How numerous times have actually you wondered around the amount of potting floor you have to fill a flower pot or how countless seeds you can start v one bag of soil?
Here in ~ Geo Growers ours Thunderhead Potting Soil come in a 16 quart bag and a 20 gallon bag. It must be no secret as to just how much you need when the is time come repot existing plants or obtain your seeds started.
You are watching: How much is 8 quarts of soil

It will be simplest to start tiny and job-related up to medium and large volume pots.
Here at Geo Growers we highly recommend ours Thunderhead Cactus & Succulent Mix for every one of your seed starting needs. 3.5 and 4 inch pots are probably the most common for seeds starting.
Pot Size | 16 Quart Bag | 20 Gallon bag |
3.5 customs pot | ~76 | ~380 |
4 inch pot | ~33 | ~165 |
If you are not interested in seeds starting, but want come re-pot an existing plant, here are some standard tool size pots. Thunderhead original Potting Mix is great for re-potting a wide selection of houseplants and vegetable.
Pot Size | 16 quart bag | 20 gallon bag |
6 inch pot | ~13 | ~63 |
8 customs pot | ~5 | ~26 |
10 inch pot | ~3 | ~16 |
12 customs pot | ~1 | ~6 |
So a fast look tells you that a 16 quart bag the Thunderhead Potting Soil will fill

Larger pots room a bit much easier to figure out since they room not fountain of a quart, however this should help as well.
Pot Size | Volume |
8 customs pot | 3 quarts |
10 customs pot | 5 quarts |
12 customs pot | 12 quarts |
14 inch pot | 18 quarts |
16 customs pot | 22 quarts |
20 inch pot | 28 quarts |
24 inch pot | 36 quarts |
For bigger volumes it is great to recognize that 1 united state quart = 0.033420139 cubic foot. That should assist you number out how much potting floor you may need for larger planters or pots.
See more: How Long Does Cheesecake Last Unrefrigerated Cheesecake Safe To Eat?
The examples over are “typical” pot volumes, and some designs may vary considerably.