How Long Is A Queen Mattress In Feet

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The Ultimate Mattress Size Chart and Bed Dimensions Guide

Intuitively, the different sizes of beds seem easy enough to understand, right? The truth is,choosing the right size of your mattresscan be more complicated than you may think. Does it fit nicely in my bedroom? Is there enough leg room? And many other.

To help you make the best decisions when selecting a mattress, we’ve put together a summary of the most common measurements you will see online and in a store so you can have an idea if it’s a perfect bed for you and your bedroom.

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Common Bed Size Dimensions Comparison

TypeSize (Inches)Suitable For
Small Single or Cot30 x 75Babies and toddlers
Twin38 x 75Kids that have outgrown their cribs and single adults living in smaller apartments. It’s also great for daybed or bunk bed.
Twin XL38 x 80Kids and taller adults and those who want to use an adjustable bed frame
Full54 x 75Good for a single sleeper or someone with children or pets and couples that do not require a lot of leg room.
Full XL54 x 80More than enough for single sleeper and for couples that need more leg room but can not accommodate queen size due to bedroom limitations.
Queen60 x 80Frequent choice and a perfect size for most couples that do not need a lot of sleeping space. If you plan to sleep alone this is more than enough.
Olympic Queen66 x 80Six Inches wider than a standard queen, it makes it nice for someone who doesn’t want to upgrade all the way to king.
King76 x 80Great choice for couples who want maximum personal sleeping space. Check our room dimensions scale guide to ensure it will fit in your bedroom.
California King72 x 844 inches longer but 4 inches narrower than a standard king type. Good for taller individuals.

Small Single Bed (Cot) Dimensions

These are the mattresses specifically designed for cribs. It can also serve as toddler beds in most cases once your baby outgrows the cot. Typical measurements are30” width and 75” length.

Twin Bed Dimensions

Atypical single, twin or bunk mattresses are 38” width x 75” length. You’d be hard-pressed to find a bed that is any smaller than this one, other than that of a toddler bed or crib.

Typically this isideal for childrenwho have outgrown cribs and toddler beds, and who are now ready to graduate to a larger mattress.

Additionally, for those who sleep in cramped quarters, who have small rooms or who share a room with a sibling or roommate, Twin beds are an ideal choice. Day beds, bunk beds, dorm room beds or those found in the guest room often use this type.

Recommended reading:

What is important to note about a Twin bed versus a larger toddler bed, is that comfort is taken more into account. It’s common that, once you reach the Twin size, more quality materials are used, and more engineering centered on comfort takes place. This is because, the older we get, the more we consider comfortable sleeping to be a necessity.

Twin XL

There are subcategories of double beds to consider as well. The Twin XL istypically 80” L while still maintaining the 38” W. If you’re an adult looking for a bed that saves space and still is a comfortable choice, an XL Twin may be perfect for you.

Can I use Twin XL mattress on a King Size Bed Frame?

Yes, you can use two double/twin XL beds in a king frame. If you are in a relationship where one partner requires a different firmness than the other, usually end up being big fans of this setup. This is because Two XL beds can fit snugly alongside each other within a King sized bed frame.

This is good to know for partners who are tired of the fluffiness or firmness of their spouse’s mattress.

Full Bed Dimensions

Full-size mattress measures54’ width x 75” in length, and these are also commonly referred to as “standard double.” Sufficient for adults that need more room than what a Twin can offer.

If you are in a relationship, this may not be the best choice for you, as the fit will be exceedingly tight. Likewise, if you have a dog, cat, or you have a child that sleeps next to you, you may want to consider a wider option.

Full (Double) XL

A XL option is54” x 80”giving you anextra 6 inchesof leg space. If you do not require extra width but want some more room for your legs this is a perfect option.

Queen Bed Dimensions

Queen size mattresses are60” width x 80” length. Ideal for almost anyone, in that it’s long enough and wide enough to suit most any sleeper. For those who sleep with their spouse, child or pet, it might be perfect for you.

When thinking about these larger types, it becomes necessary to consider the living space. These take up much more room than the Twin or the Full, and thus, the ability to freely move around the bedroom may become restricted.

If you have a larger bedroom, then this won’t be a factor for you.

Olympic Queen

These are slightly wider andmeasure at 66”W x 80” L. Olympic queen is perfect for taller individuals, but you don’t want to upgrade all the way to King, but you could use some more width.

King Bed Dimensions

A standardKing size mattress is 76” in width and 80” in length. It’s recommended that you do not opt for this option unless your room is at least 12×12. This is a perfect option for couples who sleep with their kids or pets and want more sleeping room for themselves.

If you want to compare this to other options,King is same as 2x Twin XL.

A nice fact is that box springs are split for this type, and it makes it easier to carry around and maneuver.

California King Bed Dimensions

TheCalifornia King mattress is 72” W x 84” Lmaking it one of the biggest options on the market. It’s perfect for active sleepers, tall people and couples with kids or pets. Cal King is 4” longer but 4” narrower when compared to a standard King.

It is recommended that you have a large room of at least 12’x12’.

Bedroom Size Requirements

Ok, so you have decided that you need a new bed. But, can you actually put it in your room and still be able to open the door and walk around it?

Let’s take a look at the following illustrations showing how certain mattress sizes will fit in your room.

Frequently Asked Questions

Which size is best for me?

Bigger isn’t always better, but in most cases it can’t hurt. More space could mean fewer sleep interruptions, but if you always prefer to cuddle up rather than spread out, that extra space might not be worth it, especially if you’re on a tight budget.

In many cases, couples will opt for a bigger version of a cheap bed, but if you don’t need the extra space, that money could be better spent on features like cooling or motion isolation. For a better understanding of getting your money’s worth, take a look at our mattress budget guide .

Conclusion

When trying to find the right mattress size to fit the needs of you or your family, these are a few things to have in mind.

