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Mattress Sizes & Dimensions – The Complete Guide

Mattress Sizes

Here are the dimensions for some common mattress sizes in the United States:

  1. Twin: 38 inches wide by 75 inches long (96.5 cm x 190.5 cm)
  2. Twin XL: 38 inches wide by 80 inches long (96.5 cm x 203 cm)
  3. Full/Double: 54 inches wide by 75 inches long (137 cm x 190.5 cm)
  4. Queen: 60 inches wide by 80 inches long (152.5 cm x 203 cm)
  5. King: 76 inches wide by 80 inches long (193 cm x 203 cm)
  6. California King: 72 inches wide by 84 inches long (183 cm x 213.5 cm)
  7. Alaskan King: 108 inches wide by 108 inches long (274 cm x 274 cm)
hollywood celebrity mattresses

When buying a mattress, size isn’t the first thing that people consider. Other factors like firmness and material usually come first. While they are indeed important, the size of the mattress is also essential. To determine the right size of the mattress, you have to consider the size of the room, as well as the size and shape of the bed. How big is your bed? Will the mattress leave enough leg room? What is the shape of the bed? All these factors go into deciding the right mattress size. If you are buying a mattress to place on the floor, you must consider the heights of the sleepers and the size of the room. The mattress should be big enough to be comfortable, but not so big that it doesn’t leave any space in the room.

You might think that you would be able to understand the different sizes of beds easily, but it isn’t so. With an overwhelmingly large number of sizes, choosing the right mattress can be a lot more complicated than we usually imagine. What exactly is the size of your bed? Is it a king or a queen? And what is the difference between a queen and a double mattress? Since a mattress has a great impact on your sleep and overall health, you need to find the perfect size for your bed. Only the right mattress will be able to provide the best comfort and sleep.

Why There Are Different Mattress Sizes?

Mattresses come in different sizes because no two persons, no two rooms, and no two rooms are alike. What fits a square bed will not fit a rectangular bed. There are also circular beds nowadays, and they need a completely different type of mattress. Some beds are too small, barely able to fit one person. Some beds are larger where two children can fit comfortably. Standard single beds have enough room for one grown person, while full-size beds are right for two people. Some beds are also big enough to fit three. Kids beds and bunk beds are usually smaller and narrower and need smaller mattresses.

To complicate matters further, mattress size varies from one country to another. If a person from Europe buys a mattress in the US, there’s a good chance of getting all confused. The first thing that you are asked when you go for mattress shopping is the size you are looking for. Unfortunately, it isn’t at all easy to decide a size from the various beds on display at the store. If you give a vague reply, you will come home with the wrong mattress. Therefore, knowing the dimensions of the bed should come before mattress shopping.

Who Decides the Mattress Size and Dimensions?

Mattresses sizes vary widely by country. In countries like Canada, mattress sizes begin from baby cribs, while in Australia, they begin from single beds. Names and dimensions vary considerably from one region to another, and most countries also have their own standards and terminologies for different mattresses. Two mattresses with the same name and nominal size may have different dimensions, while two mattresses with different names may have the same size. This is because of materials used, thickness, supper type, amount of padding and other manufacturing tolerances. Everywhere around the world, standard beds are square and rectangular, but special shapes, such as circular, can be custom made.

Before going for mattress shopping, it is recommended that you get familiar with the mattress sizing guidelines of your region. This will help you select the accurate size for your bed.

How to Determine Your Mattress Size and Requirements?

There are two ways to determine your mattress size. The first involves measuring your bed, and the second involves measuring your existing mattress. It is recommended that the mattress be at least four inches longer than the tallest person to sleep on it.

Make sure to strip your bed of all sheets and covers before measuring it. Measure the length and the breadth accurately, either in inches or centimeters. Next, find the mattress size guide for your region and figure out what standard size best matches your bed. If you have bought mattresses earlier for your bed and know the standard size, the process becomes a lot easier.

What are the Different Mattress Sizes?

