Pooldex

Intex pool gallons by model

Intex rates its pools from 232 gallons (Easy Set 6 ft × 20 in) to 14,364 gallons (Ultra XTR 32 × 16 ft × 52 in).

By Aliaksandr Rusinski · Published October 4, 2026 · Formulas: methodology (last changed September 30, 2026)

Always follow your product’s label directions. Pool and spa chlorine, bromine, shock and algaecides are EPA-registered pesticides: use products labeled for pool or spa use, and don’t swim or soak until levels are within the limit on your product’s label. If this page and a label disagree, the label wins.

On this page (7 sections)

A popular Prism Frame 15 ft × 48 in holds 4,440 gallons at 90% fill, and 4.5 fl oz of 12.5% liquid chlorine raises its free chlorine by 1 ppm.

Table: 25 Intex pools with capacity and fill level

Capacities are Intex's own numbers, read on each product page at intexcorp.com on 2026-09-29. The fill basis matters: Easy Set pools are rated at 80% of the wall, most frame pools at 90%, and a few pages don't say. The last numeric column compares Intex's figure with plain geometry of the nominal size, so you can see how much the box size overstates the volume.

Intex pool sizes and capacities
ModelCapacityFill basisReal ÷ nominal geometrySource
Intex Easy Set 6ft x 20in (Happy Crab / Jolly Whale)232 gal878 L80% fill0.823manufacturer
Intex Metal Frame 8ft x 20in483 gal1,828 L90% fill0.856manufacturer
Intex Easy Set 8ft x 24in513 gal1,942 L80% fill0.853manufacturer
Intex Easy Set 10ft x 24in813 gal3,078 L80% fill0.865manufacturer
Intex Easy Set 10ft x 30in1,018 gal3,854 L80% fill0.866manufacturer
Intex Metal Frame 10ft x 30in1,185 gal4,486 L90% fill0.896manufacturer
Intex Easy Set 12ft x 30in1,485 gal5,621 L80% fill0.878manufacturer
Intex Metal Frame 12ft x 30in1,718 gal6,503 L90% fill0.903manufacturer
Intex Prism Frame 12ft x 30in1,718 gal6,503 L90% fill0.903manufacturer
Intex Clearview Prism Frame 13ft x 6.5ft x 48in2,224 gal8,419 Lnot stated0.977manufacturer
Intex Easy Set 15ft x 33in2,587 gal9,793 L80% fill0.890manufacturer
Intex Prism Frame 16ft x 8ft x 42in2,873 gal10,875 L90% fill0.953manufacturer
Intex Ultra XTR Frame 14ft x 48in3,861 gal14,615 Lnot stated0.931manufacturer
Intex Prism Frame 15ft x 48in4,440 gal16,807 L90% fill0.933manufacturer
Intex Rectangular Ultra XTR Frame 18ft x 9ft x 52in4,545 gal17,205 L90% fill0.962manufacturer
Intex Prism Frame 20ft x 10ft x 48in (oval)4,809 gal18,204 L90% fill1.000manufacturer
Intex Clearview Prism Frame 16ft x 48in5,061 gal19,158 L90% fill0.935manufacturer
Intex Ultra XTR Frame 16ft x 48in5,061 gal19,158 L90% fill0.935manufacturer
Intex Easy Set 18ft x 48in5,455 gal20,649 L80% fill0.896manufacturer
Intex Greywood Prism Frame 18ft x 48in6,423 gal24,314 L90% fill0.937manufacturer
Intex Ultra XTR Frame 18ft x 52in6,981 gal26,426 Lnot stated0.940manufacturer
Intex Ultra XTR Frame 20ft x 48in7,947 gal30,083 Lnot stated0.939manufacturer
Intex Rectangular Ultra XTR Frame 24ft x 12ft x 52in8,403 gal31,809 L90% fill1.000manufacturer
Intex Ultra XTR Frame 24ft x 52in12,481 gal47,246 Lnot stated0.946manufacturer
Intex Rectangular Ultra XTR Frame 32ft x 16ft x 52in14,364 gal54,374 L90% fill0.962manufacturer

Capacities read on manufacturer pages on 2026-09-29. "Real ÷ nominal geometry" below 1 means the box size overstates the water volume.

Easy Set vs frame pools: why inflatable rings hold less

An Easy Set pool has a single inflatable ring on top and walls that lean in as the water pushes them out, so the water surface is narrower than the ring. Intex's Easy Set capacities come in at 0.823–0.896 of simple geometry, even after allowing for the 80% fill. Frame pools (Metal Frame, Prism Frame, Ultra XTR) have near-vertical walls; their ratios run from 0.856 to 1.000.

Two practical results. First, never assume two "12 ft" pools hold the same amount of water: the Easy Set 12 ft × 30 in is rated at 1,485 gallons, the Metal Frame and Prism Frame 12 ft × 30 in at 1,718 gallons. Second, an Easy Set rated at 80% will hold more if you fill it higher, so your real volume can be higher than the rating. If your doses keep overshooting or undershooting, measure your water depth and use the estimate below.

Chlorine per 1 ppm for each model

Most weekly chlorine top-ups are 1 to 3 ppm, so this table gives the amount for +1 ppm; multiply by the ppm you need. Liquid chlorine percent is the trade percent on the jug; bleach percent is by weight, as printed on the label. Use plain, unscented bleach.

