AbraCalc

How Much Soil for a 4-Inch Seedling Pot?

A 4-inch round seedling pot (4 in tall) holds a small but precise amount of seed-starting mix.

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How to use this tool

  1. Select whether your pot is round (cylindrical) or square.
  2. Enter the inside diameter (or side length) and inside depth in inches.
  3. The calculator returns the volume in quarts and cubic feet.

Get the exact potting mix volume needed for 4-inch nursery pots used for seedlings and cuttings.

Frequently asked questions

How much potting soil does a 12-inch pot hold?
A 12-inch round pot that is 10 inches deep holds about 19.6 quarts (0.65 cu ft) of potting mix. Most bags are sold in 8-quart or 2 cu ft sizes.
How many quarts in a cubic foot of potting soil?
One cubic foot equals 25.75 dry quarts. A standard 2 cu ft bag of potting mix holds about 51.5 quarts.