Mulch & Topsoil Calculator
Order the right amount the first time.
Cubic feet needed:
Cubic yards:
2 cu ft bags:
3 cu ft bags:
How to use this calculator
Enter the bed length, width and desired depth, then press Calculate. Cubic feet, cubic yards and bag counts are shown.
What the result means
The depth you choose drives the amount: 2-3 inches is right for most beds. Ordering by yards for bulk or bags for small beds both covered here.
Frequently asked questions
How deep should mulch be?
3 inches is the sweet spot for weed suppression and moisture retention.
Should I buy bulk or bags?
Bulk yards are cheaper for large areas; bags suit small beds and are easier to handle.