A 24-foot round pool holds approximately 13,500 gallons of water.
A 24-foot round pool with an average depth of 4 feet typically contains around 13,500 gallons of water. This calculation is based on the standard formula for round pools: diameter x diameter x average depth x 5.9. For a 24-foot diameter pool with 4 feet of average depth, the calculation would be 24 x 24 x 4 x 5.9 = 13,824 gallons.
Water Volume by Depth
- 3 feet deep: ~10,300 gallons
- 4 feet deep: ~13,500 gallons
- 5 feet deep: ~16,900 gallons
Comparison of Common Pool Sizes
| Diameter | 3 ft depth | 4 ft depth | 5 ft depth |
|---|---|---|---|
| 18 ft | 5,735 gal | 7,646 gal | 9,558 gal |
| 21 ft | 7,937 gal | 10,580 gal | 13,225 gal |
| 24 ft | 10,300 gal | 13,500 gal | 16,900 gal |
| 27 ft | 13,050 gal | 17,400 gal | 21,750 gal |
Factors Affecting Water Volume
Several factors can affect the actual water volume in a 24-foot round pool. The pool's wall height, bottom slope, and any built-in steps or benches will impact the total gallons. Additionally, water level is typically maintained 4-6 inches below the top of the pool wall, which reduces the total volume by approximately 5-7%.
Water Treatment Requirements
A 24-foot round pool with 13,500 gallons requires specific chemical treatment. For initial filling, you'll need approximately 1-2 pounds of stabilizer, 2-3 pounds of shock treatment, and 2-3 gallons of liquid chlorine. Regular maintenance requires weekly testing and adjustment of pH (7.2-7.6), alkalinity (80-120 ppm), and sanitizer levels.