Calculate the gallon capacity of a hot tub by multiplying the width, length, and depth of the hot tub in inches. Divide the result by 1,728. If the hot tub has seats, multiply the result by 2.4.
Full Answer
How do I calculate the gallonage of my hot tub?
How do I figure out how many gallons my hot tub is? Calculate the gallon capacity of a hot tub by multiplying the width, length, and depth of the hot tub in inches. Divide the result by 1,728. If the hot tub has seats, multiply the result by 2.4. If not, divide by 4.8. But there are different calculations for non-standard-shaped hot tubs.
How many gallons of water to fill a hot tub?
Timing Filling
- Turn on the water source that you're using to fill the hot tub and place the water hose inside the hot tub. ...
- Write down the amount of time it takes to fill in minutes and seconds.
- Fill a five gallon bucket with the same water source and hose. ...
- Multiply the number of minutes it took to fill the hot tub by 60. ...
How many gallons is a 5 person hot tub?
If you have medium sized space available in your home or backyard, you can get a 5 person hot tub. A 5 person hot tub holds 300 to 350 gallons of water. However, if you have a 5 person hot tub with customized depth, it may hold more gallons of water to get filled and to get to give you a relaxing immersing experience.
How many gallons is that hot tub?
When looking at a four to six-person hot tub, they typically hold between 300 and 450 gallons of water, while a seven to eight-person hot tub will have 475 to 650 gallons. There are many methods of calculating how much water you have in your hot tub. One method is by using a calculator and measuring tape.
How many gallons is my hot tub calculator?
Multiply the width by the depth by the length of a square or rectangular tub, and divide the resulting figure by 1,728. Multiply the result by 2.4 if the hot tub has seats, or 4.8 if the hot tub doesn't have seats. The result is the approximate amount of gallons the square or rectangular hot tub will hold.
How many gallons of water does a 7x7 hot tub hold?
Medium-Large hot tubs like a 7×7 hot tub typically hold about 370 gallons of water.
How do you calculate the volume of water in a spa?
Now divide the number of seconds it took to fill your spa, by the number of seconds it took to fill the gallon container and you will have the approximate water volume! For example: You filled your spa in 30 minutes (1800 seconds) and filled the 1-gallon container in 6 seconds. 1800 divided by 6 = 300 gallons.
How many gallons does a 4 person hot tub hold?
A typical hot tub for four people holds approximately 300 gallons. Although this may seem like a lot of water to clean and maintain, it can actually last for up to four months at a time before cleaning. Hot tub water consumption ends up being less than 3 gallons per day, or just 1% of your household water.
How many gallons of water are in a six-person hot tub?
A four to six-person hot tub can typically hold approximately 300 to 450 gallons of water. An eight to seven-person hot tub will have around 475 to 650 gallons.
What is the average size of a 6 person hot tub?
A hot tub designed to hold 6-8 people is generally classified as a larger unit, with the following average dimensions: Length: 7'-9' Width: 7'-9'2” Height: 36”-38”
How do you calculate volume?
To find the volume of a box, simply multiply length, width, and height — and you're good to go! For example, if a box is 5×7×2 cm, then the volume of a box is 70 cubic centimeters.
How many litres is a 7 man hot tub?
3,000 litresWith the popularity of hot tubs on the rise, it's becoming more common for our customers to question their increase in water usage. An average 4 seater hot tub holds about 1,250 litres of water, while a larger 7 seater hot tub will hold around 3,000 litres.
What is the volume of this cylinder?
Calculate volume of a cylinder: V = πr2h.
How many gallons is a 3 person hottub?
The number of gallons of water a 3-person hot tub can hold ranges anywhere between 200 gallons and 300 gallons.
How many gallons is my tub?
When filled to capacity (just below the overflow), a standard bathtub holds 42 gallons, but some of that water will be displaced when you get into the tub.
How many gallons does it take to fill a Jacuzzi tub?
