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how do you convert gallons to inches?

Posted by
jeff-n-jessa 4
(gw:jeff-n-jessa) on
Tue, Jun 27, 06 at 22:31

Anyone know if there's a standard conversion between the "gallon" pots and "inches" ones? My instructions say to plant in a 1-2 gallon pot, but the pots at the store are all in inches. Any idea of how many inches a 2 gallon pot would be? Thanks


Follow-Up Postings:

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RE: how do you convert gallons to inches?

There are so many different kind of pots. Some are wider, some are taller. In respect to inches, I cannot see how you could convert gallons to inches, since there is not a standard width/height. Try to think of a gallon milk jug and imagine 2 of those together. Since you posted this in the banana forum, I assume that you are planting a banana? If so, you don't have to follow exactly the pot size as instructed. What kind of plant do you have and how big?


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RE: how do you convert gallons to inches?

Generally a 1 gallon pot is about 6" dia and 6-7" tall. You can use something larger.


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RE: how do you convert gallons to inches?

Yeah they do make this confusing, don't they? I have always believed (and a friend who has been in the nursery business confirmed for me) that its a way for the mass market industry to charge more for plants, by container size, not necessarily PLANT SIZE.

The "kind of accepted" standards are these:
a 4" pot= a pint
a 5/6" pot= a quart
an 7/8" pot= a gallon
(there are also 2 gallon sizes, though harder to find)
a 10" pot = a 3 gallon
a 14" pot= a 7 gallon
a 20" pot= a 10 gallon
a 24" pot = a 15 gal
a 30" pot= a 20 gal
a 35" pot = a 25/30 gal


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RE: how do you convert gallons to inches?

Thanks a lot Bihai! I repotted my 10 inch DC in a 15 inch pot (hopefully be there a while) and it looks great!


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RE: how do you convert gallons to inches?

If the pot was a perfect cylinder (the bottom was the same size as the top like a bucket) then the formula would be

gallons = pi * (diameter in inches / 2)**2 * height in inches / 1728 (number of cubic inches in a cubic foot) * 7.5 gallons per cubic foot

So for a 6 inch pot by 6 inches high = 0.7 gallons
10 inch by 10 inch high = 1.7 gallons
12 inch by 12 inch high = 5.9 gallons
15 by 15 = 11.5 gallons


For tapered pots take off 20% or so.

Another way to measure is plug the drain hole and start pouring water in a gallon at a time.


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RE: how do you convert gallons to inches?

  • Posted by chena z7 Texas (My Page) on
    Mon, Dec 4, 06 at 18:58

Hey!!!
Thanks for the great question and ALL the wonderful info...This could be very good info to have..
Chena


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