How Many Gallons In A Backyard Swimming Pool. A 16-by-32-foot pool with the same depth will hold about 19200 gallons and a 20-by-40-foot pool will hold 30000 gallons. 50 meter pools are used in the Olympic Games World Championships international.

Your in ground pool is 12 Ft wide. W x Shallow Depth 16 x 4 64. Rectangle square or free-form pool.
An Olympic-sized swimming pool holds around 660000 gallons of water whereas a Junior Olympic-sized pool holds approximately 280000 gallons.
For example a pool that is 4 12 feet deep from end to end. Well I think the previous answer was the best but Ill have a go at it in spite of not knowing what kind of pool youre talking about. That includes bathing doing laundry flushing the toilet and everything else. The volume of your pool is a calculation of your swimming pools dimensions multiplied by your pools average depth.
