Mulch Calculator

Calculate cubic yards, cubic feet, and number of bags of mulch needed for your garden or landscaping beds.

Inputs

Area
160.0 ft²
Volume
40.00 ft³
Cubic Yards
1.48 yd³
Bags Needed
20
Weight
800 lbs

Mulch Depth Guide

PurposeRecommended Depth
Weed suppression3–4 inches
Moisture retention2–3 inches
Annual beds2–3 inches
Perennial beds3–4 inches
Tree / shrub rings3–4 inches
Vegetable garden2–3 inches
Slopes / erosion control4–6 inches
Playground safety6–12 inches

Coverage by Bag Size

Bag Size@ 2" deep@ 3" deep@ 4" deep
1 cu ft6 ft²4 ft²3 ft²
2 cu ft12 ft²8 ft²6 ft²
3 cu ft18 ft²12 ft²9 ft²