The inside measurements of this tub could be 23 inches wide, 15 inches deep to the water level and 54 inches long. This tub holds about 80 gallons of water.
How many gallons of water does a 6 person hot tub hold?
You can expect a 6-person hot tub to hold anywhere between 320 gallons to 475 gallons of water . For example, the “Mesa” spa offered by our store can hold between 6-7 people, has up to 50 jets, and holds 380 gallons of water.
How to measure for a round hot tub?
Then multiply the width by length by depth. Divide result by 1,728. For round hot tubs, you will measure the width across the center and the depth.
How many gallons of water does a hot tub hold?
A small 2-3 person hot tub will hold approximately 300 gallons, whereas a large 7-7 person hot tub will hold up to 675 gallons or more. Hot tubs range in both size, shape, and depth. All of those factors affect how many ...
How much water does an 8 person hot tub hold?
An 8 person hot tub can hold about 615-675 gallons of water. These behemoths can weigh as much as 7800 pounds when filled! So think twice before installing one of these bad boys on your deck. I have a full article about safely putting a hot tub on a deck.
How to measure tub depth?
Use your tape measure to check the width, length, and depth of your tub. Write down all the numbers in inches, Multiply the length by the width by the depth. Take the result and divide by 1,728 (this is the number that converts cubic inches to cubic feet). Multiply again.
How long does it take to fill a hot tub?
It took 1 hour and 30 minutes to fill the hot tub. 1 hour x 60 = (60 minutes + remaining 30 minutes) x 60 = 5,400 seconds. Get your 1-gallon jug and timer ready. Make sure your hose is set at the same pressure as it was to fill your hot tub. If there’s a variance here, it will mess up the final calculation.
How to get rid of a hose in the tub?
Turn on your hose to full or a set point and leave it running in your tub. Set a timer and wait until it’s filled. This could take some time so it might be a good time to grab an adult beverage with a nice novel and relax. Stop the timer when it’s full.
Does water evaporate in a hot tub?
Water does indeed evaporate from hot tubs. This is one important reason to know precisely how many gallons your hot tub holds. You’ll have to add water accordingly from time to time. When you do, make sure to check the chemical levels to prevent bacteria growth.
How to calculate the weight of a hot tub?
Step-by-step hot tub weight calculator guide 1 Select the correct shape of the hot tub 2 Choose your preferred unit type 3 Enter the inner dimensions of the hot tub 4 Check the results. Don't forget you can change the unit system anytime.
Can you set up a hot tub in your yard?
If you want to set up your hot tub in your yard, it might not bother you much. However, if you want to use a foundation, a terrace, or set-it up inside, you have to take the weight into account for structural reasons.
How to figure out how many gallons a hot tub holds?
You can figure out the capacity of your hot tub and how many gallons it holds by filling your hot tub with a hose. Make sure you time the filling process so you know how long it took to fill. Start by turning your hose on and running it in your hot tub. Use a timer to keep track of how long it takes to reach capacity.
How many gallons of water does a 6 person hot tub hold?
An average 6-person hot tub typically holds anywhere from 320-475 gallons of water. A 6-person hot tub may present challenges for those who place their hot tub on the deck depending on the number of people who are in it at one time. See Hot Tub Prices.
How to measure the diameter of a round hot tub?
If you have a round hot tub, you must measure the width across the central point of the tub and measure the depth. Once you have the diameter, you will multiply the diameter by the depth. Divide that number by 1,728. If your hot tub has seats, multiply your result by 2.4.
How much water does a two person hot tub hold?
Typically, two-person hot tubs will hold anywhere from 150-220 gallons of water. A standard deck should not have any problem supporting the weight of a two-person hot tub. For those who want to take it up and get a three-person hot tub, ...
Measuring a Hot Tubs Capacity
The fastest way of finding a hot tub’s water capacity is by looking up the user’s manual. Most manufacturers should list the specifics of their tub in the manual. But if you lost the manual, or bought it from a second-hand dealer, then you got to calculate it manually.