 

ype of MattreSize (Inches)Intended UserCot or Small Single Mattress30 X 75Best suited for babies and toddlersTwin Mattress38 X 75Toddlers who no longer can sleep comfortably in a crib. Also ideal for single adults, bunk bed or a daybed.Twin XL Mattress38 X 80Best suited to be used with adjustable bed frames by kids or tall adults.Full Size Mattress54 X 75Ideal for singles, couples who can accommodate easily, to sleep with a pet or a child.Full XL Sized Mattress54 X 80Suited for couples who cannot accommodate Queen Size Mattress due to small bedroom size.Queen Sized Mattress60 X 80Most ideal for someone who needs lot of space to sleep. Prefect for most couples.King Sized Mattress76 X 80Perfect for couples who need lot of space while sleeping.alifornia King Sized Mattress72 X 84A bit longer than Queen Sized Mattress, ideal for tall couples.

There are a wide variety of mattress sizes and dimensions. Here we take a look at some of the standard sizes.

Small Single or Crib Mattress: This is the smallest available mattress size in the world, meant for newborns, infants, and babies. This is usually the first mattress a person ever sleeps on. Take note that this size isn’t available in every country. For instance, in Australia, this isn’t a standard size and has to be custom made. The small single or crib size mattress has the dimensions of 30 inches X 75 inches in the US and Canada, and 24 inches X 75 inches in UK and Ireland. It is vital to get the size right when buying a mattress for your baby. Always buy the crib first, and then the mattress. Size is more important for a crib mattress than any other mattresses. The mattress should fit the crib exactly, leaving no space between the bedding and the frame. Any space between the mattress and the crib can get the baby trapped and cause injury. Also make sure to choose a firm mattress, because softer mattresses have greater sinkage and have been found to cause suffocation.

Single or Twin: Also used for bunk beds, this is usually the smallest adult bed size in most countries. Although single or twin beds are available all over the world, the dimensions vary from one region to another. In the US, the dimensions are 38 inches × 75 inches, while in the UK and Ireland, they are 35 inches × 75 inches, and in Australia, the dimensions are 36-inch × 74 inches. When picking a single or twin bed size, always refer to the size chart applicable to your region.

Twin beds are usually the least expensive of all adult mattresses and happen to be rectangular in shape. As the name suggests, single mattresses are designed for single sleepers who do not need much space in the bed, or want to fit a bed in a small bedroom or dorm room. Although two adults will not be able to share a twin size bed, two kids can easily sleep together on it, or an adult with a small child.

Twin XL: This size is available only in certain regions, like the US and Europe. Usually the next size after single or twin, it is a little longer in length, and measures 38 inches × 80 inches in the US, and 35 inches × 83 inches in Europe.

Much like twin mattresses, twin XL mattresses are designed for taller, single sleepers who don’t move around at night. Twin XL mattresses can also be shared by two kids or an adult and a child. A single adult can also fit in a small pet. Twin XL beds save space in the room. If you are a tall individual and sleep alone, then the Twin XL size is much better for you compared to the standard single or twin.

King Single/ Super Single: The King single is the right size for medium-sized rooms that don’t have space for a full bed. Unfortunately, the King single isn’t a standard size in most countries. It is only available in Australia, New Zealand, and Europe. In Australia and New Zealand, the King Single measures 42 inches × 80 inches, while in Europe the dimensions are 42 in × 79 inches. If you need this size in the US, you can get it custom made.

The king single is the largest single bed available. It is perfect for single sleepers who move around during the night, teens and growing kids, and also for sharing with a pet. It can also be the right size for a small guest room. In places where this size is available, the King single is actually a popular choice because it’s smaller than a double bed but larger than twin XL. Perfect for saving space in a room, a King single mattress will allow a single sleeper (or two kids) to be comfortable while leaving enough space in the room for other furniture.

Small Double: Also called three-quarter, this is a little smaller than a full double bed and measures 48 inches x 75 inches in the US and the UK. Small double mattresses are the go-to option for those looking for a slightly bigger mattress that’s smaller than a double. If your bedroom doesn’t have a lot of space, then a small double lets you enjoy the feel of a double bed while also saving space. A small double can also be shared by two people if they are not too active during the night.

Besides, it is also a great choice for growing children who don’t yet need a double bed. When your child starts to grow out of the existing single bed, a small double is a perfect size that will save space, give enough room to sleep comfortably, and also make them feel like they have a bed like yours. The small double isn’t available in Europe and Australia, but available in Japan and some of the Scandinavian regions.

