How Thick Is A King Size Mattress

Whether yous're remodeling the bedroom or upgrading your mattress, it's helpful to determine the all-time mattress size for your infinite. The number of options in today'south marketplace tin can exist overwhelming. What's the deviation between a full and a queen? How big is a California king? This comprehensive mattress dimension guide answers all of those questions and more.

One time you've learned a little well-nigh today's mattress sizes, we'll aid you choose the best mattress for your home and lifestyle.

Mattress Dimensions Guide

Standard mattress sizes, dimensions, and names vary from land to state. Two mattresses of the same size may fifty-fifty have slight variations by manufacturer. If y'all alive in the U.S., these mattress dimensions are considered standard beyond brands. In general, standard mattress depths range from about 9-13 inches when the high contour is considered.

Retrieve, widths tin can vary between the U.K. and the United States, so check the dimensions before you gild those fancy European sheets online. According to the International Sleep Products Association, most beds are 74 or eighty inches long in the U.S. Meanwhile, the length is typically 75 or 78 inches in the U.K. It seems minimal but makes a big difference when considering the fit of a frame and sheets.

Below, you notice the standard mattress dimensions for the U.S. and Canada forth with helpful data and mutual misconceptions about these mattress sizes. We've also included a handy room guide to know what size bed your room can arrange.

Store Past Mattress Size

Mattress Size Chart

Mattress Size	Dimensions in Inches	Dimensions in Centimeters
Twin	38 inches by 75 inches	96.5 cm by 190.5 cm
Twin XL	38 inches by eighty inches	96.5 cm by 203.ii cm
Full	53 inches by 75 inches	134.6 cm by 190.five cm
Total Twoscore	53 inches by 80 inches	134.half dozen cm past 203.ii cm
Queen	60 inches by 80 inches	152.4 cm past 203.two cm
Rex	76 inches by lxxx inches	193.04 cm by 203.2 cm
California King	72 inches past 84 inches	182.8 cm by 213.3 cm

Full Size Crib Mattress

Crib mattress dimensions: 27.25 inches by 51.25 inches

Minimum recommended room size: 7 by ten feet

Since prophylactic is a top priority for cribs, the size of cribs and mattresses is regulated by the federal government. A full size crib mattress must be at to the lowest degree 27 i/iv inches wide and 51 1/four inches long. The mattress cannot be more than than 6 inches thick.

A crib, of course, won't take upwardly much room. Only it's important to keep in mind most building codes crave a bedroom to measure at least seventy square anxiety, like a vii-by-10-foot room. The ceiling height must also reach 7 feet, 6 inches.

You tin can certainly create a cozy nursery in an attic room or something comparable to fit a crib and a comfy chair. Nonetheless, these smaller rooms won't exist considered bedrooms when it comes to a existent estate list. No matter what, brand sure there is a planned burn escape route if you are squeezing things in tightly.

Twin Size Bed

Twin size bed dimensions: 38 by 75 inches

Minimum recommended room size: 7 past 10 feet

The humble twin size mattress is the smallest of the standard bed sizes. At just 38 past 75 inches long, the twin is considered the minimum size needed for the boilerplate developed to sleep comfortably.

Twin mattresses are non the best option for those over vi anxiety tall. However, since the majority of the earth is under six feet, twin beds piece of work for almost sleepers.

Twin size beds are fantastic for smaller rooms. Higher dorm rooms are the perfect spot for the twin size bed, as are studio apartments. Twins likewise work well for multipurpose invitee rooms or rooms with multiple beds in them. Think kids' rooms or bunk beds.

Twin size beds are likewise a highly convenient option for those who similar to move a lot. Nigh bed sizes take ii people to lift, only twin size beds of but about any cloth are commonly easy for one person to lift and maneuver.

SEE Besides: Twin vs. Total — What's the Difference?

Twin XL Size Bed

Twin XL size bed dimensions: 38 past fourscore inches

Minimum recommended room size: 9 by 10 feet

The twin Twoscore size mattress is the same width as the regular twin. But information technology adds five inches of length for a dimension full of 38 past 80 inches. This makes the twin Xl as long equally the queen and king size mattresses.

