if it's 4 ft deep 21,139.948 gal.
Approximately 4,400 gallons.
The swimming pool in Beijing Water cube is 13 metres deep
If 20' is the circumference, then the answer is 833.4 gallons.
'bout 1500 to 2000
There is NO way to calculate this without knowing how deep the pool is filled!
It depends. How deep is the pool?
12 ft round by 30 inches deep