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Last Updated December 11, 2024
Mattress Sizes Chart and Bed Dimensions Guide is Updated for 2024 and is an essential Reference Resource. A common problem for those with smaller bedrooms is not having enough space to fit a large mattress. And even if your bedroom is on the spacious side, chances are you might still want a larger mattress for added comfort. That's why it's important to know the different mattress sizes and dimensions before you go shopping.
Key Takeaways:
This guide will give you an overview of the different mattress sizes and bed dimensions (bed widths and bed lengths) available on the market so that you can find the perfect fit for your needs.
It can be tricky to know whether you should get a full, queen, or king size mattress. And then there are all the different mattress dimensions to consider! To help you make sense of it all, we've put together a mattress sizes and dimensions chart.
| MATTRESS SIZE | DIMENSION IN INCHES (Width x Length) |
DIMENSION IN CM (Width x Length) |
DIMENSION IN FEET (Width x Length) |
|---|---|---|---|
| Crib | 28 x 52 inches | 71.12 x 132.08 cm | 2.33 x 4.33 feet |
| Twin | 38 x 75 inches | 96.52 x 190.5 cm | 3.16 x 6.25 feet |
| Twin XL | 38 x 80 inches | 96.52 x 203.2 cm | 3.16 x 6.66 feet |
| Full | 54 x 75 inches | 137.16 x 190.5 cm | 4.5 x 6.25 feet |
| Full XL | 54 x 80 inches | 137.16 x 203.2 cm | 4.5 x 6.66 feet |
| Queen | 60 x 80 inches | 152.4 x 203.2 cm | 5 x 6.66 feet |
| California Queen | 60 x 84 inches | 152.4 x 213.36 cm | 5 x 7 feet |
| Olympic Queen | 66 x 80 inches | 167.64 x 203.2 cm | 5.5 x 6.66 feet |
| King | 76 x 80 inches | 193.04 x 203.2 cm | 6.33 x 6.66 feet |
| Super King | 72 x 78 inches | 182.88 x 198.12 cm | 6 x 6.5 feet |
| California King | 72 x 84 inches | 182.88 x 213.36 cm | 6 x 7 feet |
| Texas King | 80 x 98 inches | 203.2 x 248.92 cm | 6.66 x 8.16 feet |
| Alaskan King | 108 x 108 inches | 274.32 x 274.32 cm | 9 x 9 feet |
Before we get into the details, please note that this is not an international mattress size guide as it focuses solely on mattress sizes and dimensions in Canada and the US.
The first step to your research should be getting to know the types of mattresses that are commonly found in American bedding stores. Standard mattress sizes make it easy to find sheets and other bedding that will fit your bed, and they also make it easier to move your mattress from one place to another.
Below, we have listed the most popular mattresses here (along with dimensions, recommended room size, and bed frame sizes); by the time you complete this list, you will have a better idea of your style preferences.
The twin size mattress is another name given to a single mattress, i.e., a mattress that can accommodate a single adult sleeper, though there isn’t much room to move about in sleep. It is the smallest of all the standard size mattresses in America.
A regular twin mattress is ideally preferred by parents of children when choosing a first mattress for their individual beds or bunk beds. Children and regular-sized teens can keep on using twin mattresses well into adulthood. It is also suitable for adults under 6 feet tall with a space issue.
Twin XL mattresses measure 38 inches wide and 80 inches long, making them 5 inches longer than twin size mattresses. This difference in length contributes to the XL’s specific popularity in college dorms. Basically, teens who get hit by growth spurts outgrow their previous mattresses, so the next most popular choice is to go for the twin XL mattress. It can accommodate kids as tall as 6 feet 5 inches, so huge legroom is assured.
Colleges also tend to furnish all their dorm beds with twin XL mattresses to accommodate students of average to tall heights. They are typically more expensive than standard twin mattresses due to their larger mattress size. However, twin XL beds can be a great investment for those who need the extra space.
The full size mattress, also referred to as the double mattress, measures 54 inches wide and 75 inches long. The mattress is called full size or double because it used to be the standard sleeping mattress for couples way back in the 1940s.
The double bed fits easily in a 9 feet 6 inches by 10 feet 6 inches room; however, you have to account for furniture, other utilities and moveable space within the room. Thus, a few inches more on each side should be ideal for a room where a double mattress is to be installed.
A queen mattress is a bed that is 60 inches wide and 80 inches long. This makes it slightly smaller than a king mattress, which is typically 76 inches wide and 80 inches long.
Queen mattresses are the most popular mattress size in America, as they are the ideal standard size mattress where a couple can comfortably sleep together without running into space issues. Both partners will have ample legroom to reposition once in a while in sleep without waking the other, or worse, pushing them off the bed!
Pro Tip: Opt for a split queen mattress if you and your partner have different mattress preferences.
A king mattress is a great choice for couples who want plenty of space to sprawl out or for anyone who simply wants more room to themselves. Its dimensions are 76 inches wide by 80 inches long, making it significantly wider than a queen mattress.
