the base estimate is $6,720.
Estimate deck area and project cost from deck dimensions, cost per square foot and a contingency percentage. The result is intended for quick estimates, checking arithmetic and comparing scenarios. When a result affects a contract, tax filing, medical decision, building-code requirement or other high-stakes situation, verify the result with the appropriate professional or authoritative source.
A 16-by-12-foot deck has 192 square feet. At $35 per square foot, base cost is $6,720 before the 10% contingency.
The installed square-foot rate should cover the items you intend to budget.
Permits, stairs, railing, foundations, demolition, and site conditions can materially change an estimate.
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Estimate deck area and project cost from deck dimensions, cost per square foot and a contingency percentage.
Estimated base cost = length × width × cost per square foot. Contingency adds a percentage for waste or unexpected project costs.
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