1 gallon
There are zero gallons in any number of square feet, as square feet have no distance in the tird dimension to qualify a volume.
7.48 gallons fill one square foot.
1 cubic foot of water is 7.48052 US gallons.
325,900 gallons.
1 gallon
There is a foot, a square foot, and a cubic foot, but there is no such thing as a square cubic foot. A foot and a square foot have no volume, so they're not related to gallons in any way. One cubic foot is the same volume as 7.48052 gallons. (rounded)
In a CUBIC (not square) foot, there are 6 and 1/4 UK gallons or 8 and 1 third US gallons
There are zero gallons in any number of square feet, as square feet have no distance in the tird dimension to qualify a volume.
7.48 gallons fill one square foot.
One acre-foot is 325,851.4 US gallons of water.
1 cubic foot equates to 6.2288 Imperial gallons.
1 cubic foot of water is 7.48052 US gallons.
325,900 gallons.
7.48 gallons
One cubic foot = about 6.229 Imperial gallons.
About 24 gallons.