How deep should mulch be?

2–3 inches (5–7 cm) is typical for garden beds — deep enough to suppress weeds and hold moisture without smothering plants.

How many bags is a cubic yard?

A cubic yard equals about 13.5 bags of 2 cubic feet each; the calculator shows the exact count for your area.

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Mulch Calculator

Estimate mulch for your garden beds.

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How to use the Mulch Calculator

1Enter the length and width (or total area) of your beds.
2Choose the mulch depth in inches or centimetres.
3Read the volume in cubic yards and number of bags.

About the Mulch Calculator

Free mulch calculator — find out how many cubic yards or bags of mulch you need to cover garden beds at your chosen depth. Enter the area and depth for an instant estimate.

Part of our Calculators collection. Browse all tools.

Frequently asked questions

How deep should mulch be?: 2–3 inches (5–7 cm) is typical for garden beds — deep enough to suppress weeds and hold moisture without smothering plants.
How many bags is a cubic yard?: A cubic yard equals about 13.5 bags of 2 cubic feet each; the calculator shows the exact count for your area.