As a rough guide, many round hot tubs range from 78 to 84 inches in diameter while square or rectangular can have diameters of up to 110 inches. I have two methods for finding out all the information you need to know about your hot tub so you can properly take care of it. Use these figures as a guide only. This jetting system will make you feel like royalty. A 56-sq ft. hot tub with a dry weight of 855 lbs. An 8X8 only holds 450 gallons of water, full - 3400 pounds of water. That depends on the size of the tub. * North American Spas can run single phase 240 Volt, 40, 50 and 60 amp. A gallon of water weighs roughly 8 pounds, so if your bathtub can hold around 100 gallons of water, that is roughly around 800 pounds of strain on your floor, not accounting for your body weight as well as the material of your bathtub itself, so yes, it is important to know the capacity of your tub. Depends on their size. can hold 420 gallons of water and seat 6-7 people (average weight per person = 185 lbs.). If you know how many gallons it is rated at just multiply gallons by 3.785 to get the volume in liters. Use these figures as a guide only. Each hot tub in this brand is a different size and therefore can hold different amounts of water. A standard typical 8x8 hot tub holds between 400 and 500 liters of water. How many gallons in an average hot tub? Larger hot tubs can hold around 1,500 liters of water. The average-size hot tub holds approximately 475 gallons of water. Hot tubs range in both size, shape, and depth. Method #1: Consult The Manual For Gallons in a Hot Tub. Artesian Spas provides more options and features than any other hot tub manufacturer. Bullfrog Spas X8 Large Hot Tub for 8 People, Great Value. The number of people a hot tub is made for is not always a direct indication of its size. A hot tub does not require steps for entry and exit if it is only 36 inches in height, but steps do make entry easier. While there are no standard heights for hot tubs, most measure around 36 inches high. After you washed out and cleaned your hot tub shell and filter, reinstall the hot tub filter. The X8 provides a luxurious and roomy spa experience equal to that of other premium spas, all at a price only X Series can offer. I have two methods for finding out all the information you need to know about your hot tub so you can properly take care of it. Least Weight. There are 7.5 gallons per cubic foot Water weighs 8.35 lbs per gallon 8x8=64 64 square feet x 7.5 = 480 gallons x 8.35 lbs = 4008 lbs so basically 2 tons for every foot of water you put in the 8x8 tub. The number of gallons of water a Cal Spa hot tub can hold varies. The average corner tub is 54 by 54 inches, with a diagonal of 72 inches, and if that tub has a depth of 14 inches, its capacity is 88 gallons. Number of Seats. The earliest known hot tubs were calderas. Artesian Spas provide the most effective, soothing and enjoyable form of relief when soaking in one of our hot tubs. Find out how your hot tub’s dimensions influence location, delivery, and installation. So below we’ll into a few different ways to accurately calculate yours. Using the above example with a five gallon bucket: You filled your hot tub in 1800 seconds, and filled the five gallon bucket in 30 seconds. There are 7.5 gallons in each cubic foot, so the multiplication of the number of cubic feet of the tub by 7.5 results in the volume of the hot tub in gallons.