Coverage reference
Mulch coverage chart by depth.
Use this reference to estimate how much area one cubic yard of mulch covers at various depths.
What are you mulching?
More shapes
For rectangular or square garden beds, borders, and planting areas.
Diagram not to scaleEnter your measurements
Add a waste allowance
The suggested allowance reflects the selected bed shape.
Compare purchase options
Confirm delivery area, minimum order, and spreading service availability.
Add local price to estimate cost
How this estimate is calculated
This is a planning estimate. Confirm mulch type, site conditions, supplier yields, and application recommendations before ordering.
A reliable estimate in four steps
Measure once. See the math. Buy with confidence.
- 1Choose the bed shape
Select the geometry that matches your mulching area.
- 2Enter measured dimensions
Use US or metric units and adjust individual fields when needed.
- 3Review the waste allowance
Use the project suggestion or enter a value that matches site conditions.
- 4Compare purchase options
Use the recommended bag count or bulk quote quantity as a starting point.
Project calculators
Start with a focused mulch estimate.
Calculate the bed volume, then compare common bag sizes using editable planning yields.
Mulch Cost CalculatorGet the purchase amount from real measurements before comparing bagged and bulk mulch costs.
Rubber Mulch CalculatorEnter the area dimensions and desired depth to estimate rubber mulch volume, bag quantities, and cost.
Playground Mulch CalculatorEnter the playground area and select depth based on equipment fall height to estimate the mulch needed.
Pine Straw CalculatorEnter the bed dimensions and desired depth to estimate the number of pine straw bales needed.
Bark Mulch CalculatorEnter the bed dimensions and desired depth to estimate bark mulch volume, bag count, and cost.
Wood Chip CalculatorEnter the area dimensions and desired depth to estimate wood chip volume and cost.
Bags Per Cubic YardUse this reference to convert between cubic yards and mulch bags of different sizes.
Mulch Depth GuideLearn the right mulch depth for different landscaping situations to optimize performance and plant health.
Planning guidance
Common mulch estimate questions.
How many square feet does a cubic yard of mulch cover?
At 3 inches deep, one cubic yard covers about 100 square feet. At 2 inches, it covers 150 square feet. At 4 inches, it covers 75 square feet.
How do I calculate mulch coverage?
Multiply length × width to get area in square feet. Divide by coverage per cubic yard at your chosen depth. Add 5–10% for waste.