Find yardage and bags count of garden mulch required.
Calculator Parameters
Enter details and click calculate to view the results instantly.
Calculation Examples
Scenario Inputs
Output Result
length : 20, width : 5, depth : 3
Volume: 0.93 Cubic Yards (~ 12.5 bags of 2 cu.ft)
About Mulch Calculator
Garden Mulch Volume Calculator. Find yardage and bags count of garden mulch required. Starlightopia provides this tool completely free and online, optimized for instant, accurate computations.
Technical Specifications
CategoryConstruction
Target ValueMulch Volume Needed
Inputs Required (3)
Bed Length (Feet) (number)
Bed Width (Feet) (number)
Depth (Inches) (number)
Frequently Asked Questions
How many cubic feet are in a standard bag of shredded mulch?
Most bags of shredded bark mulch sold at garden centers contain exactly 2 cubic feet of material.
How many standard 2-cubic-foot bags of mulch make up one cubic yard?
One cubic yard equals 27 cubic feet, which requires 13.5 bags of mulch.
What is the ideal depth for spreading garden mulch?
Spreading mulch to a depth of 2 to 3 inches is ideal for blocking weed growth and keeping moisture in the soil.
Does natural wood mulch pull nitrogen out of the soil?
Wood mulch can tie up small amounts of nitrogen at the soil surface as it breaks down, but this rarely impacts deep plant roots.
How often do wood bark mulches need to be replaced?
Organic wood mulches naturally break down over time and are typically topped off or replaced every 1 to 2 years.