How Much Lumber for a 12×18 Deck?

The answer

238 board foot

For a 12×18 ft deck, with 10% overage included. Estimated cost: $950 at US national average pricing.

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board foot

Area: —
With 10% overage: —
Estimated cost (US avg): —

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How we calculated this

1. Area: 12 × 18 = 216 sq ft
2. Convert + overage: Add 10% for waste → 238 board foot
3. Cost: 238 × $4.00 ≈ $950

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