Depends how deep it is, volume requires 3 dimensions.
This pool, when filled with 4.5 feet of water, will contain about 15,300 gallons of water.
If you filled it all the way to the top it would be holding about 15,594 gallons of water. If you filled it to three feet deep, it decreases to around 10,200 gallons.
Filled to the top, this well would hold about 956 gallons of water.
A 28-foot round pool filled with 4 feet of water would contain about 18,500 gallons.
One cubic foot of water is 7.4805 gallons.
There are 4,264 gallons of water per each foot of depth for the pool. You must make your calculation based on the depth of the pool now that you have the above info.
A 100-foot round pool filled with 1.5 feet of water would be holding about 88,500 gallons.
There are 7.48052 US gallons per cubic foot.
This pool can hold up to 1,689.7 gallons of water.
There is NO way to calculate this without knowing how deep the pool is filled!
A 33-foot round pool filled to a depth of 4 feet contains 25,700 gallons of water.