How Big of a Hot Tub Do You Need?
Shopping for a good hot tub can be challenging for people who have no experience with it. People often get the wrong tub size because they fail to estimate their activity range.
How to figure out how many gallons a round hot tub holds?
Multiply the diameter by the diameter by the depth of a round hot tub. Divide the resulting figure by 1,728. Multiply the result by 2.4 if the hot tub has seats, or 4.8 if the hot tub doesn't have seats. The result is the approximate amount of gallons the round hot tub will hold.
How to calculate how long it takes to fill a hot tub?
Use a stopwatch to time how long it takes to fill. Write down the result in minutes and seconds. Multiply the number of minutes it took to fill the hot tub by 60. Add the number of seconds to the resulting figure for the total amount of seconds it took to fill the entire tub. Multiply the number of minutes it took to fill ...
How to measure the width of a round hot tub?
Measure the width of round hot tubs across the center of the tub and its depth. Multiply the width by the depth by the length of a square or rectangular tub, and divide the resulting figure by 1,728. Multiply the result by 2.4 if the hot tub has seats , or 4.8 if the hot tub doesn't have seats.
How to measure the width of a hot tub?
Measure the width of your hot tub as the distance from side to side at its widest part. Record this measurement as the width. Record all measurements as inside dimensions. If the tub is round, consider the length as the same measurement as the width. Measure the tub length, for a rectangular tub, and record this measurement as the length.
Why is it important to know the volume of a hot tub?
Knowing the volume of your hot tub is critical for ensuring the correct administration of chemicals and cleaning agents. Keeping the tub clean and free of contaminants results in a more pleasurable tubbing experience and keeps the tub in optimum condition.
How to calculate cubic volume of a pool?
The cubic volume can be calculated by including the depth of the pool with the surface area. For accurate calculations, the pool should be divided into various areas according to the depth.
How to find volume of pool?
Length times width gives the surface area of the pool. Multiplying that by the average depth gives the volume in cubic feet. Since there are 7.5 gallons in each cubic foot, multiply the cubic feet of the pool by 7.5 to arrive at the volume of the pool (expressed in gallons).
How much does a gallon of water weigh?
One gallon of water weighs 8.33 pounds. One part per million (ppm) represents 8.3 pounds of chemical per million gallons of water. However, one gallon of chlorine, for example, poured into one million gallons of water does not equal 1 ppm. That is because the two liquids are not of equal density.
How deep is a pool?
Average depth = ( Depth at the shallow end + Depth at the deep end ) / 2. Average depth = ( 3 + 9 ) / 2 = 6 feet. If most of the pool is only 3 or 4 feet and then a small area drops off suddenly to 10 feet, you will have a different average depth. In such a case, you might want to treat the pool as two parts.
How to calculate volume of vertical capsule tank?
Where r = d/2.#N#V (capsule) = π r 2 ( (4/3)r + a)
How to find volume of an oval tank?
Volume of an oval tank is calculated by finding the area, A, of the end, which is the shape of a stadium, and multiplying it by the length, l . A = π r 2 + 2ra and it can be proven that r = h/2 and a = w - h where w>h must always be true. Therefore:#N#V (tank) = (πr2 + 2ra)l
Method #2 – Dimensional
- The dimensional method is not as accurate as the fill-time method, but is a quicker way to determine the approximate volume of any hot tub.
Portable Acrylic-Fiberglass Hot Tubs
- Our formulas make it easy because you use the outside dimensions of your portable hot tub cabinet. 1. For Square or Rectangular portable acrylic hot tubs: 2. For Round or Multi-sided portable acrylic hot tubs: * Results are estimated volume only. Consult with manufacturer.
In-Ground Hot Tubs, Soft Hot Tubs, & Wooden Hot Tubs
- These types have fewer interior water-displacing features, so this formula takes that into account. 1. For Square or Rectangular types: 2. For Round, Irregular, or Multi-sided types: * Results are estimated volume only. Consult with manufacturer.