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How Much Decorative Rock for a 4×4 Fire pit area?

The answer

0.16 ton

For a 4×4 ft fire pit area at 3" depth, with 10% overage included. Estimated cost: $15 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: 4 × 4 = 16 sq ft
  2. 2. Volume: 16 × (3/12) = 4 cubic feet
  3. 3. Convert + overage: Add 10% for waste → 0.16 ton
  4. 4. Cost: 0.16 × $90.00 ≈ $15

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