Everyday calculators

Mulch calculator β€” cubic yards and bags for your beds

Work out how much mulch you need in cubic yards and 2 or 3 cubic foot bags from the bed size and depth, for rectangles, circles or a known square footage.

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How to use

  1. 1

    Enter the bed size or square footage.

  2. 2

    Set the depth (2–3 inches for most beds).

  3. 3

    Read cubic yards and bag counts.

When to use it

Spring garden beds

Measure each bed and buy the right number of bags.

Around a tree

Use the circle option with the ring diameter.

Bulk vs bags

Compare cubic yards with bag counts.

Good to know

  • One cubic yard covers about 108 sq ft at 3 inches.
  • Bulk delivery is usually cheaper above 2–3 yards.
  • Keep mulch a few inches away from tree trunks.

FAQ

How many bags in a yard?

About 13.5 bags of 2 cu ft, or 9 bags of 3 cu ft.

How deep?

2–3 inches for beds, 3–4 for paths.

Rubber mulch?

Choose it in Material for its bag sizes.

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