  • First, if you’replanning on upgrading, make sure you know the dimensions of your current bed. You wouldn’t want to shop for a larger option and accidentally choose the same type.
  • Second,if you’re moving, don’t forget to measure the room that you’ll be sleeping in. It is awful to have a mattress that is too big for space. You’ll have issues getting around the room, and your space won’t be as aesthetically pleasing.
  • Third,who will be sleeping in it? If it’s just you, you are good to go with a Double. But, if you have a spouse, kids or pets you might want to opt for a larger option such as Queen. King is the ultimate comfort size if your room can accommodate it.

Now that you know more about the sizes you can check out our other guides, researched for specific needs and types.

Hope this guide was helpful and that it cleared any doubts.

Please let us know if you have any questions in the comment section.

More from The Sleep Advisor:

More Reading:

  1. Bed size may affect good night’s sleep – netdoctor.co.uk
  2. Reasons Why Your Bed Height Actually Matters – dreams.co.uk
  3. Complete Mattress Size Guide – by Nectarsleep.com
  4. Illustrated Bed Dimensions Guide – by Dreamcloudsleep.com

Author: Sleep Advisor

Our team covers as many areas of expertise as we do time zones, but none of us started here as a so-called expert on sleep. What we do share is a willingness to ask questions (lots of them), seek experts, and dig deep into conventional wisdom to see if maybe there might be a better path towards healthy living. We apply what we learn not only to our company culture, but also how we deliver information to our over 12.7M readers.

Sleep research is changing all the time, and we are 100% dedicated to keeping up with breakthroughs and innovations. You live better if you sleep better. Whatever has brought you here, we wish you luck on your journey towards better rest.

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There’s no one-size-fits-all when it comes to better health and better rest, but no one has time to sleep, let alone figure out how to upgrade the sleep they’re getting.

From figuring out how to buy a mattress, suggesting ones that are good for different needs and body types, or breaking down the newest science behind technology and wellness breakthroughs, Sleep Advisor has you covered.

Mattress Size Chart And Dimensions

Use this mattress size chart to determine the size of the mattress that will suit your needs before you shop for your next mattress. If your mattress isn’t big enough for everyone who will sleep in your bed and any pets that join you, you won’t sleep as comfortably as you should. On the other hand, if your mattress is too big for your bedroom, you won’t have enough room for other furniture or to make the bed.

Mattress Sizes (A Quick Start)

  • USA Twin: 39″ X 75″
  • Twin XL: 39″ X 80″
  • Full or Double: 54″ X 74″
  • Full XL: 54″ X 80″
  • (RV) Full: 53″ X 75″
  • Queen: 60″ X 80″
  • Olympic Queen: 66″ X 80″
  • California Queen: 60″ X 84″
  • Short Queen (RV): 60″ X 75″
  • King: 76″ X 80″
  • California King: 72″ X 84″
  • Half Queen: 30″ X 79.5″ (76.2 cm x 202 cm )
  • Twin/Single: 38″ X 74.5″ (96.5 cm X 189 cm)
  • Twin XL: 38″ X 79.5″ (96.5 cm X 202 cm)
  • Double/Full: 53″ X 74.5″ (134.5 cm X 189 cm)
  • Queen: 60″ X 79.5″ (152.5 cm X 202 cm)
  • Queen (RV): 60″ X 74.5″ (152.5 cm X 189 cm)
  • Western King: 72″ X 84″ (183 cm X 213 cm)
  • Eastern King: 76″ X 79.5″ (193 cm X 202 cm)
  • Single: 90cm x 190cm (35″ X 75″)
  • Small Double: 120cm x 190cm (47″ X 75″)
  • Double: 135cm x 190cm (53″ X 75″)
  • King: 150cm x 200cm (59″ X 79″)
  • Super King: 160cm x 200cm (63″ X 79″)
  • Single: 90cm x 200cm (35″ X 79″)
  • Double: 140cm x 200cm (55″ X 79″)
  • King: 160cm x 200cm (63″ X 79″)
  • Single: 90cm x 190cm (35.4″ X 75″)
  • Double/Full: 140cm x 190cm (55″ X 75″)
  • Queen: 160cm x 190cm (63″ X 75″)
  • King: 180cm x 200cm (70.9″ X 79″)

Mattress Sizes You Need

Use the mattress size chart to be sure about your requirements because some mattresses might not fit in your room, which can create a real hassle if you buy from a mattress store that doesn’t allow returns.

First, you should consider what size you need today as well as any changes you expect in the size you’ll need during the life of the mattress. For example:

  • If you’re single but you hope to marry in the next five or so years, you may want to consider purchasing a bed that will work after you’re married. This is especially true if you’re settled in your own home.
  • If you’re renting and likely to move frequently, consider the difficulty of moving a larger bed compared to moving a smaller bed and mattress.
  • If you’re buying a mattress for a child, remember how fast they grow. Many children will reach their full height in the bed you purchase to replace their toddler bed.

Custom Sizes

You may be surprised to learn that you canorder mattresses in custom sizes. Some beds or sleeping arrangements require custom sizes, including extra-long or extra-wide versions and custom shapes to fit specific needs.

Three factors are the most important when you choose the size of your mattress:

  • What size do you need?
  • Is the room large enough to accommodate the mattress you need?
  • Your budget

If you have a new bed, one of the standard mattress sizes will fit. If you have anantique or RV bed, you may need to order a custom size. If you are significantly larger than average, such as an NBA basketball player, you may want a custom bed to accommodate your height. The largest standard mattress length is seven feet. Most people don’t sleep with their head against the headboard. So, anyone who is 6’5” or taller may find a 7-foot length confining.

Room Size

We specify the minimum room size you need to accommodate mattresses for each type of mattress throughout this article.

