Sleep Health

Published February 19, 2022

8 min

Bunk Bed Mattress Sizes and Dimensions Guide 2023

DreamCloud Editorial Team

Table of contents

Bunk Bed Mattress Sizes ChartTwin Bunk Bed Mattress SizeTwin XL Bunk Bed Mattress SizeFull/Double Bunk Bed Mattress SizeFull XL Bunk Bed Mattress SizeQueen Bunk Bed Mattress SizeKing Bunk Bed Mattress SizeTypes of Bunk BedsHow to Choose the Right Mattress for Bunk Beds?Final WordFrequently Asked Questions

Bunk beds can save space in your small bedrooms because they are lofted beds with one directly over the other. Plus, they can also make sleepovers fun and exciting. However, you end up getting confused when it comes to the perfect bunk bed mattress size. Do bunk beds need special mattresses?No, but your mattress must fit on the bunk bed perfectly. Otherwise, it might pop over the rails or slip and lead to accidents. This blog will take you through the different bunk bed mattress sizes , helping you choose the right mattress for your bunk bed.

Bunk Bed Mattress Sizes Chart

What size is a bunk bed mattress? The answer is it doesn’t have a fixed size. You might think that bunk beds are available only in twin sizes. However, you can get bunk beds in all the standard bed sizes. This chart shows all the standard bunk bed mattress sizes.

Mattress Sizes	Dimensions ( in inches)	Dimensions ( in centimeters)
Twin	38 inches by 75 inches	96 cm by 188 cm approximately
Twin XL	38 inches by 80 inches	96 cm by 203 cm approximately
Full/ Double	54 inches by 75 inches	134 cm by 190 cm approximately
Full XL	54 inches by 80 inches	137 cm by 203 cm approximately
Queen	60 inches by 80 inches	152 cm by 203 cm approximately
King	76 inches by 80 inches	193 cm by 203 cm approximately

Twin Bunk Bed Mattress Size

Twin bunk bed mattresses are 38 inches by 75 inches. They can fit on twin bunk beds.Twin bunk beds are the most common in the market. They are perfect for children, teens, and short adults. These beds don’t have enough space for two people to sleep side by side. However, since they come with two bunks, two sleepers can fit in comfortably.

Twin XL Bunk Bed Mattress Size

Twin XL bunk bed mattresses have the same width as twin beds. However, they are 5 inches longer than standard twin mattresses. Thus, they can accommodate sleepers who are more than 6 feet tall.Twin XL bunk beds are a perfect fit for growing teens because you won't have to change their beds frequently. You can also keep them in your guest room since they can accommodate both tall and short people.

Full/Double Bunk Bed Mattress Size

It is the most comfortable bunk bed mattress size. A full mattress is 54 inches wide and 74 inches tall. So, you will get enough room to spread out while sleeping.Though double mattresses are not fit for two people, they can accommodate two sleepers during emergencies. Most bunk beds have a full mattress on the bottom bunk and a twin mattress on the top bunk.If you are having a sleepover with friends and relatives, a full-size bunk bed might be an excellent option.

Full XL Bunk Bed Mattress Size

Full XL bunk bed mattresses measure 54 inches by 80 inches. Thus, they are 5 inches longer than traditional full mattresses and can accommodate exceptionally tall sleepers.Though these mattresses are longer than traditional full-size mattresses, they are not suitable for two people.

Queen Bunk Bed Mattress Size

A queen bunk bed mattress measures 60 inches by 80 inches. Thus, it is perfect for couples.Generally, the bottom bunk has a queen mattress and the top bunk comes with a twin or twin XL mattress. So, queen bunk beds are a good choice for small families on vacations. They can accommodate everyone in a single bunk bed.

King Bunk Bed Mattress Size

King bunk bed mattresses measure 76 inches by 80 inches. They are the largest bunk bed mattresses available in the market.The bottom bunk comes with a king-size mattress. And the top bunk has a twin mattress. A king mattress can hold a couple along with their child. Thus, king bunk beds are perfect for families on vacation.Check out our mattress size dimensions guide if you want to know more about other mattress sizes.

Types of Bunk Beds

Now that you know the bunk bed mattress dimensions, let us look at the different types of bunk beds.

