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Mattress Topper and Pads Size Chart and Dimensions – Guide

Mattress Topper and Pads Size Chart and Dimensions – Guide

Mattress Pads Dimensions: Which size is best for you?

Choosing what mattress size to buy isn’t easy, especially considering the array of choices available. Nowadays, beds come in many sizes, from the small Twin, to the enormous California King. 

It's important to emphasize that this guide offers the most common sizes. However, there are no legal standard mattress dimensions, they vary from country to country. So, if you are looking for a specific bed size in Canada or the USA, be sure to ask your vendor for exact measurements if you are unclear.

Standard Mattress Pads Sizes

The commonly manufactured sizes in Canada and the USA are:

Learn more about mattress pad sizes

Below, we’ll outline everything you need to know about each mattress measurement so you’ll feel confident when you’re equipped to buy. Keep reading!




28'' x 52''

71.1 cm x 132 cm

  • A crib or toddler mattress is just the right size for your baby’s first bed.
  •  Some crib mattresses are lighter for portability or less demanding to clean in case of spills.
  • Babies or an infant.

38'' x 75''

96.5 cm x 190.5 cm

  • Despite ‘Twin’ being in the name, twin-sized mattresses are intended to be used by one person.
  • It is equivalent to the UK Single mattress.
  • They're easy to move around as life necessitates.
  • As they have a small size, it can reach in any space.
  • For kids through their childhood. Or an adult living in a smaller room.

38'' x 80''

96.5 cm x 203 cm

  • It gives students room to stretch out.
  • They give taller people enough space for their legs.
  • It’s a longer economy size that’ll fit well in the spare room, or in the small apartment bedroom.
  • The extra space could be used by a pet that sleeps at the foot of it.
  • Kids or taller adults.

54'' x 75''

137 cm x 190.5 cm

  • For single sleepers, this mattress size offers a good amount of space.
  • They are cost-effective and long enough to last until the child has grown into an adult. 
  • It has the same dimensions as the UK Double mattress.
  • It is not recommended for use as a double because the width available to each person is very narrow.
  • It can be used in spare bedrooms, luxurious singles, growing children, or rooms that would just be overtaken by a bigger mattress size.
  • Good for a single sleeper or someone with children or pets. It can be used for a couple who do not require much legroom.

60'' x 80''

152.5 cm x 203 cm

76'' x 80''

  • It offers a luxurious amount of space.
  • They are ideal for couples or single sleepers who don’t want to compromise on the sleeping area.
  • If you have a small bedroom, we would not recommend this large-sized mattress.
  • If queen mattresses doesn't give enough space or you share your bed with pets or children, it's the best choice.
  • For couples who want plenty of room and personal sleeping space.

California King

72'' x 84''

183 cm x 213 cm

  • It's gives enough space for taller people.
  • They are prepared to sacrifice width for length, offering them more comfort with the extra length.
  • Great for taller individuals.

Non-Standard Mattress Pads Sizes

What is the size of a cradle bed?

The standard cradle size is 18 inches by 36 inches. As you can see, cradles are smaller than cribs.

It’s important to we aware of some other things before buying one. Your cradle or bassinet mattress pad needs to be firm, no thicker than 1 1/2 inches, and it must stay in place.

What is the size of a bed in an recreational vehicles RV? 

Most recreational vehicles (RVs) come equipped with some sort of bed that can support a mattress, but the sleeping spaces are smaller than standard beds.

In other words, RV mattresses of the “same” size tend to be a few inches shorter or narrower. They also sometimes have curved edges or other shapes.

So, you can choose between specialty RV mattresses, or standard mattresses with lower-than-average profiles that will fit into RV bedding spaces.

Below, we will list some standard RV mattress dimensions you should be aware of:





They can range from 28'' x 75'' to 40'' x 80''.

Twin beds can be found in most RV’s and small campers, especially pop-ups.


It can range from 28'' x 75'' to 35'' x 75''.

  • RV bunk mattresses fit in with the twins, but they have their own dimensions.
  • If for some reason you can’t find your bunk size, it’s possible that you may need one of the truck bed mattress sizes.

Truck Mattresses

The dimensions vary from 35'' x 79'' to 42'' x 80''.

  • Theys are commonly used for truck beds that double as campers.
  • They may also be used in campers that have odd-sized beds.


54'' x 75''

They are the same as a double bed would be.

  • These are found in most RV’s, depending on the model.
  • They usually come with the fold-out couches.

