How Big Is A Full-Size Mattress

How Big Is A Full-Size Mattress

Choosing the right mattress can be a challenging task. What size is a full-size mattress? Is a twin bed the same height as a queen or king? What is the standard width of an honest-to-goodness full-size bed? This article describes all these questions.

The average full-size mattress in the United States is 53 inches by 75 inches. They are roughly 18 inches deep, but that may vary depending on whether you sleep on your side or your back. 

How Big Is A Full-Size Mattress

A lot of people may not know how big a full-size mattress actually is or what really constitutes one. It can be confusing to figure out what you need in terms of size when shopping for beds. The following article helps give some context on these issues. Let’s “settle” this debate once and for all.8 inches.

Full-Size Mattress Length

The full-size mattress is the usual size for a standard twin bed. This size is popular in colleges and dorm rooms, as it leaves room for a lamp or a nightstand on either side of the bed. 

The length of a full-size mattress should be about 75 inches long, but it can be longer or shorter depending upon your preference. Full-size mattresses have a thickness of 10 inches to 6 inches, and they can be made out of foam or spring coils.

Full-Size Mattress Width

The average width of a full-size (or twin) mattress is about 53 inches, and that should accommodate any size person. A full-size mattress is a little wider than a twin bed, but it can be longer or shorter depending upon your preference.

Full-Size Mattress Width and Length

Benefits Of Full-Size Mattress

A full-size bed is a standard size for an adult, and it’s the most popular by far. It’s the best size to get because it provides a little extra room than a twin bed without feeling like you’re swimming in it and having plenty of room to walk around your room or position the bed against a wall for more storage space. A full-size mattress is also one of the best options for couples with small children to sleep on at night when they have guests stay over.

Things To Consider While Choosing A Full-Size Mattress

High-quality mattresses cost more than budget mattresses. If you want to buy a good mattress, it’s wise to start by investing in a top-of-the-line product that will last for years. You should consider the following when purchasing the mattress:

Comfort Level

Your body is unique, and no two people are exactly alike, but if you like the feel of firmer mattresses, you might consider one with an even higher thread count.

Mattress Types

When shopping for a mattress, you will need to choose between a spring mattress and a foam bed. Of course, your budget will play a big role in your decision, but you might want to consider the following: foam beds are mostly made of polyurethane foam, and they are less expensive than spring mattresses. They are also suitable for people who sleep on their sides because they offer more support.

Full-Size Mattress Types

The comfort level of both types of mattresses is subjective, so you will need to test out some beds before selecting the one that’s perfect for you. Mattress makers make an effort every day to design new technologies and build better products.


Firmness and comfort are important in selecting the right mattress. You need to find a mattress that offers enough support for your body and one with enough softness to keep you comfortable. Inertia is a thing that makes the bed bounce back when you jump or move around in it, so try to avoid too much bounce. However, it’s important to remember that beds with too much bounce may cause back pain, so consider your individual needs before making a selection.


It’s important to remember that a good mattress will last for years. If you are on a tight budget, you should start with a good quality mattress if the cheaper option doesn’t work out and then think about replacing it with a more expensive one down the road. A full-size bed is not only beautiful and soft, but it’s also very supportive and comfortable. It’s just what you need if you want to get a lot of restful sleep at night.

Sleep Position

If you sleep on your back, you might want to explore a medium-firm mattress. If you sleep on your side, a softer bed might do the trick. If you sleep on your stomach, a firmer mattress is recommended.

Sleep Position and Firmness Full-Size Mattress

And if you move around while sleeping or are looking for relief from muscle pain and backaches, you should consider a premium mattress such as Tempur-Pedic or Stearns and Foster that’s made with thicker padding. Another great feature to look for in full-size mattresses is motion isolation which reduces the movement to almost nothing when one person moves while sleeping.


What Size Is A Full-Size Mattress?

The dimensions of a full-size mattress are: дength – 54 inches / 137.2 centimeters; цidth – 75 inches / 190.5 centimeters.

Are Full And Queen The Same Size?

No, these mattresses have different dimensions. A standard queen-sized mattress is 60 inches wide and 80 inches long. A typical full-size mattress is 53 inches wide and 75 inches long.

Are All Full Mattresses The Same Size?

No, they aren’t. Some full-size mattresses can vary. Full mattresses, for example, come in width between 54 and 76 inches and lengths between 75 and 86 inches.

Nick Favreau

Nick Favreau is an expert mattress writer, whose unbiased reviews and in-depth analyses of mattresses have made him a trusted source of information for those looking for quality sleep.

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