Trampoline Size Guide – 13 Things to Know

Trampolines of the right size will give you maximum bounce and fun while protecting you from serious injuries. Choosing the perfect trampoline size can be confusing because so many options are available. Trampolines come in many shapes and types, which may become more complicated.

It is advisable to purchase a trampoline that will be able to fit into your yard or play area, ideally free of any hazards or obstructions that could be dangerous for your child. Kids of this age should use trampolines safely.

This Trampoline Size Guide will explain your concerns and help you choose the right one from various trampoline sizes. Keep reading and check out the comprehensive trampoline size chart.

Table of Contents

How to pick the right trampoline size?

You first need to measure the size of your yard and how much space you have before you choose a trampoline. A trampoline measures 8 feet in diameter and 8 feet in diameter. In the next step, find an area without trees, debris, fences, or slopes within your backyard.

There are many types of trampolines available for many different purposes. Different sizes are designed for different purposes. You need the perfect size trampoline for your backyard, whether big or small. Knowing a few things and considering them can help you find the perfect trampoline size. Here are some tips.

Factors to consider before buying a trampoline

Consider some facts before determining the best trampoline size for your children. Consider the following:

  • Who will be using the trampoline?
  • Is your garden large enough for a trampoline setup?
  • How much are you willing to spend?

Standard trampoline size by shape

Trampolines can be found in various shapes, including round, oval, rectangular, square, and octagonal, water trampolines, ground trampolines, and spring-free trampolines. Recreational trampolines are round or circular, while gymnastic trampolines are rectangular.

When they grow up, observation boys tend to choose rectangular trampolines. Due to their love of dance and gymnastics, the girls chose a rectangular trampoline over the round one.

But that wasn’t the only factor. Sizes of trampolines usually range from eight to fifteen feet. However, we have discussed other sizes below about their shapes.

Consider the size of the round trampolines

The bouncers on round trampolines are virtually protected from all other bouncers. Many popular trampolines are available in 8 feet, 10 feet, 12 feet, 14 feet, 15 feet, etc. Each one has its purpose.

The 8 foot and 10-foot round trampolines are great if you don’t have a big back and need a baby trampoline. They are also very affordable. Families with small children concerned about injury prevention should consider these trampolines. They allow children to jump at the same time.

Most families with two children can benefit from a 12-foot round trampoline. It doesn’t have much space, but they let two kids bounce simultaneously. Kids of all ages can bounce on it. It has a 12-foot turning radius that is good for flipping.

Trampolines 14 feet and 15 feet will suffice for your growing family when they need the giant trampoline. These oversized trampolines are highly recommended if your kids are over 10 and invite their friends.

Consider rectangular trampoline size

Gymnast’s trampolines are rectangular trampolines. Trampoline sizes typically range from 7x10ft to 8x12ft, 9x14ft to 10x17ft to 14x16ft.

Trampolines of this size are perfect for small families and gardens with limited space. These trampolines are ideal for purposes such as 8-foot and 10-foot round trampolines. But they can also provide bounce at every level.

Gymnasts between the ages of 12 and 13 can benefit from the rectangular trampolines that measure 8x12ft and 9x14ft. These bouncers require less space than a trampoline with a 12-foot diameter. Even though these in-ground trampolines have some problems, they are suitable for underground use.

If you need an Olympic-sized trampoline, 10x17ft trampolines are ideal. Children younger than 12 years old should not use these.

There are also 18-foot trampolines for sale. A trampoline like this requires a large backyard, along with a lot of investment. Beach trampolines are perfect for family get-togethers and self-invented ball games such as spike ball.

A 14x16ft trampoline is about a square trampoline. They have plenty of space for wrestling and soccer and are suitable for 15 to 19-year-olds. Tumbling and practicing skills are great on these trampolines.

Average trampoline size by age

If you want to get a trampoline for your children or adults, you may wonder what size is best. When children get older, you have to choose a trampoline with a larger size. Depending on the age of the children, we will talk about the different sizes of trampolines.

We recommend mini trampolines for children aged 1 to 3 years old when they need trampolines. This type of trampoline bounces without causing any damage to the child’s body. When you need trampolines for 4-year-olds, mini trampolines or trampolines between 4.5 and 6 feet high are ideal.