Double: Also called full, this is a standard bed size that’s available all over the world. But the dimensions vary from one country to another. A double bed is smaller than a Queen but larger than a Twin XL. Modern double mattresses are designed for single people who want more space than what’s offered by a Twin XL. Even till a few years ago, the double bed was the standard mattress size for couples; in fact, that’s where the name ‘double’ comes from. But after the Queen came in, that is what is more preferred these days.

Queen: This is the standard mattresses for couples. It has been designed for couples, with a suitable width for sharing and a length that’s long enough for most people (except if you are Michael Jordan). Most couples today find the Queen more cost-effective and spacious than the double. It measures 60 inches x 80 inches and comfortably fits a spacious room. Unless a room is too small, a Queen bed usually saves floor space

King: The King size mattress is aptly called so because it is the largest and the most luxurious of all sizes. Unfortunately, the King bed will only fit rooms that are large. In a big room, a King mattress will fit nicely while also leaving enough space for other furniture. The King bed was mainly designed for couples to sleep comfortably without feeling cramped, but that doesn’t mean others cannot sleep on it. If you prefer to sleep on a large bed with plenty of room to sprawl, the King bed will let you sleep like a king. In most countries, the size of the King mattresses is either 76 inches x 80 inches, or 76 inches x 60 inches. As evident from the dimensions, the King mattress is square in shape. Keep in mind; it’s also one of the most expensive mattresses.

California King: If your feet hang off the bed even on a King mattress, you need the California King. There isn’t much difference between King and Cal King, except that four inches have been removed from the width and added to the length. The Cal King is the longest mattress size, great for tall people. The prices of the King and the Cal King sizes have little difference between them, just like their dimensions.

While it’s difficult to say for sure, it is often assumed that California king mattresses are more popular in California due to the name association. However, there is no concrete evidence to support this claim, and the popularity of California king mattresses can vary depending on factors such as regional preferences, availability, and personal preferences.

California king mattresses were originally designed in the 1960s for Hollywood celebrities, who wanted an extra-long mattress that could accommodate their tall frames. Since then, California king mattresses have become more widely available and are popular among many people who value the extra length.

It’s also worth noting that standard king-size mattresses remain the most popular mattress size in the United States overall, according to industry data. However, the popularity of different mattress sizes can vary depending on factors such as geography, demographics, and marketing.

There is no single individual or company credited with creating the first California king mattress, as it likely evolved over time through a combination of consumer demand and mattress manufacturers experimenting with different sizes and designs. However, it is known that the California king size was not officially recognized as a standard size by the bedding industry until the 1980s, after it had gained popularity among consumers in California and other parts of the country.

 

If you’ve never paid much attention to mattress sizes, now is the time. The best thing to do is to measure your bed and then take the help of the storekeepers to make the right choice. The dimensions of an existing mattress should also work. Remember that a good night’s rest depends upon the mattress, so investing time and care in its purchase is highly essential.

Compare the most popular mattress brands

Unique Mattress Sizes

  1. Full XL – This size is wider and longer than a standard full-size bed, measuring 54 inches wide by 80 inches long. It can be a good option for couples who want a smaller bed but need more width than a twin or twin XL.

  2. RV/Short Queen – This size is commonly used in recreational vehicles and measures 60 inches wide by 74-75 inches long. It can be a good option for people who have limited space but still want a comfortable sleep surface.

The Alaskan King Mattress

An Alaskan king mattress is an oversized mattress that measures 108 inches wide by 108 inches long, making it one of the largest standard mattress sizes available. It is sometimes also referred to as an “Alaska king” or “Alaska bed.”

Due to its large size, an Alaskan king mattress is ideal for people who need extra space to sleep comfortably, such as families with children, couples with pets or individuals who simply enjoy having a lot of room to stretch out. However, it is important to note that finding bedding and accessories for an Alaskan king mattress can be challenging, as it is not a common size and may require custom-made items. Additionally, the size of the mattress can make it difficult to move and may not fit through narrow doorways or staircases, so it is important to consider these factors before purchasing an Alaskan king mattress.

Round Mattresses

Round mattresses are a unique type of mattress that, as the name suggests, have a circular shape rather than the traditional rectangular shape of most mattresses. Round mattresses can come in a variety of sizes, but they are typically smaller than standard sizes, such as twin or full size, and are often used as novelty items or for decorative purposes.

