Free Mulch Calculator – Estimate Mulch Needed

Garden Material Tool

Free Mulch Calculator

Estimate how much mulch you need in cubic feet, cubic yards, bags, and optional total cost.

Enter mulch area details

Formula used:
Area = length × width
Depth in feet = inches ÷ 12
Cubic feet = area × depth
Cubic yards = cubic feet ÷ 27
Bags = cubic feet ÷ bag size
Advertisement
Mulch Needed
Bags Needed
Cubic Feet
Area
Estimated Cost
Area
Depth
Final volume
Bag calculation
This is an estimate. Buy slightly extra for uneven beds and settling.