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How Much Concrete for a 5×7 Footing?

The answer

0.95 cubic yard

For a 5×7 ft footing at 8" depth, with 10% overage included. Estimated cost: $157 at US national average pricing.

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cubic yard

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

How we calculated this

  1. 1. Area: 5 × 7 = 35 sq ft
  2. 2. Volume: 35 × (8/12) = 23.33 cubic feet
  3. 3. Convert + overage: Add 10% for waste → 0.95 cubic yard
  4. 4. Cost: 0.95 × $165.00 ≈ $157

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