How Much Mulch for a 12×18 Patio?

The answer

2.8 cubic yard

For a 12×18 ft patio at 4" depth, with 5% overage included. Estimated cost: $126 at US national average pricing.

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You need

—

cubic yard

Area: —
Volume: —
With 5% overage: —
Or in 2 cu ft bag: —
Estimated cost (US avg): —

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How we calculated this

1. Area: 12 × 18 = 216 sq ft
2. Volume: 216 × (4/12) = 72 cubic feet
3. Convert + overage: Add 5% for waste → 2.8 cubic yard
4. Cost: 2.8 × $45.00 ≈ $126

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