fill pots without guessing
Potting Soil Calculator
Estimate how many product bags are needed for round containers using their inside dimensions. Free to use. No account required.
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Miracle-Gro Performance Organics All Purpose Container Mix
The manufacturer lists this container mix in a 1-cubic-foot package.
View Miracle-Gro product pageSpecification checked July 10, 2026. Brand names belong to their respective owners and identify the selected product only.
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Bags to buy
8 bags
Miracle-Gro Performance Organics All Purpose Container Mix
Published bag specification
1 cu ft per bag
The manufacturer lists this container mix in a 1-cubic-foot package.
Find a garden centerPackage specifications can change. Confirm that the product name and package size match what you are buying, then follow the current label.
how this calculator works
Estimate potting mix from inside container dimensions
Container labels and outside dimensions can overstate the usable soil volume. Enter the inside diameter, actual fill depth, and number of pots, then calculate against a selected package size.
- 1Measure the inside diameter of the pot.
- 2Measure only the depth you will fill with mix.
- 3Enter the number of matching containers.
- 4Choose the exact potting-mix package or enter your own bag volume.
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