If rectangular about 21,000 gallons
if oval about 16,000 gallons
15,320.1 US gallons of water.
About 18,402 gallons.
13,594 US gallons of water.
1,770 gallons.
3384 gallons for every foot deep it is.
15,320.1 US gallons of water.
10,408 gallons.
7,646.4 gallons are needed.
About 18,402 gallons.
About 24 gallons.
Approximately 1,616 US gallons.
1.5x4x6x7.48 gallons/cubic foot=269.28 us gallons
13,594 US gallons of water.
1,770 gallons.
My answer would be 18.75 gallons
9,440 gallons.
About 4,650 gallons.