Mulch Calculator
Bags & cubic yards of mulch for your beds
Refreshing your beds? Enter the bed size and depth to find the number of 2 ft³ bags, or the cubic yards to order in bulk.
How much mulch do I need?
2–3 inches is ideal — enough to suppress weeds and hold moisture without smothering roots. The math is area × depth.
Bags vs. bulk
Bagged mulch comes in 2 ft³ bags; bulk is sold by the cubic yard (≈13.5 bags). Bulk wins past ~10–12 bags.
Frequently asked questions
How many bags of mulch in a cubic yard?
About 13.5 standard 2-cubic-foot bags (27 ÷ 2).
How deep should mulch be?
2–3 inches. Over 4 inches can suffocate roots and trap too much moisture.