Calculate mulch requirements for landscaping beds with practical depth and waste adjustments.
Mulch planning is easier when area and target depth are converted into volume before purchase.
This calculator estimates both bulk volume and bag quantity for common product sizes.
Include a small overage for uneven ground and settling.
Input length and width or total area directly.
Choose desired coverage depth in inches.
Convert area and depth into cubic measure.
Divide required volume by bag volume.
Increase total to account for settling and edge losses.
Volume = Area * Depth
Mulch quantity equals surface area times application depth, converted to bag or bulk units.
120*0.25
30 cubic ft mulch
30/2
15 bags
15*1.1
Order about 17 bags