Children between the ages of 5 and 6 should have a trampoline 6 to 10 feet tall. Children 7 to 9 years old will benefit from an 8- to 12-foot trampoline. It would be best to have a trampoline 12 to 14 feet high for 10-year-olds.

Your children between the ages of 11 and 13 should only take a maximum of 16 feet and no less than 12 feet. A trampoline over 14 feet in height is recommended for teens aged 14-16.

For adults who need gymnast trampolines, Olympic trampolines are recommended. Rebounders exercise is a good option if you want to stay fit even during pregnancy. To be on the safe side, be aware of the negative effects of Rebounders before you use one.

The most popular size of the trampoline is an 8-foot trampoline with a wall. The size is ideal for children under four years of age, as it accommodates children up to 75 kg, or 11 stones and 8 pounds. It is, therefore, suitable for children from the age of four to twelve.

A trampoline is suitable for all ages, from babies to adolescents and adults. A trampoline’s average size is 12 feet, although it isn’t the most common size.

As children start playing at this age, you want to make sure they grow up in an environment that is safe. Children can achieve harmony, balance, and cognitive speech development by playing on trampolines.

Which trampoline sizes are available?

which trampoline sizes are available

Trampolines come in various sizes, including a popular 8-foot trampoline. From toddler trampolines to adult trampolines, trampolines come in a variety of sizes. There are many, but not everyone is appropriate for every age group.

5.5 foot – 6 foot trampoline:

This trampoline is perfect for children with small yards. Kids will have fun jumping on this small trampoline.

8 foot trampoline:

This trampoline is an excellent place for small children (ages 4-12) because it grows inside a small space. The bounce is more significant on this trampoline.

10 foot – 12 foot trampoline:

This model is a safe choice for children from 6 to 16 with a great bounce, good for medium-sized gardens.

14 foot – 16 foot trampoline:

It provides a lot of bounce and is best suited for children and adults ages 9 to 16. You need a large flat garden for a trampoline of this size. This trampoline usually weighs between 120 and 150 pounds.

How to measure standard trampoline size?

The diameter of the metal frame rather than the jumping surface determines the size of a round trampoline. Begin by measuring the diameter of the metal edge on the outer corner of your round trampoline. The trampoline size can be determined by averaging two measurements.

Even though trampolines have specific sizes, it is essential to measure a standard trampoline size. You will find this helpful when setting up backyards or other locations where you plan to build a trampoline or if you plan to build it only during the winter. Once you understand how the process works, measuring trampoline size is very straightforward. We will briefly discuss the basics of measuring trampolines in the following section.

How to measure a round trampoline?

how to measure a round trampoline

Measure from the frame’s outer edge and continue in the opposite direction until the correct position is reached. Be as straight as you can when you catch and measure the object.

The same procedure can be followed, but this time in the vertical direction.

It would be best if both measurements were the same. If not, you can calculate the average of both measurements. With this method, you will estimate the trampoline’s size

How to measure a square / rectangular trampoline?

How to measure a square or rectangular trampoline
  • Measure one side of the frame from the outer edge to the outer edge.
  • Once you have measured the opposite direction, both readings will be the same for a square trampoline.
  • The results will be different for rectangular trampolines.

How to measure an octagonal trampoline?

how to measure an octagonal trampoline
  • You need to measure from one corner to the other with an octagonal trampoline.
  • Do the same thing in the vertical direction.
  • Determine the average reading.

What size trampoline should you buy now that you know how big the trampolines are? By combining the two questions, I asked earlier,

What is the size of your backyard? Are there many kids jumping on the trampoline, and at what age are they?

Following is a chart listing all trampolines ranging from 6 feet to 15 feet in size. The chart lists the age ranges appropriate based on trampoline size, the most common or most frequently entered weight range, and whether an enclosure is necessary for your trampoline.

Let’s talk more about which trampolines are best for different ages since many options exist.