The twin XL mattress is all the same a compact bed that fits in but about all the spaces that a regular twin tin can fit into. Just the twin 40 is long enough to accommodate about people, no matter their tiptop.

That means the twin Twoscore needs a longer room than the twin. Keep in listen that the general rule is you need two feet of space around three sides of your bed. Since the twin XL is over 6.5 feet long, you'll need 10 feet of length to accommodate it. More if y'all program on using sleeping room furniture.

Don't let that deter you, though. The twin Forty can nevertheless fit right into the aforementioned places a regular twin tin can. That includes studio apartments, multipurpose guest rooms, and bunk beds.

Full Size Bed

Full size bed dimensions: 54 by 75 inches

Minimum recommended room size: 9 by ten feet

The full size mattress (also called the double bed) is 54 by 75 inches. That makes information technology perfect for sleepers nether six feet tall who similar to have a little extra wiggle room to toss and plow.

Contrary to pop belief, the full size bed is not the best bed for couples. The name "double bed" might lead y'all to believe this bed can accommodate 2 sleepers. Merely in reality, the double bed just offers each of two sleepers the same amount of sleeping surface equally a baby's crib. That's not exactly comfortable for ii adults.

This means the full size mattress is a better fit for single adult sleepers who want more width to spread out simply don't have the room for the longer queen bed.

Simply like the twin bed, the dimensions of a total mattress tin comfortably accommodate the numerical majority of sleepers. But it isn't a great fit for those over six feet tall.

See ALSO: Twin vs. Full vs. Queen: What'south The Divergence?

Queen Size Bed

Queen size bed dimensions: sixty by 80 inches

Minimum recommended room size: ten past 10 feet

The queen size mattress is the well-nigh popular bed size on the market—and with proficient reason. The 60 by 80-inch queen fits in just almost any room and can adjust only virtually any sleeper. At 80 inches long, the queen tin can comfortably sleep people of almost any pinnacle. And at sixty inches wide, it can offer virtually couples enough width to sleep comfortably.

The queen size bed can also fit in just about any bedroom. Dissimilar king and California male monarch beds, queens can go in guest rooms and smaller master bedrooms.

Queens are too the cheapest bed size that can adapt couples. Cal kings and kings will cost you lot a pretty penny. Only quality queens can go for equally little as a few hundred dollars.

SEE Too: King Vs. Queen Mattress — What'southward the Divergence?

Rex Size Bed

King size bed dimensions: 76 by 80 inches

Minimum recommended room size: 12 by 12 feet

Rex size mattresses are 76 by fourscore inches. They come in at a absurd 6,080 square inches, making them the largest standard bed size by full surface surface area.

These beds were literally designed with couples in listen. King size beds are the same size every bit 2 twin Twoscore beds put together. That means they offer the same sleeping width every bit a twin and the same length equally a queen. And so they're perfect for couples and taller sleepers alike.

King size beds might be designed for two sleepers, only that doesn't make them for everyone. If you have a smaller bedroom, kings may non exist for you.

Technically, you could stuff a rex into a room equally small as ten by 9 anxiety. However, if yous want comfortable jerk room and space for piece of furniture, information technology'southward meliorate to have a bedroom of x by 12 or 12 past 12 anxiety.

Run into ALSO: King vs. Separate Rex — What's the Divergence?

California Rex Size Bed

California king size bed dimensions: 72 past 84 inches

Minimum recommended room size: 12 by 12 feet

The California king bed was originally designed for the huge bedrooms found in opulent mansions in Southern California. These 72 past 84-inch beds fill out even the largest master bedrooms.

The California male monarch does need a large bedchamber. It's a total 7 feet long by half-dozen anxiety wide. That means these beds will only fit in a room of at to the lowest degree 10 by 12 feet. A room this size volition accommodate a California king size mattress and some bedchamber furniture, though a 12 by 12-foot room is best for a Cal king.

California kings aren't only for huge bedrooms. At 84 inches long, they're besides dandy for sleepers well over half-dozen feet tall. If you're 6 pes 4 inches or more, California kings may only exist the simply standard mattress size on which y'all tin actually slumber comfortably.

