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How Much Concrete for a 5×5 Footing?

The answer

0.68 cubic yard

For a 5×5 ft footing at 8" depth, with 10% overage included. Estimated cost: $112 at US national average pricing.

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You need

cubic yard

Area
Volume
With 10% overage
Or in 60 lb bag
Estimated cost (US avg)

How we calculated this

  1. 1. Area: 5 × 5 = 25 sq ft
  2. 2. Volume: 25 × (8/12) = 16.67 cubic feet
  3. 3. Convert + overage: Add 10% for waste → 0.68 cubic yard
  4. 4. Cost: 0.68 × $165.00 ≈ $112

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