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.
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.
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.
need to know how LONG it is.If the water is 6 ft wide and 18 inches deep, then there are5.61 gallons of water for every inch of length.
For me I would convert to cubic feet and then to gallons. 30" : 2.5 ft 18" : 1.5 ft 6". : 0.5 ft Multiply all to get 1.875 cubic feet volume water is 7.48 gallons per cubic foot volume so 7.48 x 1.875 is 14.025 gallons
1.5 ft
Is the pool a circle? Do you want US gallons, or Imperial gallons?
4 ft = 48 inches231 cubic inches = 1 gallonVolume = 48" x 31" x 18" = 26,784 cubic inches = 115.95gallons (rounded)
18 inches is 1.5 feet.
99.74 gallons (rounded)
359 gallons for every inch the water is deep.
1 foot = 12 inches, 18 feet = 216 inches.
1 ft = 12 in → 18 ft 11.5 in = 18 × 12 in + 11.5 in = 227.5 in