Bed Size Fact Sheet

Bed Size Fact Sheet
Your bed should be a welcome, comforting retreat when it is time to get quality sleep. If you are having trouble sleeping, it might be time to rethink the size of your bed. Depending on changes in lifestyle and sleeping preferences, you might need a different bed size to make your shuteye the best it can be. Whether you will be upgrading from a twin to a full or you need a larger bed that offers sharing space, learn the facts about every bed size out there.

Bed Size Fact Sheet

Bed Sizes

King Beds

Traditional king-size beds measure 76 inches wide by 80 inches long. California king-size beds measure 72 inches wide by 84 inches long. Sharing a king-size bed with another person affords one the same room as sleeping alone in a twin-size bed.

Queen Beds

Queen-size beds measure 60 inches wide by 80 inches long. Olympic and California queen-size beds are sometimes difficult to find, it is even more difficult to find linens for them. The Olympic queen measures 66 inches by 80 inches, and the California queen measures 60 inches by 84 inches.

Full Beds

The dimensions of full-size beds are 54 inches wide by 75 inches long. They are sometimes called double beds. Before king and queen sizes existed, most couples slept on full-size beds. These beds are ideal for pre-teens or teens who are shorter than 65 inches

Twin Beds

Standard twin beds, also known as singles, hold mattresses that measure 39 inches wide by 75 inches long. Extra-long twins are 5 inches longer. Small children will fit this size of bed perfectly, but twin beds can accommodate adults, as well.

Toddler Beds

Toddler beds hold mattresses that are the same size as crib mattresses, give or take about one-half an inch. They usually measure 27 inches wide by 52 inches long. The small size makes it easy to place waterproof pads or sheets on top of them, which will come in handy if your toddler is working on potty training.

Bunk Beds

Bunk beds come in two configurations: twin-over-twin or twin-over-full size. If you have multiple children, bunk beds may be the ideal sleeping arrangement for them. Though 165 pounds is a standard weight limit for bunk beds, it is best to check the manufacturer’s guidelines prior to purchase.

Bed Sizes At-a-Glance:

Bed Size Dimensions
California King 72-in x 84-in
King 76-in x 80-in
California Queen 60-in x 84-in
Olympic Queen 66-in x 80-in
Queen 60-in x 80-in
Full/Double 54-in x 75-in
Twin 39-in x 75-in
Twin XL 39-in x 80-in
Toddler 27-in x 52-in

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Overstock TeamFred EnzelErnieSCRachele LundSean McAleavy Recent comment authors

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Sean McAleavy
Sean McAleavy

You left out a bed size. A Full XL is a size that is fairly common. even sells this size mattress so I don’t know why it was not included in the list. So, for anybody who is wondering, a full XL measures 54″X 80″. So that makes it just 6 inches narrower than a Queen and may be just what you are looking for if you have a dog or two that likes to sleep up on the bed.

Rachele Lund
Rachele Lund

I live in a dorm room by myself, if I was going to push two twin sized beds together what size sheets should I get?

Overstock Team

Hi Rachele!
Two twin beds pushed together creates a bed with roughly the same width as a king, but it’s not going to be exact. This means that a king-size fitted sheet may not fit properly. It would work best to use two sets of twin fitted sheets with a king-size flat sheet and comforter.


I need a mattress for a Murphy Type Bed. The Inside Railing measures 74 1/2″ X 54 1/2″. Is a full size REALLY 75″ – or will it fit in the 74 1/2″ Rail Inset?

Overstock Team

Hi Ernie!
Murphy beds don’t typically require a custom mattress size, so if it’s supposed to be a full, then you can rest assured a full mattress will fit just fine. That 1/2 inch difference might mean a snug fit, but that can help prevent movement when your bed is in the storage position.

Fred Enzel
Fred Enzel

I am looking for sheets to fit bunk bed mattresses that are sized 30×75 and am having difficulty finding them. Oftimes 30 inch fitted sheets are only 72 inches long. Is there a fitted set made for the mattresses I have? They are in a murphy bunk bed configuration.

Overstock Team

Hi Fred!

It sounds like you need the kind of sheets typically used in RV bunks. They typically measure 30 in by 75 in. Unfortunately, we don’t carry sheets in that custom size. Try doing a Google search for “30 x 75 sheets” to get a better idea of your options. Sorry for the inconvenience. Hope you find what you’re looking for!