the volume is:
2*15*20.5=615 cubic feet
1 cubic foot = 7.48 gallon
=> 615 cubic feet = 615*7.48 Gallon.
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How many gallons of water for a 15'x30' swimming pool?
15% of 10 gallons = 10*15/100 = 1.5 gallons.
Approximately 12,000 gallons.
A 15 cubic foot tank will hold a maximum of about 112.2 gallons of water.
15 ft x 15 ft x 8 ft = 1800 cu ft = 11,211.9 Imperial gallons or 13,464.9 US gallons.15 ft x 15 ft x 8 ft = 1800 cu ft = 11,211.9 Imperial gallons or 13,464.9 US gallons.15 ft x 15 ft x 8 ft = 1800 cu ft = 11,211.9 Imperial gallons or 13,464.9 US gallons.15 ft x 15 ft x 8 ft = 1800 cu ft = 11,211.9 Imperial gallons or 13,464.9 US gallons.