Your question is unclear: you need three dimensions for a rectangular box, or a height and a radius for a cylinder. One you sort that out and find the volume in cubic inches, divide by 231 to get U.S. gallons.
Chat with our AI personalities
17,820 gallons. More pool questions answered at bridgecitypools.com
6-ft x 18-in x 20-in = 72 x 18 x 20 = 25,920 cubic inches = 112.208 gallons of space,regardless of what's in it. Even if it's empty.
4 ft = 48 inches231 cubic inches = 1 gallonVolume = 48" x 31" x 18" = 26,784 cubic inches = 115.95gallons (rounded)
359 gallons for every inch the water is deep.
1 foot = 12 inches, 18 feet = 216 inches.