Amount for +1 ppm free chlorine, by Intex model
ModelCapacityLiquid chlorine 12.5%Household bleach 6%
Easy Set 6 ft × 20 in232 gal0.2 fl oz (1.4 tsp)0.5 fl oz (2.9 tsp)
Metal Frame 8 ft × 20 in483 gal0.5 fl oz (3.0 tsp)1.0 fl oz (6.0 tsp)
Easy Set 8 ft × 24 in513 gal0.5 fl oz (3.2 tsp)1.1 fl oz
Easy Set 10 ft × 24 in813 gal0.8 fl oz (5.0 tsp)1.7 fl oz
Easy Set 10 ft × 30 in1,018 gal1.0 fl oz2.1 fl oz
Metal Frame 10 ft × 30 in1,185 gal1.2 fl oz2.4 fl oz
Easy Set 12 ft × 30 in1,485 gal1.5 fl oz3.1 fl oz
Metal Frame or Prism Frame 12 ft × 30 in1,718 gal1.8 fl oz3.5 fl oz
Clearview Prism Frame 13 × 6.5 ft × 48 in2,224 gal2.3 fl oz4.6 fl oz
Easy Set 15 ft × 33 in2,587 gal2.6 fl oz5.3 fl oz
Prism Frame 16 × 8 ft × 42 in2,873 gal2.9 fl oz5.9 fl oz
Ultra XTR Frame 14 ft × 48 in3,861 gal4.0 fl oz8.0 fl oz
Prism Frame 15 ft × 48 in4,440 gal4.5 fl oz9.1 fl oz
Rectangular Ultra XTR 18 × 9 ft × 52 in4,545 gal4.7 fl oz9.4 fl oz
Prism Frame oval 20 × 10 ft × 48 in4,809 gal4.9 fl oz9.9 fl oz
Clearview Prism Frame or Ultra XTR 16 ft × 48 in5,061 gal5.2 fl oz10 fl oz
Easy Set 18 ft × 48 in5,455 gal5.6 fl oz11 fl oz
Greywood Prism Frame 18 ft × 48 in6,423 gal6.6 fl oz13 fl oz
Ultra XTR Frame 18 ft × 52 in6,981 gal7.1 fl oz14 fl oz
Ultra XTR Frame 20 ft × 48 in7,947 gal8.1 fl oz16 fl oz
Rectangular Ultra XTR 24 × 12 ft × 52 in8,403 gal8.6 fl oz17 fl oz
Ultra XTR Frame 24 ft × 52 in12,481 gal13 fl oz26 fl oz
Rectangular Ultra XTR 32 × 16 ft × 52 in14,364 gal15 fl oz30 fl oz

1 tsp = 1/6 fl oz. Pools with the same capacity share a row. Chlorine loses strength in storage, so an old jug needs more; retest 30 minutes after adding. Always follow the product label.

Model not listed? Estimate it

Enter the size and wall height and choose "Inflatable ring" for Easy Set-type pools or "Metal frame" for everything else. The calculator takes the geometry at your fill level and multiplies it by 0.87 or 0.93, the typical ratios from our sample. Expect about ±7%. For a closer number, add a known amount of salt or stabilizer and measure the rise a day later: the app can calculate your volume from that rise.

Above-ground pool gallons

Inputs
ft
in
% of wall

Result for example values. Enter your own numbers.

4,440 gal16,807 L

Intex Prism Frame 15ft x 48in: manufacturer capacity at 90% fill.

Estimates, not guarantees. Always follow the product label. How we calculate

For start-up and weekly doses by model, see Intex pool chemicals for beginners. Sizes from other brands are in the full above-ground gallons chart, and single-size pages such as the 12 ft round, 18 ft round, and 24 ft round compare Intex with other makers. Own an Intex PureSpa too? Its capacity is on the inflatable hot tub care page.

Sources and date checked

Each capacity links to the Intex page we read it on (2026-09-29). Intex sometimes renames or retires models, and one size can be sold under several names (for example, Greywood and standard Prism Frame 15 ft × 48 in). If your box or manual gives a different capacity, trust the manual, and let us know so we can check it.

FAQ

How many gallons is a 12x30 Intex pool?

Intex rates the Metal Frame and Prism Frame 12 ft × 30 in at 1,718 gallons (90% fill) and the Easy Set 12 ft × 30 in at 1,485 gallons (80% fill). Check which type you have before dosing.

How big is a 12x30 pool?

12 ft across and 30 in tall. At 90% fill the water is about 27 in deep. It holds 1,485 to 1,718 gallons depending on the model, and needs a level area a little larger than 12 ft for the frame legs or the ring.

How many gallons in an 18x48 Intex pool?

The Easy Set 18 ft × 48 in is rated at 5,455 gallons (80% fill) and the Greywood Prism Frame 18 ft × 48 in at 6,423 gallons (90% fill). The Ultra XTR 18 ft has a 52 in wall and holds 6,981 gallons.

Sources

  • Intex above-ground pool product pages (capacities, fill levels), read 2026-09-29: intexcorp.com
  • Dose formulas and constants: methodology