Mulch Calculator

Find how many cubic yards or bags of mulch you need to cover a garden bed at your chosen depth.

How to use

Enter your dimensions above and BuildTally instantly estimates the mulch you need and the material cost. Prices are national-average defaults — your local supplier quote may differ.

Common questions

How many bags of mulch in a cubic yard?

A cubic yard equals 13.5 bags of 2-cubic-foot mulch.

How deep should mulch be?

2–3 inches is ideal for most beds; too deep can suffocate roots.

Estimate only. Confirm quantities with your supplier before ordering.

Local cost estimates

See mulch prices for your area → Mulch cost by city (175 U.S. cities).

Popular sizes