Your Budget

Your budget should consider both the mattress purchase, the cost of the bed as well as the bedding, and the cost of providing a room large enough to accommodate the mattress. We illustrate the substantial price difference between choosing a King and Queen size below:

KingQueen
Nectar Mattress$899$699
Sheets$114$89
Mattress Protector$99$89
Platform Bed$275$250
Wool Blanket$180$150
Total Cost$1,567$1,277

Mattress, sheets, mattress protector, and platform bed prices are fromNectaron July 12, 2019. The wool blanket represents the average price difference we found after looking at several different options.

If you want a more traditional bed, like this Coastal Sleigh bed (pictured below), the King size is priced over $400 more than the Queen.

We won’t bore you with the math, but we calculated that building a home with a room large enough for the minimum King size mattress would cost $5,500 more than building a home with just the minimum size needed for a Queen mattress using an estimated $125 per square foot. For ideal comfort, you’d want more than the absolute minimum size if you have furniture other than the bed and night tables in the room.

Keep in mind that you’ll incur some of these expenses repeatedly. Most people have more than one set of sheets for their bed and everything except the bed itself will eventually wear out and need to be replaced.

If you need a King size, then go for it. But if you’re comparing the price of just the mattress and thinking “I might as well, it’s only $200” you’d overlook quite a few related expenses.

Keep in mind that some people also need their personal space while they sleep. If you need the space, choosing a mattress that is too small is penny wise and pound foolish because impairing the quality of sleep has long term negative implications for health, relationships, and even safety.

Therefore, we provide you with details on different sizes, their dimensions, their purpose, and who they suit best.

Mattress Size Chart (Dimensions and Best for)

Mattress SizesBest For
CribBaby
Twin or SingleToddlers, single adults, college dorms
Short TwinToddlers, single adults, college dorms, RV
Twin XLToddlers, single adults, teenagers, college dorms
Full or DoubleCouples, single adults, sleepers with kid or pets
Full XLCouples, single adults, teenagers, children with pets
Standard QueenCouples, couple with kid or pets
Olympic QueenTall couples, couple with kid or pets
California QueenCouples, couple with kid or pets
Standard KingCouples, couple with kid or pets
California KingTall couples, couple with kid or pets
Split KingCouples with adjustable beds
Split California KingCouples with adjustable beds

Crib Mattress Size

When it comes to the size of a crib mattress, the most important factor is that it fits snuggly in the crib. You do not want a gap between the mattress and the side of the crib as a gap can endanger your child. Standard crib mattresses are28⅝-inches in width and 52⅝-inches in length. Moreover, a crib mattress should not be more than 6-inches thick.

A crib mattress that is too thick puts your child at risk of being able to topple out of the crib. Crib mattresses will usually also fit in toddler beds, so they’ll last for the first several years of your child’s life.

Recommended Room Size

The minimum recommended room size for a nursery with a crib is 7-feet x 10-feet.

Note that experts recommend that babies sleep in the same room as their parents during at least the first six months of their life, but not in the same bed.

Twin Mattress Size

Most children sleep in a twin bed after they outgrow their crib or toddler bed. The twin-size is one of the most common sizes used for children. Because these mattresses are small, they leave enough space for toys and room to play.

The standard measurements for a twin bed in the USA are39-inches in width and 74-inches in length. Sizes in other countries vary slightly.

Bunk bedsusually use twin size mattresses, although some bunk beds combine a twin upper with a full or queen size lower bed.

A twin mattress is an ideal solution for people who share a single room but don’t share a bed. Some couples opt for single beds for a variety of reasons including reducing disruptions to one another’s sleep.

When considering the size of the mattress to purchase for your child, think about how tall your child is expected to be by the time the mattress wears out. Your pediatrician can give you an estimate.

If your child is expected to be tall, you may want to opt for a Twin XL although sheets will be somewhat more expensive, and Twin XL sheets tend to be more difficult to find in stores. It may be well worth the cost. A teenager who doesn’t sleep well because they are too tall for their bed is likely to be both grumpy and make worse decisions than they would if they were comfortable. Sleep deprivation has a negative effect on self-control and cognitive abilities.

Recommended Room Size

The minimum size room for a twin bed is 7-feet x 10-feet. For two twin beds in one room, the minimum size of the room should be 12-feet x 10-feet.

Twin XL Mattress Size

If you need extra length for your height, a twin XL bed provides it. This is also handy if your cat or dog tends to sleep on your feet.

Twin XL is the most common size used in college dorm rooms. Thedimensions are 39-inches x 80-inchesin the USA, which provides you with an extra 6-inches for your legs. Canada’s twin XL is almost the same size as the one in the US. Twin XL isn’t a standard size in the European Union or France. In the UK, the closest is their small double.

Recommended Room Size

The minimum room size for a twin XL bed is 7-feet x 10-feet.

Full Mattress Size

Full-sized beds are also known as double mattresses. Less expensive hotels often use them as a substitute for Queen beds. These mattresses are 16-inches bigger than a twin in width. The dimensions of full-sized mattresses are54-inches in width and 74-inches in length. These beds are equipped with enoughspace to accommodate two small individualscomfortably.

However, please bear in mind that your partner may not like the size of the bed if you tend to move around a lot in your sleep on a full-sized bed. Such mattresses are more useful for older kids who can have a sleepover without needing a second bed.

A full-sized mattress allows you to cuddle up with your kids if you regularly tuck your children in for the night. You’ll also be able to lay down with them while you read them a bedtime story.

Recommended Room Size

The minimum room size for a full-sized mattress is 10-feet x 12-feet.

Full XL Mattress Size

A full XL mattress equips you withadditional room for your feet. The dimensions of these beds are54-inches in width and 80-inches in lengthwhich means that you get an extra 6-inches to stretch your legs and feet.

Similar to full-sized beds, the full XL bed is an excellent option for tall individuals.

Nevertheless, these beds don’t provide you with extra width that you can enjoy in the Queen version. Full XL mattresses are a good choice for people who like to cuddle with their partners during sleep, and don’t care much about having their own space for sleeping.

