Worked example
How Much Mulch for 500 Square Feet?
This example uses a 25 ft by 20 ft bed to represent 500 square feet and lets you adjust depth and bag size.
Landscaping
Calculator inputs
Mulch Calculator Results
Results update in your browser as you edit inputs. They are planning estimates, not complete shopping lists.
Enter project dimensions to calculate material quantity.
Inputs used in this example
- Area: 25 ft by 20 ft, equal to 500 sq ft.
- Depth: 2 inches.
- Bag size: 2 cubic feet per bag.
Expected output
The calculator estimates about 83.33 cubic feet, 3.09 cubic yards, and 42 bags if each bag contains 2 cubic feet.
Formula explanation
- Convert depth from inches to feet.
- Multiply area by depth to get cubic feet.
- Divide cubic feet by 27 for cubic yards.
- Divide cubic feet by bag size to estimate bags.
Main calculator
Use the full Mulch Calculator to change dimensions, waste factor, and optional user-entered unit price.
FAQ
Can I use a different bed shape?
For irregular beds, break the area into smaller rectangles or enter equivalent length and width.
Does this include delivery?
No. It estimates material quantity only.