Moving the mattress can be a bit of a tough job but it's all worth it when you see the mattress tie your master bedroom together. For context, a standard king size bed is about the same size as two twin XL mattresses joined together.
Pro Tip: Go for a split king mattress if you and your partner have different mattress preferences.
A California King mattress is one of the biggest mattress size options available. It is 72 inches wide and 84 inches long, making it 4 inches narrower but 4 inches longer than a standard king mattress. This extra length can be a big advantage for people who are 6 feet tall or taller, as it gives them more room to stretch out.
In addition to the above, there are also other non-standard mattress sizes available. This includes:
A crib size mattress fits inside a crib, and its dimensions are regulated by the government (to be at least 27 1/4 inches wide and 51 5/8 inches long) in adherence to safety hazards. Commercially, a crib mattress is typically 28 x 52 inches. This size is also known as a mini or junior bed. Some crib mattresses have one extra inch in length, which is helpful if you plan on using the mattress for a toddler bed.
Crib mattresses have to be at least 6 inches thick and firm. A child is safe inside the crib at a height of 3 feet. Once the child outgrows the height, it's time to shift to a small single mattress.
The Full XL mattress is a larger version of the double mattress and measures 54 x 80 inches. While this mattress may not be ideal for accommodating two fully grown adults comfortably, individuals taller than the average American (69 inches) will likely find it more suitable for their height.
Olympic queen size mattresses are a great option for couples who want more space than a standard queen mattress offers. With dimensions of 66" x 80", an Olympic queen is 6" wider than a standard queen. You know what it means—your precious sleep just got a little more comfortable. This extra width can make a big difference when you're trying to share a bed with another person or a pet.
The California queen mattress is a variation of the California king mattress and measures 60 inches wide and 84 inches long, making it 4 inches longer than a standard queen size mattress. For couples with very tall sleepers, it's the perfect choice.
A super king mattress is one of the largest on the market, measuring in at a whopping 72 inches wide by 78 inches long. That's nearly six feet wide and seven feet long! It's the perfect size for a spacious master bedroom or for anyone who just likes to have a lot of room to sprawl out. If you're considering a super king mattress, you'll need to make sure you have enough space in your room for it.
The Texas King bed dimensions are pretty impressive, measuring 80 inches by 98 inches. It is named after the State of Texas, which is known for its large size. Texas mattresses are also sometimes called "family size" mattresses because they can comfortably sleep three or four people.
While most mattresses come in standard sizes, Texas mattresses are not as common and may be harder to find. However, they can be worth the effort if you need the extra space.
When it comes to luxurious and spacious sleeping arrangements, the Alaskan king bed dimensions take center stage in the realm of expansive mattresses. It is one of the largest mattresses available on the market, measuring 108 inches wide by 108 inches long. That means that it's nearly nine feet wide and nine feet long! Just be sure that you have enough space in your bedroom to accommodate this massive piece of furniture.
RVs can come equipped with various bed sizes, including full size (54" x 75"), queen size (60" x 80"), king size (76" x 80"), and California king (72" x 84"). Additionally, RVs may often use non-standard sizes like RV Short Queen (60" x 75"), RV Short King (72" x 75"), Full XL (54" x 80"), and RV Bunk (28" x 75") with custom bedding to fit limited spaces.
RV mattress thickness typically ranges from four to eight inches, with low-profile options available for restricted headroom.
When it comes to choosing a mattress, size is an important consideration. After all, you want to make sure you have enough room to comfortably sleep, and you don't want your mattress to be so large that it takes up too much space in your bedroom. But how do you know what size mattress is right for you?
Here are a few things to keep in mind when choosing a mattress size:
For a mattress to fit ideally into a room, its inclusion should not hinder the moveable space and should not make the furniture and other assortments look like they are cramping the spatial freedom of the room. In a nutshell, a new mattress should not make you feel like the room is visually stressful; you don’t want that in a bedroom.
If you have a small bedroom, for instance, it might be best to choose a twin mattress or a full size mattress. If you have a large bedroom, you might want to consider upgrading to a queen or king size mattress.
In many cases, the need to buy a new mattress comes up when a single one just won’t do. Either you have started a new relationship, or your partner is moving in, or maybe you got married recently. All these factors are reason enough to get an upgrade.
For your convenience, here’s a list of Single-Sleeper Mattresses, i.e., only one person can sleep comfortably:
Here’s a list of Double-Sleeper Mattresses, i.e., two people can sleep comfortably:
And here's a list of Double-Sleeper Mattresses that can accommodate adults, children, and pets comfortably:
The Queen and Olympic Queen can also accommodate pets and children but in doing so, the available space will get crammed.
The heavier options, like Queen, King, and California King beds, are difficult to transport. And mattresses don’t do well if they are damaged during transit; in fact, damage can greatly reduce the effectiveness of a mattress. Therefore, it's an important factor to consider whether you live on the ground floor, a storey above ground, or in a high rise.
Whatever your situation is, make sure that you make arrangements to get the mattress delivered and installed in tip-top condition.
If you are too short for a mattress, you may find yourself hanging off the edge. On the other hand, if you are too tall for a mattress, your feet may hang over the edge, or you may have difficulty finding sheets that fit properly. So, your height is also another important factor to consider when choosing the right mattress size.
