Approximately 15,500 Gallons. This estimate is based on a 24 round by 54" wall height giving a full 4 ft water depth. It is in my backyard right now and has been there for 4 yrs. Hope this helps.
This pool can hold a maximum of about 18,420 gallons of water.
"3 feet round" is not clearly defined: is that the radius, the diameter, or the circumference?
300 gallons.
To calculate the volume in gallons of a round pool, do the following calculation: diameter x diameter x depth x 5.9 Example: 28ft x 28ft x 4ft x 5.9 = 18,502.4 gallons
About 2,550 gallons.
1,770 gallons.
Assuming your pool is round about 800 gallons.
6,200 gallons.
181,248 gallons.
About 4,650 gallons.
3384 gallons for every foot deep it is.
About 17,950 gallons.