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How Much Concrete for a 6×8 Patio?

The answer

0.65 cubic yard

For a 6×8 ft patio at 4" depth, with 10% overage included. Estimated cost: $108 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: 6 × 8 = 48 sq ft
  2. 2. Volume: 48 × (4/12) = 16 cubic feet
  3. 3. Convert + overage: Add 10% for waste → 0.65 cubic yard
  4. 4. Cost: 0.65 × $165.00 ≈ $108

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