It depends on how deep and how tapered the pot is. A straight-sided pot that is 12 inches wide and 12 inches deep holds about 5.9 US gallons (22 litres) to the rim. Most real 12 inch pots taper and are shallower, so they usually hold less. Enter your pot’s measurements below.
Pot volume chart
Volume in US gallons of a straight-sided round pot, filled to the rim. Tapered pots hold less than these figures.
Where to buy
Amazon affiliate links: if you buy through them, I may earn a small commission at no extra cost to you.