So couples or even single sleepers who need an actress-long bed or a bed that tin fill up out their huge master bedrooms should consider a California king.

Meet Likewise: Male monarch vs. California Rex: What's the Difference?

Quick Room-Size Guide

Below, we've listed the standard mattress sizes and the minimum bedroom size needed to fit each bed.

Mattress Size	Recommended Room Size (feet)	Recommended Room Size (cm)
Crib	7 human foot by ten foot	213.3 cm by 304.8 cm
Twin	7 human foot by 10 foot	213.3 cm by 304.eight cm
Twin XL	7 foot by ten human foot	213.three cm by 304.viii cm
Full	nine foot by x foot	274.32 cm by 304.8 cm
Queen	ten foot past 10 foot	304.8 cm by 304.eight cm
King	x foot by 12 foot	304.eight cm by 365.seven cm
California King	ten pes by 12 pes	304.viii cm by 365.7 cm

Antique Beds and Irregular Mattress Sizes

If your home is filled with antiques and vintage finds, you may desire an antique bed to fit your decor. The next challenge is to source an appropriate mattress.

Many antique beds were about iii-quarters of the width of today'due south total sized mattress. These smaller beds are ofttimes called three-quarter beds for this reason today. They are virtually 48 inches wide compared to 54 inches for today's double mattress.

Many vintage beds are the aforementioned length as today's full mattress at 75 inches. That said, variations based on time flow and maker are common. Older antique beds might be much shorter.

Other irregular bed sizes include a Texas or athletic king (seventy by 82 inches), California queen waterbed (60 by 84 inches), and California male monarch waterbed (72 past 84 inches).

Thankfully, there are many mattress companies that specialize in custom orders for irregular or antique beds. Measure the interior dimensions of the bed frame you'll employ, then phone call mattress companies for their quotes.

Y'all can likewise convert your vintage bed to piece of work with a full mattress, merely only attempt this if you are handy and have some time and guidance.

Aside from antique beds, there are irregular mattress sizes, similar RV mattress sizes that are shorter and more compact to identify less stress on a camper.

How to Choose a Mattress Size

There are several factors to determining the best bed size for you. Questions to inquire yourself include how much room space a bed can have up and where the room is located, how many people volition utilise the bed, and how much you can upkeep on a mattress.

How Big is the Room?

The first consideration is practical — your room size. You'll need to make sure your bed volition actually fit in the space. Measure the width of each wall, and consider the other furniture you'll need to conform. If you are happy with a long and brusque side of the bed against the walls, y'all can fit a larger mattress.

Many people prefer to have space on either side of the bed, as it's generally considered more aesthetically appealing. Mensurate any nightstands you plan to place there, and leave enough space to fit them comfortably on either side of the bed. Don't forget your door volition take upward space as information technology swings open.

Where is the Bedroom?

This is not the nearly important consideration when shopping for mattresses, simply it's still worth considering. If your room is on the 2nd floor or higher, you'll take to recollect nearly how y'all'll send a larger mattress upwardly to your chamber. Choosing a king mattress in a box can make it easier to carry up a flight of stairs.

How Many Sleepers?

In one case y'all've determined what will fit into your room, think nearly your lifestyle. Single sleepers might be happy with a double bed or even a twin. If multiple children sleep in ane room, consider mattresses for bunk beds.

For those who share a mattress, y'all'll likely want a queen size bed. If you have infinite for a larger mattress for couples in a master bedroom, you might sleep more comfortably in a king bed. Recall about how luxurious it is to spend the night in a roomy hotel bed.

If you lot're tall, y'all might want the extra length and legroom of a California king size. The California king is nevertheless broad enough to accommodate two sleepers, though it is narrower than a traditional king.

How Much To Spend?

The last attribute to consider is your budget. Naturally, larger mattresses cost more. A king size mattress is more expensive than a queen or a double, and a California king is fifty-fifty pricier. Twin or twin XL sizes are common choices when shopping budget mattresses.