This is not a common size and you may have difficulty finding sheets in this size in department stores. Fortunately, there are numerous options for sheets in this size when you shop online.

Recommended Room Size

Based on the walking space that you need in your room, the minimum recommended room size for a full XL mattress is 10-feet x 12-feet.

Queen Mattress Size

Queen beds are the most commonly used size in the world because they cater to the needs of most people. Queen size mattresses provide extra room which makes sleeping with a partner more comfortable for people who don’t want to touch someone else while they sleep. Standard Queen-sized mattresses are large enough to provide room for a couple of sleepers. Both people will enjoyenough space to enjoy their sleep and have room to rollover.

It also keeps you close enough that cuddlers can easily find one another. Standard queen-sized mattresses come with dimensions of60-inches in width and 80-inches in length. This bed offers more than enough sleeping space for single sleepers to move around during sleep.

You will also have room for your children or pets to sleep with you. Nevertheless, these mattresses are far bigger than other beds mentioned above, and for this, you need to have enough space in your room to accommodate these beds comfortably and still walk around with convenience.

This bed size is preferable for guest rooms, if you want couples to be comfortable. If you want them to go home quicker, choose a full-size.

Teenagers can spread out on a Queen-sized bed and have sleep overs without needing a second bed.

Many married couples opt for this size. If you’re sleeping alone, using a pillow to cuddle helps keep your body heat close to your body so you won’t feel too cold.

Recommended Room Size

The minimum size room recommended for a queen-sized mattress is10-feet x 10-feet. Keep in mind, this is a minimum and you’ll be more comfortable if you have more space.

Olympic Queen Mattress Size

Olympic queen-sized mattresses have dimensions of80-inches in length and 66-inches in width. They provide an additional 6-inches of width when compared to a standard Queen mattress.

The extra width is suitable for times whencouples need some personal spacewhen they are in bed and six additional inches helps with that. Olympic queen size also accommodates your child who needs some cuddling too if they wake up during the night, which is an added advantage of this size.

Olympic Queens are not a common size which means you won’t have as large of a selection of sheets to choose from when you purchase sheets.

You can use flat sheets for a king and tuck them under the mattress if you can’t find fitted sheets that match your décor.

Recommended Room Size

The minimum recommended size for a room with anOlympic queen mattressis 10-feet x 11-feet.

California Queen Size

You’ll see on the mattress size chart that the California queen-size has dimensions of60-inches in width and 84-inches in length, and it is the best option for couples who need some extra space for their feet or pets at the end of their bed. The width of a California Queen is the same as a standard Queen.

This size is the preferable choice for tall couples who don’t want a King-sized mattress. This size also provides extra room at the foot of the bed for your pets.

Note: Infants should not co-sleep as pictured in this image. They should be in a baby box, bassinette, or other safe sleeping space so they can’t be accidentally suffocated if one of their exhausted parents rolls over on them or the blankets cover their little nose.

Older children can safely co-sleep as pictured.

Recommended Room Size

The minimum size of the room for a California Queen is 12-feet x 10-feet.

Standard King Size Bed

A King-sized mattress is good forcouples who prefer a lot of spacewhile they sleep. It also gives them enough space for various other activities including stretching, relaxing for comfort, and rambunctious sex. The dimensions are76-inches in width and 80-inches in length.

These measurements make the bed as large as two twin XL mattresses joined together. The standard King is also the best size for couples who expect their child to share the bed with them on a regular basis and those who sleep with multiple or large pets.

Some people find a King-size mattress too big when they’re sleeping alone while others revel in having room to keep their favorite books on the bed.

The box spring versions of this size are split. They can be moved around very comfortably through tight corners and stairwells.

If you have an adjustable bed, you can opt to have a split king that allows both people to independently control the position of their side of the bed.

As noted above, infants should not co-sleep as pictured in this image. They should be in a baby box, bassinette, or other safe sleeping space so they can’t be accidentally suffocated. Older children can safely co-sleep as pictured.

Recommended Room Size

The recommended minimum room size for a standard King mattress is 10-feet x 12-feet although you’ll probably want more room.

California King Mattress Size

The California King is the largest common mattress size of them all. An Alaskan King is even larger, measuring 108 inches (9-feet) in both directions. This size is the longest standard size. The California king-sized mattresses measure72-inches in width and 84-inches in length. This size is perfect forpeople who prefer more length but not extra width.

On the mattress size chart, you’ll notice it is 4-inches narrower than the standard king size mattress, but of course, you get additional 4-inches in bed length. Being smaller than the standard king bed, California king is still 6-inches broader than a queen bed. It provides you and your partner with enough room for sleeping space or to cuddle as per your convenience.

The option for California King is best for adjustable beds because elevating the bed affects the usable length. A California King sized mattress gives you plenty of room to do whatever you want on it including accommodating your children and pets who invade your bed. This size canconveniently accommodate a third personon the bed with ease.

Like a King, you can opt for a split California King for an adjustable bed.

Recommended Room Size

The minimum room size for this mattress is 12-feet x 12-feet.

Mattress Thickness

You might have noticed that we didn’t mention much about the thickness of the mattress. Well, it is because there are no standards when it comes to thickness and the options vary quite a bit. If you’re interested, you can check for more details from sleep educator terrycralle.com.

Some of them offer 9- to 10-inch thickness, but most of the pillow top beds have 15- to 16-inch depth or more (Like Dreamcloud mattress). Box springs raise the mattress even further from the ground.

When choosing the thickness of your mattress, there are a variety of things to consider.

Overall Height of the Mattress

The top of your mattress will be a combination of the height of the bed or platform plus the height of the mattress. If you will use a box spring, you have to also add the height of the box spring. Some beds are so tall you need steps to get into them. While this may look romantic, if you’re planning to have a baby, consider the difficulty of safely navigating the steps holding an infant who wants to nurse in the middle of the night when you’re exhausted.