Three Quarter

48'' x 75''

It is three-quarters of the size of a regular queen.

  • These are found in RV’s that have uncommon dimensions or longer than wider rooms.

Queen RV or Short Queen

60’’ x 75’’, 5 inches shorter than a regular.

  • These are found in almost all campers, especially in the main bedrooms.
  • They are essentially a Queen mattress but 5 inches shorter.

Olympic Queen

66'' x 80'' inches, 6 inches wider than the standard.

These are found in campers that have more width than length.


72'' x 75'' to 72'' x 80'', depending on the width of your RV.

King beds are more common than you would think in campers.

Eastern King

76'' x 80''

  • It’s apparently very common in some newer campers.
  • These are ideal for couples who like to have a lot of space while they sleep.

California King or CalKing

72'' x 84''

These are found in campers that have longer rooms, rather than wider.

As you can see, there are more mattress sizes than you would think for your RV. Before you buy any random mattress, you need to make sure that it is going to fit in your camper first. You can’t have it too thick for some campers because they won’t close, especially for pop up’s, and you can’t have them too close to the ceiling.

What are the bed sizes in college? 

College dorms may have twin or  extra-long twin beds (to accommodate taller students).​

The measurements of an extra-long twin bed mattress are 39 inches wide by 80 inches long; and the measurements of a twin bed mattress are 39 inches wide by 75 inches long.

Before you search bedding, you should ask for information from your school by email or making a call to your dorm supervisor. You may also look this on their official page.

In most of the cases, you’ll be responsible for bringing your own bedding to the college, that includes sheets, pillows, pillowcases, blankets, and comforters. 

As these beds are so uncomfortable, you’ll want to buy a mattress pad to more comfort as well as hygiene.

What are the bed sizes in futons?



28'' Chair

28’’ x 54’’ (and 28’’ x 21’’)

The usual size of the chair futon body measures as 28” x 54” when opened to a bed position.

An optional ottoman might be added that uses a mattress of 28” x 21”, if you want to be able to use the chair as a bed or lounger.

39" Chair

39" x 54’’ (and 39" x 21’’)

39" futon chairs look like miniature love seats or oversized chairs but are actually the same width as a twin size.

Its body measures 39" x 54’’.

They have a built-in ottoman so you can easily create a twin sleeping surface (39’’x21’’).

Twin or Single

There are two styles, both open to a Twin size bed:

  • The twin split: The Twin Split body measures 39” x 54” when open. They include an optional separate ottoman plus a matching double Ottoman Mattress that sized 39” x 21”.
  •  The twin lounger: Its body is similar to Twin Split but includes the ottoman part that slides into the frame. You will need a Twin Ottoman mattress if you want to use the Twin Lounger as a bed.


54’’ X 75’’

The full futon bodies have three different styles that you could choose from, all of them are open to a full-sized bed.

  • The Full: The Full-size body appraises 75” x 54” when you open it. It uses a regular Full-size futon mattress.
  • The Loveseat (Full Split): The Loveseat measures 54” x 54” when open. If ever you want to utilize it as a master bed, you could have an elective stand-alone ottoman plus a matching Ottoman mattress that measures 54” x 21”. The love seat reclines to create a 54x75: sleeping surface.
  • The Full Lounger:  Full Lounger body is similar to Loveseat but includes the ottoman part that slides into the frame. This lounger format often called a "pullout" or "loveseat extension" allows a section from under the seat to pull outward and extend the length of the loveseat into the room. It makes a chaise lounge in most cases when you leave the back upright. You will need a Love Ottoman mattress if you want to use the Full Lounger as a bed.


60’’ x 80’’

The Queen Futon body comes in three different styles, all of them open to a Queen size bed:

  • The Queen size that measures 80” x 60” when open. It uses a regular
  • The Queen split that measures 60” x 54” when open. If you want to use it as a bed, you will need an optional stand-alone ottoman and a matching Queen Ottoman mattress (60" x 26").
  •  The Queen Lounger, which is similar to the Queen split. It already has the Ottoman part that slides into the frame. You will need a Queen Ottoman mattress if you want to use the Queen Lounger as a bed.


76'' x 80''

While you can absolutely find King size futon mattresses, they aren't nearly as common as the smaller sizes.

54" Love Seat & Built-In Ottoman

They look like miniature sofas.

A 54in futon frame is the same width as a Full.

With the use of 54in loveseat built-in ottoman, a full-size sleeping surface (54"x75") can be achieved.

You can choose to have a 54"x21" cushion made for the ottoman.