AgeStandard SizeIndoor / Outdoor
Adult (Fitness)Mini Trampoline / RebounderIndoor
Adult (Gymnast)10x17ftOutdoor
14-16 Years Old14ft Trampoline+Outdoor
11-13 Years Old12ft Trampoline – 16ft TrampolineOutdoor / In-ground
10 Years Old12ft Trampoline – 14ft TrampolineOutdoor
7-9 Years Old8ft Trampoline – 12ft TrampolineOutdoor
5-6 Years Old6ft Trampoline – 10ft TrampolineOutdoor
4 Years OldMini Trampoline / 4.5ft / 6ftIndoor & Outdoor
1-3 Years OldToddler / Mini TrampolineIndoor

What is the size of a trampoline for a 1-year-old child?

The best option for a one-year-old would be a toddler trampoline. This type of trampoline is suitable for children aged one to three. The trampoline should have a low clearance from the floor to the trampoline mat, as well as a handle and a lot of padding.

What trampoline for 3-year-olds?

A toddler trampoline is better for children who are 3 years old since they have more balance and coordination. They will outgrow it faster than a toddler trampoline. Ensure it has safety features.

What trampoline for 4-year-olds?

In the case of 4-year-olds, a small trampoline would be best suited for your home. If you plan to place a 6-foot trampoline, a small children’s trampoline is the best option.

What trampoline for 5-year-olds?

Trampolines for children aged five and under should have enclosure nets and safety padding. The best choice would be an 8-foot or 6-foot child’s trampoline.

What trampoline for 6-year-olds?

For a 6-year-old child, you can choose a 10-foot trampoline or an 8-foot trampoline, depending on how much space you have in your yard.

What trampoline for 7-year-olds?

A 10-foot or 12-foot trampoline is a good choice, depending on the location, because children improve their balance and coordination as they get older. You should read all the safety features since your child will become more courageous as he grows.

What trampoline for 8-year-olds?

For an 8-year-old, a trampoline with a height of 10 to 14 feet is ideal. Make sure there is enough space if you want to place the trampoline near obstacles or objects that might cause injury.

What trampoline for 9-year-olds?

If you’re 9 years old and looking for an ideal trampoline, you should look at a 12-foot trampoline up to a giant trampoline in your garden. It is possible for a 9-year-old to jump on an 8-foot or 10-foot trampoline, but space may be limited.

What trampoline for a 10-year-old?

For a 10-year-old, the best trampoline size is between a 12-foot trampoline and a 14-foot trampoline. As a result, they have plenty of room to jump since you want a considerable distance between the center of the trampoline and the springs.

What trampoline for 11-year-olds?

You will have older kids if your garden can fit a larger trampoline. A trampoline can last for years without needing to be upgraded. A trampoline size of 12 feet + is recommended for an 11-year-old. Having a trampoline that measures 14 to 16 feet is also appropriate. How big your garden is will determine how big your trampoline needs to be.

What is the cost of each trampoline size?

The pricing of trampolines can vary significantly based on the size of the trampoline that you choose. You can also find a trampoline based on your budget.

What is the reason for the difference in trampoline prices?

These trampolines are usually different due to the work that is done to make them. The following factors affect trampoline prices:

  • What type of research was done to create the trampoline?
  • Developing strategies to secure the trampoline.
  • The materials used to create the trampoline.
  • Manufacturing the trampoline.
  • Brand name of the company that manufactured the trampoline.
  • Maximum weight capacity.

In conclusion, a trampoline’s price is determined by various factors. We’ve compiled a quick budgeting guide to help you decide how much to spend on your trampoline.

  • 6-foot trampoline: $60-120
  • An 8-foot trampoline costs $100-300
  • A 10-foot trampoline costs $140-400.
  • A 12-foot trampoline costs $180-500.
  • A 14-foot trampoline costs $250 -700.
  • A 16-foot trampoline costs $300-1000 plus.

Trampolines’ prices are determined by their development, research, and the materials used in their manufacture. Thus, no trampoline is the same.

How many springs does a trampoline have?

Despite not appearing to be related to trampoline size, spring counting is one of the most critical factors that can help you decide whether a trampoline is appropriate for a trampoline with an age guide.

how many springs does a trampoline have

Why is spring important?

As the spring counts down and the spring length increases, the trampoline creates a perfect bounce for the user’s age. The use of a 14-foot trampoline by a 5-year-old is an example of this. In addition to sound education, he must also be alert and dedicated. The baby may not be able to bounce.

