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Article: What Size Is a Twin XL Fitted Sheet?

what size is a twin xl fitted sheet

What Size Is a Twin XL Fitted Sheet?

Twin XL fitted sheets have become increasingly popular in recent years, offering good value and extra convenience when furnishing a dorm room or small bedroom. Thanks to their unique design, they provide a snug fit on twin XL mattresses without bunching or slipping. They're ideal for tall sleepers or those who need a little extra legroom.

So, let’s discuss the ideal size of twin XL bed sheets. By the end, we hope you’ll have a better understanding of how to buy the right size sheet for your needs.

What this article covers:

How Long Is a Twin XL Sheet?

The typical twin XL fitted sheet dimensions are 39" wide by 80" long. This size is designed to fit a standard twin XL mattress, which typically measures 38” wide and 80” long. These dimensions ensure a snug and secure fit around the mattress' corners and edges. Also, they provide optimal coverage for the bed.

dimensions of twin xl sheets

When measuring for a new bed sheet, make sure to take into account the additional depth of the mattress as well. A standard twin XL mattress is usually 8” deep, but some variations can be up to 10 or 12 inches thick. This means that you will need to buy a slightly larger sheet in order to accommodate the extra depth.

One of the overarching questions most people ask is, "What size sheets fit two twin beds put together?” Well, according to our research, it’s best to buy two separate twin XL sheets if possible. The reason for this is that the standard dimensions of a twin XL fitted sheet aren’t wide enough to cover both mattresses at once. Buying two individual ones ensures a proper fit on each bed and secure coverage all around.

 twin extra long sheets measurements

What's the Difference Between Twin and Twin XL?

Twin and Twin XL are two terms that are often used interchangeably, but they actually have completely different measurements. Twin bed sheets are usually 39 inches wide and 75 inches long. Twin XL bed sheets, on the other hand, measure 38 inches wide and 80 inches long. The extra five inches of length make a huge difference in terms of comfort for taller sleepers.

 measurements of twin xl sheets

Will a Twin XL Sheet Fit on a Twin Mattress?

A Twin XL sheet may not fit well on a standard Twin mattress due to the added length. Using a Twin XL sheet on a shorter Twin mattress can result in excess fabric or an ill-fitted appearance. We highly recommend that you purchase the correct-sized sheets for your specific mattress to achieve the best aesthetics and functionality.

What Are the Advantages of a Twin XL vs Twin Sheet? 

The primary advantage of a Twin XL sheet is the additional length it provides, catering to taller individuals or those who prefer more space to stretch while sleeping. Additionally, twin XL sheets tend to be more versatile, as they can be used on adjustable beds. You can also find the best twin XL sheets for split king beds.

 how long are extra long twin sheets

For those looking for the best twin XL sheets for adjustable beds, it’s important to remember that the adjustable bed frames have slightly different measurements than a standard twin XL mattress. Therefore, we recommend you double-check the measurements of your adjustable bed frame before making your purchase. 


In summary, understanding the twin XL sheet size is essential to finding the ideal bedding solution for your space. By accurately measuring your mattress, you can make an informed decision on the best-fitted sheet for you. Remember the importance of proper care and maintenance for your fitted sheet to ensure longevity and ongoing comfort. Happy shopping!

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