Standard

Standard bunk bed frames are fit for holding a twin mattress. They feature one bunk directly above the other.Some standard bunk beds have only the upper bunk. Thus, you get a lot of storage space below your bed.

Triple

In triple bunk beds, three beds are stacked on top of each other. Thus, you need a high ceiling to fit a triple bunk bed in your room. Sometimes, the middle bunk may be placed horizontally at a 90 degree angle.

Triple Loft

Triple loft bunk beds have the two top bunks facing each other at a 90- degree angle. And the bottom bunk is situated vertically below them. Thus, you also get some storage space for drawers and shelves.

Shorty

Shorty bunk beds are both shorter and narrower than a standard bunk bed. Thus, they are fit for tiny bedrooms. However, it is difficult for tall sleepers to sleep on them. You can use them in your children’s bedroom.

Trundle

A trundle bunk bed comes with two standard bunk beds. The bottom bunk has a drawer that slides out to form a bed. You can raise this bed to the same height as the bottom bunk.

L-Shaped

An L-shaped bunk bed has two bunks connected to each other at a 90-degree angle, forming an L. The space of the bottom bunk is occupied by drawers and bookshelves. Thus, it is a perfect arrangement in modern-day apartments where there is a space crunch.

Futon

Futon bunk beds have only the top bunk. And in place of the bottom bunk, there is a futon.You can fold up the futon to serve as a couch during the day. It can be a perfect arrangement if you have guests at home.

RV

You will find RV bunk beds inside RVs, campers, and motor homes. They are just like a standard bunk bed. The only difference is that they are built into the vehicles instead of being separate bed frames.

How to Choose the Right Mattress for Bunk Beds?

Now that you know the bunk bed mattress dimensions, you might wonder how to choose the perfect mattress for your bunk bed. Here are some things to consider while buying your mattress.

Weight

Always choose a lightweight mattress for the top bunk. Putting a heavy mattress there will pose a safety risk for both sleepers. It is better to check the weight carrying capacity off your bunk bed before buying the mattress.

Height

Choose a low profile mattress for the top bunk. The ideal bunk bed mattress thickness is around 8 inches. Make sure your mattress is not higher than the guard rails as that can pose a safety risk.

Quiet Mattress

What if the other sleeper tosses and turns a lot while sleeping? The noise will disrupt your sleep. Choosing a foam mattress will ensure there is minimum noise and you will sleep in peace.

Final Word

Now that you know everything about bunk bed mattress size, it’s time to pick up the perfect one for your bunk bed. Choosing the right size mattress will ensure you get sound sleep at night. Disclaimer: This website does not offer medical advice nor professional medical services; rather, it is provided solely for educational, informational, and/or entertainment purposes. Individuals seeking medical advice should consult a licensed physician. The information provided should not be used for diagnosis or treatment of any condition, disease, or injury. When you have a medical condition, you should always talk to licensed doctor or other certified medical professional. You should never delay seeking professional medical advice or treatment based on the contents of this website. Call 911 or immediately go to the nearest emergency room if you think you may have a medical emergency. The contents of this website are provided "as-is", Dreamcloud Sleep and its parent, subsidiaries, affiliates, employees, contributors disclaim any warranty of the information contained herein. Please contact support@dreamcloud.com to report any errors, omissions, misinformation, or abuse.

Frequently Asked Questions

How thick should a bunk bed mattress be? The ideal bunk bed mattress thickness is around 8 inches. It should have a comfort layer at least 2-3 inches thick. And the foundation should be around 6 inches thick to ensure maximum comfort. However, make sure that it’s not too thick as that can prove to be dangerous by leading to accidental falls. How deep should a bunk bed mattress be? The average depth of a bunk bed mattress is around 8 to 9 inches. Deeper beds can be softer. However, it is better to avoid deeper mattresses in the top bunk as it might lead to accidental falls. Can I use a memory foam mattress on a bunk bed? Yes. Memory foam mattresses can be super comfortable on bunk beds. They adjust to the contours of your body, keeping it in perfect alignment. What is the standard bunk bed height? The standard bunk bed height is around 63 inches from the floor to the top bunk. Can adults sleep comfortably in a bunk bed? The bunk bed size determines whether adults can sleep comfortably on them. Full or Queen bunk beds are perfect for adults to sleep on.