Some people find round mattresses to be comfortable and supportive, as they offer a uniform sleeping surface that can help distribute body weight more evenly. However, others may find the circular shape to be awkward or challenging to get used to.

Round mattresses can be harder to find and may be more expensive than traditional mattresses due to their unique design and manufacturing process. They may also require custom-made bedding and accessories. Additionally, the circular shape of the mattress may not fit well in standard bed frames, so it’s important to choose a compatible frame or consider purchasing a specialized bed designed for round mattresses.

Using a Sound Machine for Better Sleep

Marpac Dohm

 

A large percentage of the urban population suffers from sleep disorders. The growing disorders of sleep have led the Center for Disease Control and Prevention to give it epidemic status. In various surveys, it has been found that almost one-third of adults in the US suffer from lack of sleep. While hectic schedules and unhealthy lifestyles are to blame for less the adequate sleep in many people, it is far from healthy. People get used to getting less than eight hours of sleep, but it impacts health and well-being in the long run.

The CDC giving sleep disorders epidemic status only reflects how fast sleeplessness is growing today. Sleep disorders are myriad. Fragmented sleep is perhaps the most common sleep disorder, where the individual wakes up several times at night, leading to insufficient rest. Insomnia is another leading sleep problem, where the individual is unable to fall asleep. Nightmares, night sweats, and snoring are all sleep disorders. Most people who suffer from excessive daytime sleepiness actually have some kind of sleep disorder. Fatigue and daytime sleepiness results in difficult to concentrate and loss of productivity. Sleep impacts overall health, and so does the lack of it.

What Are the Most Common Causes of Restless Sleep?

The reasons behind sleep disorders may vary from one person to another. Without proper diagnosis, sleep disorders go unrecognized and keep causing problems. Most people who suffer from daytime sleepiness or fatigue can go years without knowing they actually have a sleep disorder. Most people also never get treated for snoring.

Some of the most common causes of sleep disorders are:

Physical Factors: Several physical problems could lead to unsound sleep, but they are usually temporary. Having a fever, an infection, indigestion, or chronic pains and inflammation can lead to unsound sleep. Medicines for certain illnesses can also interfere with the sleep cycle. Menopausal women often get hot flashes and night sweats that keep them from getting proper sleep. Eating rich food before bedtime can slow down digestion and cause discomfort, leading to unsound sleep. All these problems are temporary. Once the physical symptoms disappear, normal sleep should return.

Medical Causes: Various underlying medical causes could be interfering with the normal sleep cycle. Sleep apnea is one of the biggest medical causes of unsound sleep. When a person has sleep apnea, the throat muscles relax and block the airway, obstructing the airflow. This results in snoring, dry mouth, and frequent awakenings. People with sleep apnea often go about the day feeling tired and sleepy, and even though they fall asleep easily, they don’t get the sufficient amount.

There are various other medical causes for unsound sleep. Asthma could be a reason, where the person doesn’t get proper sleep because of breathlessness. Restless Legs Syndrome is another potential cause, where the person constantly kicks his legs in sleep. Nightmares and night terrors are also reasons why sleep may be hampered.

Environmental Reasons: Although mostly overlooked, environmental factors are often the culprit for unsound sleep. Living beside a busy street with loud traffic could cause unsound sleep. Living in a crowded neighborhood does the same. Living with roommates means having to bear with late-night conversations and other noises. Even a loud TV or music somewhere close, or the neighbor’s dog barking can keep up the person through the night. These factors are usually disregarded, but a change in living conditions has been found to improve sleep quality.

Psychiatric Causes: Anxiety, depression, and other mental conditions often cause sleep disorders. Even stress and emotional disturbances can lead to unsound sleep.

How to Eliminate Environmental Sounds from Your Bedroom for Sound Sleep

It is amazing just how much environmental noises are all around us. From the low hum of the refrigerator to the tick-tock of the clock, to the doorbell to the TV to the neighbors talking next doors. If you take a moment to stay quiet and concentrate on the sounds, it seems pretty overwhelming. When these noises get loud, they can affect our sleep quality.

