Enter your pots to see quarts and bags. Pot labels often use nominal sizes, so measuring beats guessing.
How it works
Volume of a cylinder from diameter and height, reduced to 85% for taper and headspace, then converted to quarts.
Before you order
- Leave about an inch below the rim for watering.
- Use potting mix in containers, not garden soil.
- Refresh the top layer or the whole pot each year.
Common questions
How many quarts does a 12 inch pot hold?
A 12 inch wide and 12 inch tall pot holds about 20 quarts by this estimate.
Can I reuse potting soil?
Often yes, if plants were healthy. Refresh it with new compost.