Mulch Calculator
Enter your bed dimensions or total area to find out how much mulch you need — in cubic yards and bag counts.
Not sure how large your area is? Use our land area calculator to measure any yard or garden bed on a map.
Your Results
Volume needed
—
2 cu ft bags
—
3 cu ft bags
—
Related calculator:
Raised Bed Soil Calculator →Filling raised beds too? Calculate how much soil you need alongside your mulch order.
Related Guides
Frequently Asked Questions
How many bags of mulch are in a cubic yard?
One cubic yard equals 27 cubic feet. You'll need 14 bags of 2 cu ft mulch or 9 bags of 3 cu ft mulch per cubic yard.
How much area does 1 yard of mulch cover?
At 3 inches deep (the standard), 1 cubic yard covers about 108 square feet. At 2 inches, it covers about 162 sq ft.
How much mulch do I need?
Measure your bed length × width to get square footage, then use our calculator above with a 3-inch depth for most garden beds.
How deep should mulch be?
Most garden beds benefit from 2–4 inches of mulch. Three inches is the standard recommendation — enough to suppress weeds and retain moisture without suffocating roots.