How Big Is a Toddler Mattress?

Are you planning to buy a mattress for your small children? And you are a little confused about whether the new toddler mattress size will be the right fit for your children or if the bed size will be a good fit for your room.
The toddler mattress is designed for small children. And a standard toddler mattress and crib mattress has the same size. In this article, we will discuss How Big Is a Toddler Mattress?

How Big Is a Toddler Mattress?

The standard size of the toddler bed is 28 x 52 inches. It has a height of 6 inches. 

Meanwhile, various bed types and different manufacturers have various guidelines for their product design. 

There are extendable toddler mattresses, which you can adjust in length. However, some parents skip the toddler bed and purchase a standard twin bed instead. 

Is a toddler mattress a similar size to a crib mattress? 

The toddler mattress is similar to the crib mattress, which is 28 x 52 inches. Some manufacturers label their crib mattresses as toddler beds since they have the same size but different names. 

However, you need to be careful in reusing the crib mattress since not all cribs are created equal. 

What are the things you should consider in buying the best toddler mattress? 

With lots of toddler mattresses on the market, you should choose a suitable toddler mattress for your child. You can consider the following factors. 

1. Foam or innerspring 

The innerspring mattress is the most popular since it’s the most durable. In addition, it has efficient coils that support the sleeper’s body. 

However, kids are lighter than adults. So, you may need a foam mattress that provides needed support. 

You should also consider the mattress’ edges. Weak edge support can increase the risk of being trapped between the bed frame and the mattress. 

2. Firmness

The mattress density can affect its firmness level, which is vital for the health of your child. A firm mattress can offer the necessary support to keep proper spinal alignment as your child sleeps. Additionally, a soft bed can break down and sag easily. 

3. Waterproof 

Although you cover the toddler bed with a waterproof pad, getting a waterproof material is a good idea. It will make cleaning easier and prevent moisture from soaking in your child’s mattress. 

What is the size of the toddler floor bed? 

The toddler floor bed is also getting more popular with parents and children nowadays. Its concept is based on the principles of Montessori. 

The toddler floor bed encourages your kid to explore the environment independently. It also allows them to learn from their experiences. 

Commonly, floor beds come in twin-size mattress, which is 38” x 75”. 

Is there a toddler mattress age limit? 

There is no maximum age when sleeping in a toddler bed is safe for a child. The time will come that they will outgrow it. 

If you observe if their head and toes almost touch the ends of the toddler mattress, it’s time to buy a new mattress. 

You may invest in a full-sized bed, twin bed, or queen bed. Luckily, some convertible cribs can be transformed into one of these beds after the phase of a toddler mattress. 

When is the best time to switch to a toddler bed? 

Do you wonder when the best time to switch to a toddler bed is? Well, there is no specific answer to this question. 

But the following are some signs that you may need to switch to a toddler bed. 

1. If your child climbs out of the crib mattress on their own

When your toddler stands up in the crib and swings a leg or foot over the top rail, it’s a sign to move on to a toddler mattress. Once your child climbs out of the mattress, they can be ready for a big kid bed. 

2. If you feel that your child is ready 

If your toddler is well-behaved with their bedtime routine, you may switch to a toddler bed. However, if they are not good listeners, maybe it’s not time yet. 

What are the size sheets you will need for a toddler mattress? 

Toddler sheets are available in three-piece sets. These include fitter sheets, flat sheets, and pillowcases. 

The flat sheet is 45 inches x 60 inches long. Toddler bed fitted sheets come in 28 inches x 52 inches. In contrast, toddler pillowcases and pillows are 13 inches x 18 inches long. 

What are the types of toddler beds? 

There are different shapes of toddler beds; they may come disguised as castles, fire trucks, or race cars. Aside from these designs, there are also many types of toddler mattresses. 

1. Portable toddler bed 

If you have a toddler, traveling can be more challenging. So, you may use a portable toddler bed. 

This toddler mattress is lightweight, making your travel easier. It also has raised sides for additional safety. 

2. Extendable toddler bed

The extendable toddler bed allows you to adjust the length of the mattress. Usually, it has 49 1/4 inches to 76 3/4 inches fully extended. 

It may have a height of 28 3/8 inches and 40 1/8 inches in width. The toddler bed may come in 3 parts, two smaller extensions, and a long mattress. 

3. Convertible crib to toddler bed

A convertible crib to a toddler bed is convenient. It is the best option for initial transition if your kid wishes to sleep on a similar mattress. 

A convertible crib maintains a similar frame and mattress, but the other side rail falls. 

4. Floor toddler bed 

The floor toddler bed can help your child discover their environment. Even though it’s labeled a toddler bed, it may require a twin-size mattress. Usually, a twin-size bed is 38 inches x 75 inches long. 

You can choose the best type of toddler bed to cater to the needs of your child.  


Toddler mattress usually comes in 28 x 52 inches. It should perfectly fit the bed frame since gaps can become a suffocation hazard or trap.   

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