Bed Sheet Sizes (Dimensions Guide)

In this bed sheet sizes guide you’ll find the standard sizes of fitted sheet, flat sheet and duvet cover for different bed dimensions.
There are quite a few factors to consider in buying your next bed sheets, but nothing is more integral than having them perfectly fit your mattress.

Having bought new linen sheets with the most luxurious thread count to keep you cool in the summer but them not being able to fit will be frustrating. So luckily, we’re making this list handy for your next sheet shopping or simply having your bed sheets replaced.

Bed Sheet Sizes

Whatever the situation is, this cheat sheet will provide you with the standard mattress sizes and the sheets that would best fit them. 

Beds are usually made by layering a mattress pad over the mattress, fitting a fitted sheet over the mattress pad, laying a flat sheet over the fitted sheet, and finishing it with a duvet or comforter. That’s four layers with the mattress pad and the flat sheets completely optional.

King Size Sheet Dimensions

King size beds are perfect if you sleep beside a partner, a parent for both kids and fur babies, or if you simply want the mattress real estate for a comfortable night’s sleep.

King size mattresses have dimensions of 76 by 80 inches or 193 by 203 centimeters— plenty of space to move around in. 

Fitted sheets are supposed to fit snuggly; thus, fitted sheets that measure 76 by 80 inches or 193 by 203 centimeters— the same as the mattress size, would be a great fit.

A flat sheet to be layered on top of the fitted sheet should have dimensions of 102 by 112 inches, or 259 by 284 centimeters should be utilized.

Duvet covers with a measurement of 96 by 109 inches or 244 by 277 centimeters would be perfect for a king-size mattress. 

There is also the other king-size bed variant in the luxurious California king mattress that has a dimension of 72 by 84 inches or 183 by 213 centimeters.

Fitted sheets for this mattress should be the same as its dimensions, while a flat sheet of 102 by 112 inches or 259 by 284 centimeters would be perfect for this mattress size.

The duvet covers for a California king should be no less than 96 by 109 inches or 244 by 277 centimeters. 

Queen Size Sheet Dimensions

Queen size mattresses are the most common or standard mattress size utilized by many people because of the space it would allow them to move and have a comfortable sleep even with two people in it.

There are different types to a queen-sized bed: the standard 60 by 80 inches one, the half-queen mattress that is 30 by 80 inches usually used for adjustable beds, and the California queen mattress with a size of 60 by 84 inches. A California queen size is traditionally the size of water beds. 

The sheets needed for a standard 60 by 80 inches or 152.5 by 203 centimeters California queen bed are: a fitted sheet of the same 60 by 80 inches size, a flat sheet that would lay on top of the bed of 96 by 102 inches or 244 by 259 centimeters, and a duvet cover of 93 by 96 inches or 236 by 244 centimeters would make for one luxurious bed. 

For half-queen mattresses, fitted sheets should be made to order so the measurements will be a tight fit, while both the flat sheet and duvet cover measurements for a standard 60 by 80 Queen size bed can be used for a half-queen mattress.

For a California queen bed, which is often considered a specialty size, fitted sheets of 60 by 84 inches would fit the mattress snuggly, and both sizes for flat sheets and duvet covers for a standard 60 by 80 Queen size bed would work just as well with this mattress. 

Full-Size Sheet Dimensions

A full-size mattress is perfect for people living in apartments looking for adequate space for sleeping, but still, this mattress would now take up too much floor space.

Sheets for a double bed with a size of 54 by 75 inches or 134.5 by 190.5 centimeters need fitted sheets of the same size, a flat sheet that measures 96 by 102 inches or 244 by 259 centimeters and a duvet cover of 93 by 96 inches or 236 by 244 centimeters. 

Twin Sheet Dimensions

A twin bed would be perfect for kids or the average person individually. They have a dimension of 38 by 75 inches or 96.5 by 190.5 centimeters and need a fitted bed sheet of the same measurements.

Flat sheets for this bed size should be 66 by 96 inches or 168 by 244 centimeters, and a duvet spread of 72 by 96 inches or 182.8 by 244 centimeters is perfect. 

Twin XL Sheet Dimensions

Twin XL mattresses with the size of 38 by 80 inches or 96.5 by 203 centimeters are what you will usually see in college dormitories and tall teenagers’ rooms.

Sheets for this mattress type are fitted sheets of the exact measurement, a flat sheet of 39 by 80 inches or 99 by 203 centimeters that would cover the fitted sheet and a duvet cover of 72 by 96 inches 182.8 by 244 centimeters. 

Flat Sheet Dimensions

Flat sheets are optional and just an upgrade if you are going for more luxurious bedding spread. They are usually the standard for hotels and B&Bs that add a layer of comfort and a decorative element for the bed.

Different sizes are used for different lengths and widths of mattresses, as listed individually above. Still, essentially they have to be thicker and longer enough to be tucked below the weight of the bed. 

How Do You Know What Size Fitted Sheet to Get?

The first thing you need to determine when buying a fitted sheet is the depth of your mattress or the thickness from top to bottom.

A standard mattress usually is 7 to 12 inches thick, and deep mattresses are 13 to 17 inches high, while the more luxurious extra deep mattresses could be 18 to 25 inches high. Knowing the size of your bed will make things easier, as fitted bed sheets usually follow the actual size of your mattress. 

What Size Sheets for Hospital Bed?

Standard hospital beds usually have the standard size for a Twin XL mattress since a single bed will be utilized by a single patient.

A Twin XL is 36 by 80 inches and would need a fitted sheet of that exact size, a flat sheet of 39 by 80 inches or 99 by 203 centimeters that would cover the fitted sheet, and a duvet cover of 72 by 96 inches 182.8 by 244 centimeters. 

What Size Sheets for 2 Twin Beds Are Pushed Together?

Two twin beds will have the added dimensions of 76 in width and a length of 75 inches. Almost the same as a King bed with a size of 76 by 80 inches, so two twin beds pushed together would need for bed sheets that size used for a King bed.

A fitted sheet size of 76 by 80 inches, a flat sheet of 102 by 112 inches, and a duvet cover of 96 by 109 inches. 

You might also want to know about the types of bedsheets if you are planning to go shopping for new sheets.