Size Gallons / Liters Perimeter 12' x 24' 8,000 / 30,300 64' 14' x 28' 10,600 / 40,100 74' 16' x 32' 16,900 / 64,000 85' 18' x 36' 19,900 / 75,300 95' 20' x 40' 25,900 / 98,000 106' 20' x 42' 27,200 / 103,000 111'