Whether the noises originate inside or outside the house, they must be eliminated to go get proper sleep. A few ways to reduce ambient noises are:

Covering The Floor with Rugs: If you have hardwood flooring, it has a tendency of reflecting noise. If there are people living on the floors underneath yours, they will also be bombarded by every noise coming from your apartment. The best solution to both of these problems is to cover the floors with rugs or carpets. Wall to wall carpeting is the most effective at dampening noises, even rugs and carpet tiles can achieve the same noise cancelation.

Covering Windows with Drapes: Unless your windows are soundproof, they will let in ambient noises. Thick curtains are the solution for preventing street noises from filtering in through thin windows. Drapes that work best are lined curtains made from heavy materials like velvet or satin, or special noise-absorbing curtains with a thick wool core sandwiched between the outer fabrics. You might also try getting sound proof glasses for the windows or foam insulation for the walls (like the ones used in music studios).

Line Outer Walls with Shelves: Insulating the walls from both inside and outside will reduce noises to the most. Line your outside walls with wooden bookshelves or cabinets for noise absorption. Filling the shelf with linens, towels or books is even better because they are all natural noise insulators.

What is A White Noise Machine for Sleep?

For urban and suburban dwellers, total silence is never an option. There is always some noise or the other. Even if you are able to quieten the insides of your house, the ambient noise from neighbors, traffic, barking dogs, and garbage truck cannot be quieted. If you live in an apartment, you may hear footsteps above your head. If you live in a dorm, you may have to bear with others talking and laughing late into the night.

If you are in the countryside, chances are you will have total silence. But what if you are someone who needs some sort of background noise to be able to fall asleep?

This is the reason why white noise or sound machines have become so popular. Whether you want to drown out unpleasant noises or create a pleasing sound barrier, white noise machines achieve both. These acoustic sleep machines have become the go-to option for several sleepers because they reduce and screen ambient noises, and create a static sound barrier from auditory interruptions from outside.

White noise machines are of various types, from simple and inexpensive to feature-laden and pricey, the choices are endless. The basic sound machines can create only one or two noises, like the low buzz of a fan or a soft hum. These sounds can be made louder or softer. More expensive sound machines are usually designed and clinically tested to function like a sleep aid and come fitted with a variety of assorted acoustic sounds.

Some of the sounds that a white noise machine usually comes with are:

  • Waterfall
  • Rain
  • Rainforest
  • River or stream
  • Train
  • Nighttime sounds like crickets

How does the White Noise Machine help in Sound Sleep?

The white noise machine helps with sleep in various ways. Some of them are:

Building A Bedtime Ritual: When you use a sound machine along with your other bedtime habits (brushing, showering, etc.) your body realizes that it’s time for bed. This helps create a bedtime ritual and helps you fall asleep more easily.

Keeping The Room Quiet: The primary purpose of the sound machine is to drown out ambient noises and make falling asleep easier. White noise keeps away disturbing sounds and creates a quiet haven for optimal sleep.

Shutting Down the Brain: Besides shutting out ambient noise, the sound machine also helps shut out the constant chatter in the brain. If you’re someone who cannot fall asleep because your mind won’t keep quiet, white noise can be of great help.  This is also the reason why it is used for meditation.

White Noise On the Go: If you are a frequent traveler, falling asleep in strange places can be difficult. A portable white noise machine will drown out ambient noise and help you get sound sleep.

Is White Noise Machine Safe for Babies too?

Many parents swear by a white noise machine to help their babies fall asleep. While it does help reduce ambient noises, it also has a number of pitfalls. The constant noise near the babies’ ears can lead to hearing problems or even permanent damage. The machine also makes babies dependent on the white noise. This is a problem when the baby has to sleep without the machine. Occasional use of the white noise machine could still be all right, but not regular use.

While a sound machine is beneficial in bringing sleep, it must be used regularly in order to be effective. At the same time, make sure you aren’t dependent on the machine. This could be a problem when you have to sleep without a white noise machine. To get the most out of a white noise machine, build it into your bedtime routine and use it at home even when there isn’t any noise to mask.

My favorite white noise machine is the Marpac Dohm. It is an analog sound which means there are no speakers, it is a natural sound that surrounds the room and is very comforting. Check out my full Marpac Dohm review here.