Too much height can also be difficult for someone who has mobility issues.

However, a mattress that is too low to the ground can present other issues that make it difficult for someone with mobility issues to stand up from the bed. If mobility issues are a concern, you’ll want a total height close to that of most chairs which is about 20 – 22-inchs above the floor.

Thickness of the Mattress

Generally, the more you weigh, the thicker the mattress you’ll need not to bottom out. The minimum depth of a comfortable mattress varies by the types of materials used to make it. Innerspring and hybrid mattresses are generally thicker than latex or foam mattresses.

Bedding Should Consider the Height of the Mattress and the Bed

If you opt for a traditional bedspread that reaches the floor, the height of the entire bed needs to be considered. However, be aware that bedding that hangs to the floor is not recommended by bed bug experts.

Today, most people opt for a comforter that hangs to the bottom of the box spring.

You should also consider the height of your mattress when you buy sheets. If your mattress is only 10” thick and you buy sheets for beds with a 15” thickness, the fitted sheet may be loose and wrinkle underneath you. If you buy sheets for a 10” thick mattress and your mattress is 14” thick, you’ll have difficulties getting the sheets on and they will be more likely to come off.

Conclusion

You have many options. Evaluating your current and expected needs, space, and your budget will help you narrow your choice down to one or two. Otherwise, it is overwhelming.

Make sure you have space to walk around the bed. You don’t want the daily hassle of having to perform gymnastics just to make the bed. A mattress that is too big for the room makes it feel congested.

On the average, you will require aminimum of 30-inches between your bed and the wallfor a convenient path for walking around. Add sixty inches to the width on the mattress size chart and compare it to the measurements of your room. Some beds also come withdrawers underneath for additional storage space.If your bed has drawers, add more than sixty inches to the measurement on the mattress size chart. Because you won’t be able to access or use the drawers if your bed is placed too close to the wall.

So there it is, now you know all about different size mattresses that you can choose for your room. The mattress size chart includes all the common sizes in the USA, UK, EU, and Canada to assist you in choosing the best option for your situation.

If you have encountered a different mattress size anywhere in the world, we’d love to hear about it in the comments.

What Mattress Size Do I Need?

Does Mattress Size Really Matter?

No matter how much homework you do to select the best mattress type and comfort level, if a mattress is not the right size, it will affectyour quality of sleep.A mattress needs to accommodate all potential sleepers —kids, pets,you— while allowing you space to move around your bed comfortably.

Below aresome useful tipsthat can be helpful in guiding you towards a mattresssizethat is right for you.

California

72” (W) x 84” (L)

The “California King Mattress” is approximately 72 inches wide by 84 inches long – 4 inches narrower and 4 inches longer than a regular king.

76” (W) x 80” (L)

The king size mattress dimensions are about 18 inches wider than a queen. A king size mattress is the best choice for couples that wantmaximum personal sleeping space(38 inches each would have on a twin bed; two twin extra-long beds pushed together are about the same size). It’s also the best bet to accommodate that time on Sunday morning whenchildrenmay pop into bed – or if the pets in your house have mattress privileges! However, size can be a problem. Even with a “split boxspring” (two twin-size foundations to support it), it may be too big for some bedrooms or too bulky to navigate through some corridors, doors and stairwells.

If there is any doubt, it’s a good idea tobreak out the tape measureto check your room, doorway, stairway, and hallway dimensions.Tweet This

Queen

60” (W) x 80” (L)

Queen mattress dimensions are 6 inches wider and 5 inches longer than a full-size mattress. These added inches can makeall the difference in comfort, especially for couples, and have made the queen size mattress today’s most popular mattress size. However, with 30 inches of personal space, each adult still has 9 inches less width than if they slept alone in a twin bed.Queen size is a good choice for guest rooms, smaller master bedrooms and for couples who prefer close quarters. It’s also a great choice for single sleepers who are also “sprawlers”.

54” (W) x 75” (L)

A full-size mattress is 53 inches wide, which is just 15 inches wider than a twin size (single). That leaves each partner only 27 inches of personal space. Also at approximately 75 inches long, this sizemay be too shortfor some adults.

A full-size bed is best for a single sleeper, and only if the person is under 5 feet 5 inches tall. Parents are increasingly choosing full size over twin for teenage bedrooms. Parents are even making this choice for younger children in to give themselvesa more comfortable placeto rest when reading together at tuck-in time.

39” (W) x 75” (L)

A twin mattress is the smallest possible mattress size, other than a crib-sized mattress. Both twin and full sizes are approximately 75 inches long, which may be too short for some adults.

Twin XL

39” (W) x 80” (L)

A twin XL might be a good alternative for thoseliving in tight spaces. The XL offers several inches in length but remains around 38 inches in width. The XL twin is a popular choice in college dormitories.

Ideally, your mattress should be6 inches longerthan the tallest person sleeping in it. Partners should be able to rest both hands behind their head (elbows sprawled) without bumping into each other. Your mattress must fit through any doorways, corridors and stairwells leading to your bedroom. Determine how many people (and pets!) will be in the bed and how much room they will need. If you are the bed-time reader with your children, a full-size mattress may be more comfortable that squeezing onto a twin bed.

The friendly and knowledgeable sleep associates at Beloit Mattress Company will behappyto help with your decision. Come in and lay down on the different mattress sizes. This is a great way to determine the mattress size that is right for you and your family.

Mattress Sizes

Whether it’s your first time buying a mattress, or it’s been awhile since you bought your last one, choosing a new mattress can be a big decision. You don’t want to spend a large chunk of change only to realize you didn’t make the right choice. Before you start to worry, we’re here to help.

We’ll break down all the mattress size terminology in this guide so you can choose the best mattress size for you, whether you’re sleeping alone or with a loved one (human or animal), or whether you like to cozy up or sprawl out.

