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How many gallons in a 24 ft round pool?

About 13,500 gallons (51,200 liters), with 48 in of water. A 24 ft pool is the largest common size that many families still install themselves, and at this size hand-filling takes more than a full day.

Water depthGallonsLiters
42 in of water11,84444,836
48 in of water13,53651,241
54 in of water15,22857,646

Surface area is 452 sq ft for the circle, and each extra inch of water adds about 282 gallons, so a level check is worth doing.

What this size needs

Salt for a new salt system, to 3,200 ppm361 lb (10 × 40 lb bags)
1 ppm of chlorine, 10% liquid17 fl oz
Shock to 10 ppm, 65% cal-hypo1.7 lb
Pump flow for an 8-hour turnover28 GPM
Fill time at 9 GPM25.1 hours

Based on 13,500 gallons. For your exact volume, use the pool volume calculator.

Other sizes