Mulch Calculator

Estimate the quantity of landscaping mulch needed in cubic yards and 2 cu ft or 3 cu ft bags for flower beds and garden paths.

How to use this calculator

1. Enter bed size.
2. Enter depth.
3. Read cubic yards and bags.

Formula & method

Mulch Volume

Yards = (L × W × (D/12)) / 27

Loose fill volume.

Example

20x10 bed @ 3" = 1.85 cu yds (25 2-cu-ft bags).

Key insights

• 3 inch depth is optimal for weeds.

How to interpret your result

Cubic Yards

Volume for bulk ordering.

Frequently asked questions

Bags per yard?

13.5 2-cu-ft bags = 1 cubic yard.

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