Get started with a quick look at the chart below or scroll down for more details on each mattress size.

Mattress Size Guide

Mattress SizeDimensionsComfortably Fits
Twin38” x 75”1 person
TwinXL38” x 80”1 person
Full/Double54” x 75”1 person with a pet, 2 adults, no pets
Queen60” x 80”1 person with a pet, 2 adults, no pets
King76” x 80”1 adult with pet(s) or child(s), 2 adults with a large pet or child
California King72” x 84”1 adult with multiple pets or children, 2 adults with multiple pets or children
Crib Mattress28” x 52”1 baby
Toddler Mattress28” x 52”1 toddler

Twin Mattress

Twin Mattress Dimensions: 38” x 75”

The twin mattress size is the smallest mattress size that can accommodate young children and most adults comfortably.

Great for…children, single adults, anyone with a small living situation such as a studio apartment or shared room.

Not so great for…couples, taller adult men and women, anyone who likes to spread out when they sleep. Keep in mind that 75 inches translates to 6 foot 3.

Twin XL Mattress

Twin XL Mattress Dimensions: 38” x 80”

The twin XL mattress is the mattress you’re most likely to spot in college dorm rooms. It fits in smaller living spaces while providing extra length for taller adults or teenagers.

Great for…taller adults or teenagers in a small living situation such as a studio apartment or shared room.

Not so great for…couples, anyone who likes to spread out when they sleep.

Full/Double Mattress

Full/Double Mattress Dimensions: 54” x 75”

The full mattress (also known as a double mattress) provides a little over a foot more width to the bed than twin or twin XL mattresses. It used to be the standard size for couples several decades ago when homes were built smaller, but now is more commonly used for individual adults or children who can afford to have the extra space to spread out.

Great for…individual children or adults sleeping alone or with a pet, couples who like to cozy up without pets.

Not so great for…couples where one or both persons wish to have a little personal space to spread out or stretch their legs, taller adults, couples who wish to sleep with their pets.

Queen Mattress

Queen Mattress Dimensions: 60” x 80”

The queen mattress is the most popular mattress size sold today. It provides the extra length for taller adults, and the extra width so couples can still snuggle up but enjoy their personal space to stretch a bit, too.

Great for…adults living on their own who prefer to spread out or sleep with their pets, couples who like to sleep near each other without pets, smaller master bedrooms.

Not so great for…couples where both people like to really spread out or who wish to sleep with their pets.

King Mattress

King Mattress Dimensions: 76” x 80”

The king mattress is the same size as two twin beds side by side. This offers couples ample room to spread out, or to sleep with a large pet or children. For couples who require different support or prefer different mattress types, you can order two different twin mattresses to fit the king bed frame.

Great for…couples who like to spread out, couples who like to sleep with large pets or children, larger master bedrooms (ideally 12 x 10 square feet).

Not so great for…couples with smaller master bedrooms.

California King Mattress

California King Mattress Dimensions: 72” x 84”

The California king mattress is the longest mattress size out there (unless you order a custom mattress, of course)! This is the couple-size version of the twin XL mattress – it provides extra inches for taller adults.

Great for…taller couples who like to spread out, couples who like to sleep with multiple large pets or children, larger master bedrooms.

Not so great for…couples with smaller master bedrooms.

Crib Mattress

Crib Mattress Dimensions: 28” x 52”

Crib mattresses are designed for – you guessed it – cribs for newborns and babies. These are designed for crib frames and will last until your child meets one of the following conditions: is about 18 months old, reaches 3 feet in height, or begins escaping their crib. Search for as firm a mattress as possible. Young infants aren’t able to maneuver themselves so if the mattress is too soft and their face sinks in, they are at increased risk of SIDS or suffocation.

Great for…children up to 18 months old or less than 3 feet in height.

Not so great for…everyone else.

Toddler Mattress

Toddler Mattress Dimensions: 28” x 52”

Toddler mattresses are typically the same size as a crib mattress. What’s different is that toddler mattresses are slightly softer, and are placed in toddler bed frames versus cribs. Parents can opt to buy detachable safety rails to protect the child from falling out. Some parents skip the toddler mattress altogether and move straight to a twin mattress after the crib.

Great for…toddlers or small children.

Not so great for…everyone else.

Mattress Size vs. Mattress Thickness

A common misconception is that larger-size mattresses are thicker than smaller-size mattresses. In fact, most mattress models sold today are the same thickness in each available size, even if the model is available in more than one thickness profile. For instance, let’s say a mattress model is available in 8″ and 10″ thickness options; both profiles will normally be sold in all sizes from Twin to California King.

Mattresses sold today may measure anywhere from six to 18 inches thick, but the vast majority are eight to 12 inches thick. When choosing a mattress based on thickness, your weight and your sleep partner’s weight are the most important considerations. Adult sleepers are divided into three general weight groups.

  • Light (less than 130 pounds):Sleepers in this group typically prefer mattresses that are 10 inches thick or shorter. These beds offer adequate support for lighter individuals without sinking excessively. Most lighter people also have an easier time getting on and off shorter beds.
  • Average (130 to 230 pounds):Those who are average weight may feel comfortable on any bed that measures eight to 12 inches thick, though most prefer those in the 10- to 12- inch range. This thickness offers a balance of conforming and support that is optimal for most average-weight sleepers.
  • Heavy (more than 230 pounds):In most cases, sleepers weighing more than 230 pounds prefer beds that are at least 11 to 12 inches thick – and many may find that more than 12 inches is the best option. Thicker beds won’t sag as much beneath their bodies as thinner ones; additionally, heavier people may struggle getting on and off lower-profile beds.

One thing to note is that higher-profile mattresses tend to be priced higher than lower-profile beds. This is because thicker beds tend to contain more layers of padding and support material, including foams, latex, microcoils, and other potentially expensive components. So if you are mattress shopping on a budget, then a lower-profile bed may be the most suitable choice.

