None.
A gallon is a measure of volume while a sq foot is a measure of area. The two measure different things and it makes no sense whatsoever to try to convert from one to the other.
6000
No. A pool of this size can contain a maximum of 6,000 gallons of water.
The amount of water that a 18' x 33' x 4 ft. pool holds is between 5000 and 6000 gallons. It has been reported that a more exact number closer to 6000 gallons.
181,248 gallons.
359 gallons for every inch the water is deep.
7615 Gallons
6000 ft is 6000 ft-- you must have made a mistake when you entered you question, but I can not guess what you intended.
2513.45 gallons.
A maximum of 2,019.74 US gallons of water.
One cubic foot of water contains: 7.48 gallons.
6000 ft = 6000 x 0.3048 meters = 1828.8 meters
Up to 4,318.26 US gallons of water.