How Many Gallons are in a Swim Spa?

If you are considering purchasing a swim spa, you may be wondering how many gallons are in a swim spa. Like a pool or hot tub, this is dependent on the size of your spa and the model. However, as an estimate swim spa can typically range from 1450 gallons for a small model to about 2500 for a larger, family sized spa. To find out how you can calculate how many gallons of water a swim spa may hold and examples of different sizes and water capacity, keep reading below.

Spa Water Calculations

It is important to know how much water your spa contains to ensure that you are using the proper amount of chemicals to keep your water sanitary. If you are not sure how many gallons of water your swim spa holds, you can use the calculator below to determine the approximate number of gallons or litres.

Length (inches/inside) X Width (in inches/inside) X Average Water Depth (inches) X 0.00434 = Volume in Gallons.

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Length (Meters) X Width (Meters) X Average Water Depth (Meters) X 1000 = Volume in Liters.

AquaTrainer 14fX

Weight Full
 16707 lbs / 7580 kg

Weight Empty
 2302 lbs / 1044 kg

Shell Length
174 Inches / 442 cm

Shell Width
93 Inches / 236 cm

Shell Height
49 Inches / 124 cm

Volume
 1727 US Gal / 6536 L

Seating
 2-3

AquaTrainer 16fX

Weight Full
 18677 lbs / 8474 kg

Weight Empty
 2460 lbs / 1116 kg

Shell Length
 186 Inches / 473 cm

Shell Width
 93 Inches / 236 cm

Shell Height
 49 Inches / 124 cm

Volume
 1944 US Gal / 7358 L

Seating
 2-3

AquaTrainer 17fX

Weight Full
 20830 lbs / 9451 kg

Weight Empty
 2627 lbs / 1192 kg

Shell Length
 210 Inches / 533 cm

Shell Width
 93 Inches / 236 cm

Shell Height
 49 Inches / 124 cm

Volume
 2182 US Gal / 8259 L

Seating
 2-3

AquaTrainer 19 DTfX

Weight Full
 21317 lbs - 9672 kg

Weight Empty
 4,000 lbs - 1815 kg

Shell Length
 226 inches - 574 cm

Shell Width
 93 inches - 236 cm

Shell Height
 53 inches - 134 cm

Volume
 2076 gallons - 7857 L

Seating
 6-7

Hydropool Swim Spa Efficiency

Even if it seems like a lot of energy will be required to keep your swim spa water clean, keep in mind that Hydropool has the most advanced self-cleaning technology on the market. This means that your spa water can be filtered 100% every 15 minutes and that your spa does not need to be running constantly to ensure clean water. In fact, our filtration system is the most energy efficient in the world.

Now that you know the ranges of gallons typical swim spas can hold and what size may best accommodate your family, download a free swim spa buyer’s guide to learn more.