What Size Mattress Do I Need?

When choosing a mattress based on size, here are few important factors to take into account:

  • Do you sleep alone or with a partner?
  • What is your body type?
  • Do children and/or pets frequently share your bed?
  • How do you position your body when you sleep?
  • How much bedroom space do you have?
  • What is your mattress shopping budget?
  • If shopping for a child’s mattress, how old is your child?

Generally speaking, Twin, Twin XL, and Full mattresses are most suitable for single sleepers, while Queen, King, and California King mattresses are designed for two sleepers.

It’s important to remember that Queen sizes will provide less space between the two sleepers than a King or California King will. If you and your sleep partner prefer sleeping close to one another, then a Queen will most likely work. Otherwise, a King or California King will be a better option.

By the same token, Twin and Twin XL mattresses provide less width than Full mattresses. Single sleepers that don’t like sleeping close to the edge of their bed should opt for a Full, but if this is not an issue then Twin or Twin XL sizes will suffice.

Most single sleepers will find all mattress sizes provide adequate space for them, regardless of their height or weight. However, those with larger bodies should consider mattress width. A typical Twin/Twin XL mattress measures 38 to 39 inches wide, while a Full usually measures 53 to 54 inches wide. If these dimensions are too narrow, then consider a Queen or larger.

In terms of height, a typical Twin or Full mattress will accommodate anyone who is 6 feet 2 inches or shorter; a Twin XL, Queen, or King will accommodate anyone who is 6 feet 7 inches or shorter; and a California King will accommodate anyone who is 6 feet 11 inches or shorter. Those who are 7 feet or taller may want to consider a custom bed with longer length dimensions.

If one or more children frequently sleeps in bed with you, then a Queen size or larger is usually necessary – even if you are a single sleeper and don’t have an adult sleep partner. A Full may be wide enough to accommodate you and a smaller child, but not older children and/or more than one child. If you share your bed with another adult and children visit during the night, then a King or California King will usually work best.

If you share your bed with a larger dog, then a Queen or larger may be needed – even if you don’t have an adult sleep partner. However, Twin, Twin XL, and Full mattresses may be large enough to accommodate you and a smaller dog, cat, and other smaller pets.

Do you like to sprawl out your arms and legs while you sleep? If so, then a Queen, King, or California King will be the best option – especially if you have a sleep partner. Single sleepers who tend to tuck in their arms and legs during the night may find that smaller mattress sizes are sufficient. Those who toss and turn may find smaller sizes too narrow.

Larger mattress sizes take up a lot of space. It’s important to measure the available square footage in your bedroom before choosing a mattress size. Standard square inches/footage measurements for common mattress sizes are as follows:

  • Twin:2,925 sq. in./20.3 sq. ft.
  • Twin XL:3,120 sq. in./21.7 sq. ft.
  • Full:4,050 sq. in./28.1 sq. ft.
  • Queen:4,800 sq. in./33.3 sq. ft.
  • King:6,080 sq. in./42.2 sq. ft.
  • California King:6,048 sq. in./42 sq. ft.

Also be sure to take the mattress height into consideration, particularly if you have low ceilings or fixtures, or you want to store items underneath the bed.

The cost difference between a Twin and a King/California King can be slight or significant, depending on the brand. Be sure to draw comparisons between the price-points of different brands while you are shopping. Also, keep in mind that Twin/Twin XL and King/California King mattresses often share the same model-specific price-points.

Crib mattresses are designed for newborns and infants up to 18 months old, as well as those whose height measures three feet or shorter. If your child is older and/or taller, then a Toddler mattress will be the most suitable option.

Mattress Size FAQ

Still have questions? The FAQ section below seeks to answer the most common questions we have received about mattresses.

Can two people sleep in a full bed?

It is not uncommon for a couple to share a full-size mattress. However, whether two people can fit comfortably on a full-size mattress may depend on the size of each individual and/or their personal sleep needs. To give you some perspective, each person will have around 27 inches of space when sharing a full bed.

What’s the difference between a full and a double?

In the mattress world, the terms “full” and “double” are often used interchangeably. “Double” is a slightly older term that is not as commonly used. It’s worth noting that a full and double are both shorter than a queen; you may want to take height into consideration when deciding between a full or queen.

What’s the difference between a twin and a single?

Much like single and double, a “twin” and a “single” are terms used interchangeably in the mattress industry, with “single” being the slightly older term.

Can you get a custom sized mattress?

The most common sizes, “king”, “queen”, “full”, and “twin” are not the only mattresses available for purchase. Many companies will make a custom mattress upon request. For example, some manufacturers will special-design an extremely tall mattress or a mattress that is larger than a California king.

Are there different sized mattresses for RVs?

Because recreational vehicles (RVs) typically feature a smaller space for sleeping, RV mattresses usually have a smaller size and lower profile. If you are searching for an RV mattress, you generally have the option to purchase a mattress that has been specially designed for an RV or a low-profile, small-size bed.

Are there any sizes larger than a California King?

Mattresses larger than the California King do exist, and are sometimes referred to as “Alaska King” or “Wyoming King” beds. The Alaska King measures at a whopping 9’ by 9’, while the Wyoming King is a slightly smaller 7’ by 7’. By comparison, California Kings measure 72” x 84”.

Alaska and Wyoming mattresses are ideal for young families who prefer to sleep together, people who share beds with large dogs, and people who simply want more space when sleeping with their significant other. You won’t find Alaska or Wyoming King beds in most retail stores; these beds typically require custom design requests.

What’s the most popular mattress size?

Capable of fitting two people comfortably, “queen” is the most popular mattress size.

Do I need sheets and a comforter that are the same size as my bed?

The short answer is yes. Particularly when it comes to fitted sheets, it is important to purchase sheets that are not only the correct size, but have the correct depth or height.The general rule of thumb is that you need a fitted sheet depth that is at least two inches deeper than the height of your mattress.