The best mattress size for taller people is usually a queen or king size, while the best mattress size for shorter people is usually a twin or full size.
Do you have any medical ailments that can benefit from a change of mattress? Time and again, doctors and chiropractors have prescribed the use of a mattress that suits your body weight and the ailment in question. So you need to know precisely whether your body needs a feather-soft mattress that makes a dent as soon as your body touches it or a strong and firm mattress that will relieve aching back pain.
Mattress allergies are also more common than you think. Do yourself a favor, get tested for allergies before buying and definitely know the full constituents of the mattress from the salesperson.
Latex, memory foam, poly foam, cotton, and wool are all materials that are often used in mattresses. A latex mattress is made from naturally obtained rubber sap and is renowned for its responsive, bouncy, and supportive surface. A memory foam mattress is the exact opposite, as it’s made of synthetic foam and provides more cushioning over support.
Besides these all-foam mattresses, there are also hybrid and innerspring mattresses. Hybrid mattresses combine modern spring coils with a thicker layer of foam, while innerspring mattresses combine traditional spring coils with a thinner layer of foam/fabric.
Knowing which mattress material suits your body’s contours and pressure points can go a long way in helping you identify the best mattress.
Budget is a key factor when choosing a mattress, but that doesn't mean you need to spend a fortune. Mattresses vary widely in price, from $200 to $800 for a twin bed, depending on materials and brand. Larger mattresses typically cost more, so opting for a smaller size can save money but might compromise comfort and support.
We recommend considering a long-term investment—choose a mattress that will last 10 years and support your health. Don't sacrifice sleep quality for savings; a high-quality mattress is worth the investment.
So there you have it: our comprehensive guide to mattress sizes and dimensions. Buying a new bed should not be a casual affair because sleep surely isn’t a casual thing. It's as important to research well before buying a mattress as you are informed about the food you eat. Knowing the size of your room and your bed are good places to start when you are thinking about getting a new mattress. There on, think about if you have any medical ailments or allergies, who else will be sleeping with you, material with which the mattress is made, and your budget. Now that you have all these data points, you can make an informed purchase and not regret the decision later on!
Mattress size is measured by its width and length in inches. For example, a standard twin mattress is 38 inches wide and 75 inches long. Different sizes, like twin XL, full, queen, king, and Cal king, offer varying dimensions to suit your needs.
If you're in the market for a new mattress, considering how to measure a mattress is crucial. Knowing these measurements helps you pick the right mattress for your space and comfort. It also ensures your mattress fits properly with your bed frame, pillows, sheets, blankets, and other bedding.
The different sizes of beds and mattresses that are common all across the country include:
—> Twin size mattress (Single mattress) = 38" x 75"
—> Twin XL size mattress = 38" x 80"
—> Full size mattress (Double mattress) = 54" x 75"
—> Queen size mattress = 60" x 80"
—> King size mattress = 76" x 80"
—> California king size mattress = 72" x 84"
Traditionally, the twin mattress was the best mattress for single sleepers. People who are taller than 6 feet will benefit from the twin XL mattress since the twin cannot accommodate tall people. If you are not bothered by budget and space and your top concern is getting a luxury sleep, then invest in a full or queen size mattress.
The best mattress for couples in the United States is a queen, which measures 60 inches by 80 inches. It is versatile and comfortable; whether you are a bachelor or a family person, a queen mattress in your master bedroom will make sleep look even more inviting.
The King and California King mattresses, which are sized at 76 x 80 inches and 72 x 84 inches, respectively, are the best mattresses for small families to sleep comfortably together. For bigger families, the Texas King, Alaskan King, or Family XL oversized mattresses are additional options to choose from.
Queen size mattresses are usually a good choice for guest rooms because they can accommodate couples or single guests comfortably without taking up too much space. But if your guest room is smaller or if you frequently host single guests, a full size or even a twin size mattress might be more appropriate.
The answer is an Alaskan king, which measures 108 inches wide and 108 inches long. These massive mattresses are designed for people who need a lot of space to sleep comfortably.
Two side-by-side twin XL mattresses make a standard king size bed. A king size bed is about 76 inches wide and 80 inches long, and two twin XL mattresses are each about 38 inches wide and 80 inches long.
Yes, a latex mattress is available in every standard US mattress size.
For toddlers: A twin latex mattress or a twin XL latex mattress is ideal for children outgrowing their crib beds.
For teenagers: A full latex mattress is perfect for teenagers to spread out and sleep comfortably.
For couples: A queen latex mattress is spacious enough to accommodate couples on a budget.
For families: A king latex mattress or a California king latex mattress is recommended for families who sleep together.
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Disclaimer: What is said in this article has been referenced from multiple sources and is intended only for educational and informational purposes. Please note that no content in this article is a substitute for professional advice from a qualified doctor or healthcare provider. Always consult an experienced doctor with any concerns you may have regarding a health condition or treatment, and never disregard any medical suggestions or delay in seeking treatment because of something you read here.
