How To Calculate Cubic Yards of Mulch and/or Material Required
In general, for 100 square feet area, you'd need approximately 0.62 cubic yards for a 2-inch depth and 1.54 cubic yards for a 5-inch depth. Adjust amounts according to your specific area and desired depth.
For Rectangles: Measure the length and width that the product will cover then input the desired depth. Most yards aren’t perfectly square so factor in a small difference in the final calculation.
For Circles: Measure diameter (width) of the circle, then input the desired depth. Factor in a small difference in the final calculation for the size of the tree trunk.
You should plan on 2-3" depth of mulch over previously mulched areas and 3-4" depth of mulch for new mulched areas.
A cubic yard is the volume of material which fits in a space one yard wide by one yard deep by one yard high. Cubic yards are used to measure materials ranging from concrete to mulch for your beds and gardens.
Common materials that are measured in cubic yards include:
Concrete
Gravel
Sand
Rock
Fill Dirt
Topsoil
Mulch Compost
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