On the other hand, if you choose a mattress comforter or duvet that is slightly too large for your bed, it’s often less of a problem — the ends of the bedding may simply hang off the sides of the mattress.

Are there different sized pillows as well?

Pillow size may come into play depending on the size of your mattress. The smallest and most common sized pillows, standard (20W” x 26L”), tend to be sufficient for twin and full-size mattresses. However, people who toss and turn frequently during the night may opt for a larger pillow — such as the super standard (20W” x 28L”), queen (20W” x 30L”), or king (20-21W” x 36-41?L). You may also consider a body pillow (dimensions vary; generally between 48W” x 20L” or 54W” x 24L”), ideal for side sleepers, pregnant women, and those who enjoy snuggling with their pillow.

Bed Size Dimensions Chart & Guide

Width X Length, measured in inches
For perspective, 72″ = 6 feet

Need the exact size of a mattress before ordering? Many people do; that’s why we designed our bed size dimensions chart and guide for our visitors. Quickly check the different bed sizes for Full, Queen, King, and California King with nine different bed sizes in total. Scroll down for more info on each of the canine bed sizes.

Need the exact size of a mattress before ordering?

Many people do; that’s why we designed our bed size dimensions chart and guide for our visitors. Buying online saves money, and most online mattress companies give buyers 100+ nights to try it out after buying!

Mattresses are kept for several years, and we often forget the measurements after buying the last one, or we wonder if a larger size will fit nicely in the bedroom. Use these handy measurements before you buy online.

The older traditional way of purchasing a mattress meant going to the store and checking the size. But the trend today is ordering online and knowing the exact measurements is essential information for mattress buyers. The differences between a King size bed and a California King can be explained easily with a chart.

Mattress Dimensions In Feet

Width X Length in Feet

Small Twin2’5″ W x 6′.2″ L
Twin 3′.1″ W x 6′.2″ L
Twin XL 3′.1″ W x 6′.6″ L
Full/Double 4′.5″ W x 6′.3″ L
Full XL 4′.5″ W x 6′.6″ L
Queen 5′ W x 6′.6″ L
Olympic Queen 5′.5″ W x 6′.6″ L
King Size 6′.3” W x 6′.6″ L
California King 6′ W x 7′ L

9 Individual Mattress Sizes

Below are the 9 individual bed sizes enlarged. We hope this makes your mattress shopping much easier.

Small Single Size Bed

Small Single 30″ x 75″

Suitable for babies and small children.

Twin 38″ x 75″

Twin 38″ wide x 75″ long

This is suitable for larger kids, teenagers, and single adults in small apartments. A mattress of this size is often used for bunk beds in ships, barracks, dorms and guest rooms. For kids, there are no mattress sizes smaller except for a small single. What parents need to consider is that when their children grow older, they’ll need to move them to larger rooms or beds, replace Small Single mattresses with Twin as Twin mattresses are made more comfortable. Comfort is paramount as sleepers get older.

Twin XL 38″ x 80″

Twin XL 38” wide x 80” long

There are single kids and adults that are larger and taller than usual, and these bed sizes should accommodate them perfectly.

Full 54″ x 75″

Full 54” wide x 75” long

Also known as standard double, this is great for single toss-sleeping adults who require plenty of legroom, for single parents with children or single sleepers with pets on the bed, or for couples who don’t require much legroom or sleep in small quarters.

Full XL 54″ x 80″

Full XL 54” wide x 80” long

Same as the above but with extra legroom for taller individuals or couples. This is for individuals who like to live largely. Often the choice for hotels that accommodate couples.

Queen 60″ x 80″

Queen 60” wide x 80” long

This is already excessive for single persons but perfect for most couples. This is often the choice for couples that don’t require much sleep space, sleep in smaller rooms, and/or have no plans accommodating kids or pets in the short run.

Olympic Queen 66″ x 80″

Olympic Queen 66” wide x 80” long

Slightly wider than King Size. Good for couples with smaller kids or a pet in between. This bed type is also more suited for square rooms while the former is suited for rectangular rooms.

King 76″ x 80″

King Size 76” wide x 80” long

Also known as Eastern King, this is a quite substantial bed for couples with enough space for both to sleep comfortably and can accommodate a third person, often a child. This is a pretty large bed recommended only for rooms with a minimum dimension of 12’ x 12’. King size is also recommended for couples with different mattress preferences (firmer or softer). A King size bed can accommodate two Twin XL mattresses in case the partners’ tastes differ. Waking up from a good night’s sleep can be seen as a factor in relationships.

California King 72″ x 84″

California King 72” wide x 84” long

Also known as Western King, this type of bed is slightly longer and narrower than the standard King size. This bed is suitable for taller sleepers. Considering room dimensions, this bed would be perfect for more extended and narrower rooms. One caveat of this type of bed is that it’s harder to accessorize with sheets and mattresses.

California King vs. King Size

King = Wider but not as long

California King = Not as wide but longer

Now that you know the correct bed sizes and the size you need buying a new mattress online or choosing a hotel to stay in should be much easier especially when it’s specified what type of beds are in their rooms. The same goes when purchasing a new home. New owners can consider taking or leaving their current beds or buying new ones altogether after knowing the dimensions of the bedrooms.

And then there’s planning for the future when building or renovating homes; owners can know what size the bedrooms should be according to the size of beds they prefer and who they’re intended for. An individual can plan what beds need to be purchased if they want to stay single, enter into relationships, become married, and/or raise a family. And it also goes without saying, the right bed size, the correct amount of space and legroom is essential in having a good night’s sleep.

Bed Size FAQs

What are the dimensions of a California King size bed?

California King bed is 72 inches wide x 84 inches long

What are the dimensions of a King size bed?

King Size Bed is 76 inches wide x 80 inches long

What are the dimensions of a Queen size bed?

Queen size bed is 60 inches wide x 80 inches long

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