Volume by water depth
| Water depth | US gallons | Litres |
|---|---|---|
| 44 in of water | 19,390 gal | 73,390 L |
| 46 in of water | 20,270 gal | 76,730 L |
| 48 in of water | 21,150 gal | 80,060 L |
Formula: 30 × 30 × 3.83 ft × 5.87 = 20,269 gal.
How many gallons is a 30 ft round × 52 in above-ground pool?
A 30 ft round above-ground pool with 52 in walls holds about 20,270 US gallons (76,730 L) when filled to 46 in of water, about 6 in below the top rail. Volume depends on the water depth, not the wall height, so measure your water and check the table.
Measure your own water depth
20,269gal
About 76,728 L
Average depth 3.8 ft
Formula: diameter² × average depth × 5.87.
- Pool shapes are never perfect. Treat this as within about 10%, and check it once by adding a known amount of salt or stabilizer and testing the change.
- Use this volume: Chlorine pH Shock All-in-one
Save this test and get reminded when it is time to retest.
Pool Calc for iPhoneComing soon to the App StoreDoses for this pool
| Job | Amount |
|---|---|
| Raise chlorine 1 ppm | 26 fl oz of 10% liquid chlorine |
| Stabilizer 0 → 30 ppm | 5.1 lb |
| Salt 0 → 3,200 ppm | 545 lb (13.6 bags) |
Full dose tables for a pool this size: liquid chlorine for 20,000 gallons, salt and stabilizer. Or put 20,269 gallons straight into the pool chemical calculator.
Check the number once
Manufacturer capacities are usually given at a stated fill level, and liners stretch. To confirm your real volume, add a known amount of salt or stabilizer and see how much the test reading moves: the volume that explains that change is your pool.
Questions
How many gallons does a 30 ft round × 52 in pool hold?
About 20,270 gallons at 46 in of water.
How many litres is a 30 ft round × 52 in pool?
About 76,730 L at 46 in (117 cm) of water.