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Potting Soil Calculator
Calculate potting mix and soil volume needed for your containers
Formula: Cylinder Volume (cu in) = $\pi \times r^2 \times \text{height}$. Divide by 1,728 to convert cubic inches to cubic feet. (1 cu ft $\approx$ 28.31 liters).
Container Parameters
Calculation Results
⚠️ Potting soil settles over time after watering and compaction. It is generally recommended to leave about 1 inch of space at the top of the pot and purchase 10% extra mix to account for settling and plant root displacement.