How Much Mulch for a 20×20 Patio?
The answer
5.19 cubic yard
For a 20×20 ft patio at 4" depth, with 5% overage included. Estimated cost: $233 at US national average pricing.
Calculate Mulch
Common projects
You need
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cubic yard
- Area
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- Volume
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- With 5% overage
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- Or in 2 cu ft bag
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- Estimated cost (US avg)
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How we calculated this
- 1. Area: 20 × 20 = 400 sq ft
- 2. Volume: 400 × (4/12) = 133.33 cubic feet
- 3. Convert + overage: Add 5% for waste → 5.19 cubic yard
- 4. Cost: 5.19 × $45.00 ≈ $233