What is the trampoline’s diameter?

Depending on the size of the trampoline you are buying, the trampoline’s diameter will vary. Check these out.

  • 6-foot trampoline: 200 cm.
  • 8-foot trampoline: 243 cm.
  • A 10-foot trampoline is 305 cm in diameter.
  • A 12-foot trampoline is 366 cm in diameter.
  • A 14-foot trampoline is 427 cm in diameter.

I hope that this will help you choose the right trampoline size for your family and answer what size trampoline I should buy.

The best size trampoline for gymnastics

It is recommended to use a trampoline 10 feet by 17 feet for gymnastics, which is the size closest to an Olympic trampoline. Get as close as you can if your budget or yard isn’t large enough.

What size are the trampolines?

Children’s trampolines typically come in 36 inches, 38 inches, 40 inches, 48 inches, 55 inches, 3 feet, and 7 feet. Adult trampolines typically have sizes ranging from 32, 36, 38, 40, and 49″. Outdoor trampolines typically come in six feet, seven feet, eight feet, ten feet, 12 feet, fourteen feet, fifteen feet, sixteen feet, and seventeen feet.

Some additional recommendations

Skywalker, AlleyOop, JumpSport, Pure Fun, and Ultega Jumper are some of the best trampoline brands to buy. These brands were mentioned because they have been in the industry for quite some time and are known for delivering quality products. There are galvanized steel frames on these trampolines, so they will not rust.

In addition to the galvanized steel springs, these trampolines have excellent quality control, so when you buy a trampoline, it will come with all the parts. Jump mats and spring covers are also of high quality, and most of them are UV resistant, so they last a long time and maintain their strength.


Skywalker trampolines are the best introduction trampolines. This trampoline manufacturer offers all standard trampoline sizes, and the price is slightly lower in this size range. However, the quality is still excellent. The Skywalker trampolines also have basketball goals so that you can have a lot of fun on your trampoline.


Trampolines are available from AlleyOop, and the price is a bit high. Despite being expensive, these trampolines are still worth considering because they have double-bounce technology that makes them safer. Furthermore, AlleyOop offers trampolines that are bigger and longer than other brands.


JumpSport trampolines might be more expensive in terms of size, but that is because of their advanced stage bounce technology. If you have joint problems and you can afford to pay a little more than average for this size, it is worth it if it softens the bumps on your joints.  You can also buy trampoline accessories and fitness trampolines from JumpSport if that is what you are looking for.

Pure Fun

Pure Fun has affordable trampolines in standard sizes, and their trampoline prices are competitive. It is possible that you do not need a full-size trampoline, and in this case, pure entertainment can influence your decision. Pure Fun is an excellent choice if looking for the best children’s trampoline. Additionally, you can read our guide to help you make an informed decision about a children’s trampoline.

Ultega Jumper

Ultega Jumper may be the right brand for you if the above brands cost more than you had expected. They offer affordable trampolines without sacrificing quality. Although Ultega trampolines are less expensive than others for a trampoline of average size, they are still very heavy-duty.


Which trampoline size is best for me?

There are many options, depending on your needs and the available space.

  • 8-10 ft trampolines for small backyards
  • 12 ft trampolines for medium-sized backyards
  • Trampoline size greater than 12 feet for open areas

Which trampoline size is standard for a gymnast?

If this is not possible, try to get as close as possible to the standard size of 10ft X 17ft.

What are the variations in the size of Mini Trampolines?

As with other trampolines, mini trampolines are available in various sizes. Some baby-sized indoor trampolines are 36 inches, 38 inches, 40 inches, 48 inches, 55 inches, 60 inches, 72 inches, 84 inches, and more.  The sizes of adult mini trampolines and rebounders are usually 32 inches, 36 inches, 38 inches, 40 inches, 48 inches, 52 inches, and so on.

Do all trampoline brands come in the same size?

There are currently different sizes of trampolines produced by different trampoline brands. Manufacturers prepare trampolines according to market demand and forecast reports. You can, however, see some standard sizes between different trampolines.

How high is the trampoline?

Trampolines usually have a ground height of around 2 feet on 6 to 8-foot trampolines, 3 feet on more giant trampolines, and 6 to 9 feet on trampolines with safety nets.

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