You might want to spend more on your primary sleeping infinite, since you lot volition be using it every dark and comfort is height priority. You tin relieve on mattress in your invitee room or similarly with a smaller mattress.

The blazon of mattress you're interested in volition also touch your budget. For example, hybrid and latex mattresses generally cost more than memory foam and traditional innerspring mattresses. Then it may worth considering what else your platonic mattress has as yous put together a upkeep.

Saving Money on All Mattress Sizes

Agreement when and where to practice your mattress shopping can help y'all salvage significantly on the well-nigh comfortable mattress for your needs.

Know the Best Places to Store

At that place are so many shops where you can buy a mattress, from mattress showrooms to furniture stores and fifty-fifty select section stores. What is the best place to buy a mattress, then?

A meaning way to save money on whatsoever size is by looking at online mattresses. Not only is it more convenient to browse mattress options online, merely the prices are oftentimes lower than what you would find in a more traditional mattress store.

Online mattresses are also typically post order mattresses, so the bed volition transport directly to your front door. In other words, y'all don't have to leave your house to choose or choice up a mattress.

Come across Also: The Best Place to Buy a Mattress & 7 In-Store Myths

Know the All-time Times To Store

Another way to save money is past shopping for mattresses when they get on sale. The primary mattress sales throughout the year are:

Presidents Day Mattress Sales
Memorial Twenty-four hours Mattress Sales
fourth of July Mattress Sales
Labor Solar day Mattress Sales
Columbus Day Mattress Sales
Black Friday Mattress Sales
Cyber Monday Mattress Sales

By taking advantage of the best times to buy a mattress, you tin can snag even a luxurious king or Cal male monarch mattress at an affordable price.

FAQs

What is the best bed size for couples?

The best bed size for couples depends on what yous demand out of your bed. If you need a smaller, more affordable bed that you tin can both enjoy, a queen might be for you. If yous need a long bed to accommodate an extra-tall partner, you may need a California male monarch.

Those who need the standard corporeality of sleeping infinite for adults probably need a regular king. The standard king is too the size you need to plan for if you want to do a carve up king using two twin Xl mattresses.

Which mattress sizes make a split rex?

Two twin XL mattresses in the same standard king size mattress frame make a split king. Carve up kings are fantastic for a number of reasons. These beds let couples to choose their firmness level and mattress fabric while however sleeping in the aforementioned bed. Split kings also allow you to utilize different adaptable base settings.

How big of a room do I demand for a king size bed?

King size beds are almost a perfect square. They're over 6 anxiety wide and more than 6 feet long. That ways you need a room that'southward at to the lowest degree 10 feet broad and 9 anxiety long. Withal, a male monarch size bed will be stuffed pretty tight in a room that size, even though it volition technically fit. Kings are improve off in a 12 by 12-human foot room to requite yous plenty of clearance and infinite for furniture.

Can I use box springs under a California king bed?

Yous can use box springs nether whatsoever size bed as long as it's an innerspring mattress. Box springs were designed for lighter-weight innerspring beds. So yous tin can use a box spring fix that corresponds to the size of your innerspring mattress, whatsoever size it is.

Yet, box springs will not work with any other mattress type, regardless of size. All-foam and hybrid mattresses are merely too heavy for box springs. They'll overcompress and intermission them.

What is the all-time bed size for tall sleepers?

That depends. If you're 6 anxiety tall or just over, you lot should be able to sleep on any bed that'southward fourscore+ inches long. That means twin XLs, queens, and kings will all work only fine.

If you're several inches over six anxiety tall, you may have to go a California king. These 84-inch beds might exist the merely ones long enough to accommodate you lot.

Residuum Easy With a New Mattress

Knowing popular mattress sizes can put standard dimensions into context. Once you accept an idea of what your sleeping space can adjust, recall about the best mattress for your lifestyle.

A single person may want to relieve money and choose a smaller bed. Meanwhile, those sharing a mattress might prefer the actress space afforded past a queen or king. Tall people may need an extra-long bed.

Consider your lifestyle and budget before researching mattresses on the market. Sweet dreams and feel free to refer back to this mattress size guide as needed.