Free tool
Pot and potting mix calculator
Measure your pot across the top and from the rim to the bottom. See how much potting mix it needs, how many bags to buy for all your pots, and what size to move up to when you repot. Nothing is stored.
Buy
2 bags
- Per pot
- 5.2 quarts
- All pots
- 15.7 quarts
- In cubic feet
- 0.52
- Next pot size
- 9 or 10 inches
3 pots 8 inches wide, filled to an inch below the rim, take about 15.7 quarts of potting mix: 2 bags of 8 quarts. When it's time to repot, move up to 9 or 10 inches.
Treats pots as straight-sided and filled to an inch below the rim. Tapered pots need a little less. Bag sizes vary; check the label for quarts or cubic feet. Estimates only.
Repotting well
- The right mix. See choosing potting mix.
- Step by step. See repotting houseplants.
- Drainage. See pots and drainage.