Mulch Calculator
Estimate the volume of mulch, bark, or wood chips required for garden beds. Computes bags needed in standard 2 cu ft or 3 cu ft sizes.
Volume (Cubic Yards)1.17yd³
Volume (Cubic Feet)31.5ft³
2 Cubic Foot Bags Needed16 BagsCalculated exact: 15.8 bags
3 Cubic Foot Bags Needed11 BagsCalculated exact: 10.5 bags
Result Summary: A bed of 15x8 ft at 3" depth requires 1.17 cubic yards of mulch (including 5% waste).
Common Garden Bed Sizes
Mulch Volume Calculations
Mulch is usually measured in cubic yards or cubic feet. Standard retail bags are sold in 2 cubic feet bags.
Cubic Feet = Length * Width * (Depth / 12)Cubic Yards = Cubic Feet / 272 cu ft Bags = Cubic Feet / 2