PoolMath Pro

How many gallons in a 12×24 ft oval pool?

A 12×24 ft oval above-ground pool holds about 6,800 gallons (25,600 liters) with 4 ft of water.

By water depth

Water depthUS gallonsLiters
3.5 ft (42 in)5,90022,400
4 ft (48 in)6,80025,600
4.5 ft (54 in)7,60028,800

Formula: 3.14 × 12 × 6 × depth × 7.48. Measure the water, not the wall: water usually sits 4–6 inches below the top rail.

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At 4 ft of water

6,800gallons
540 lb salt bags0 → 3,200 ppm
8.7 fl oz10% chlorineper +1 ppm FC
11hours to fillone hose, ~10 gpm

Dose this pool: full chemical calculator · liquid chlorine · salt

Other oval pool sizes

15×30 ft oval · 16×32 ft oval · 18×33 ft oval · 21×41 ft oval

All pool sizes

Questions pool owners ask

How many gallons are in a 12×24 ft oval pool?

About 6,800 gallons at 4 ft (48 in) of water. At 3.5 ft it holds about 5,900 gallons and at 4.5 ft about 7,600. Formula: 3.14 × 12 × 6 × depth × 7.48.

How much salt does a 12×24 ft oval pool need?

Starting from fresh water, about 181 lb of pool salt (5 × 40 lb bags) reaches 3,200 ppm at 4 ft of water. Add 80–90% first, then test after 24 hours.

How much liquid chlorine for a 12×24 ft oval pool?

Raising free chlorine by 1 ppm takes about 8.7 fl oz of 10% liquid chlorine, or 14 fl oz of 6% bleach.

How long does it take to fill?

With a garden hose at about 10 gallons per minute, roughly 11 hours. Two hoses halve that.