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How Much Decorative Rock for a 8×12 Tree ring?

The answer

0.98 ton

For a 8×12 ft tree ring at 3" depth, with 10% overage included. Estimated cost: $88 at US national average pricing.

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Area
Volume
With 10% overage
Estimated cost (US avg)

How we calculated this

  1. 1. Area: 8 × 12 = 96 sq ft
  2. 2. Volume: 96 × (3/12) = 24 cubic feet
  3. 3. Convert + overage: Add 10% for waste → 0.98 ton
  4. 4. Cost: 0.98 × $90.00 ≈ $88

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