How many gallons fill a 13ft pool that is 3 feet deep?
The answer is about 2,979 gallons if you fill the pool exactly 3
feet deep. To get the answer you figure out the square feet in the
13 foot circle using the formula: Area = Pi times radius squared Pi
is approxametly 3.142 Radius is 6.5 6.5 X 6.5 X 3.142 = 132.7495
square feet 132.7495 X 3= 398.2485 cubic feet 1 cubic foot holds
7.48 gallons 7.48 X 398.25= 2,978. 91 which rounds up to 2,979
gallons