You need to provide information on the area of the pool as well.
6015.77 gallons
319.2 gallons for every inch the water in it is deep.
18,000
5300 Gal
13,346 gallons per vertical foot.
How large is the pool? In ground or above ground? Shape? Above ground is easier to calculate. I have an oval above ground pool which is 18 x 38. It holds approx. 15,000 gallons. To get an accurate answer, you need to be far more specific.
About 18,000 gallons.
18,506 U.S. gallons
An 18x54 above ground round pool typically holds around 7,646 gallons of water when filled to the recommended level.
10053.82 gallons (US) 8371.568 gallons (UK)
The Evergreen 747 firefighting Water tanker
It would fill about 91,000 residential in-ground swimming pools.