The Perfect Bunk Bed Dimensions for Every Room

Last Updated on January 22, 2023 by Kimberly Crawford

Do you have a small room and need to find the perfect bunk bed dimensions? Are you not sure what will fit in your space? Don’t worry, we are here to help!

In this blog post, we will discuss the different dimensions of bunk beds and help you find the best one for your room.

We’ll also provide tips on how to choose the right bunk bed for your needs. So, whether you’re looking for a twin over full bunk bed or a triple bunk bed, we’ve got you covered!

Standard Bunk Bed Dimensions.

Typically, the dimensions of a standard bunk bed will vary depending on the type and size of the bed. Twin-sized bunk beds measure 39” wide by 75” long and are typically positioned vertically to provide two separate sleeping areas.

Twin extra long beds measure 39” wide by 80” long and are also typically positioned vertically for two separate sleeping areas. Full-sized bunk beds measure 54” wide by 75” long and are usually configured horizontally to provide one larger sleeping area.

For larger rooms, there are also bunk bed options that include a trundle bed, or two additional smaller beds that fit underneath the main bed. A full-size trundle typically measures 54” wide by 75” long, while a twin-size trundle typically measures 39” wide by 75” long.

Twin bunk bed dimensions.

Twin bunk beds are the most common type of bunk bed. They measure 39 inches wide by 75 inches long and are an ideal size for a child or college student’s bedroom.

Twin over twin bunk beds come in two main mattress sizes – standard twin (39″ x 75″) and XL twin (38″ x 80″). Make sure to check the size of the mattress before purchasing a bunk bed to ensure it will fit properly.

Single bunk bed dimensions.

The single bunk bed, also referred to as the twin-over-twin bunk bed, is made up of two individual beds placed one over the other. This type of bunk bed typically measures around 80”L x 42”W x 65”H and is best suited for rooms with a ceiling height greater than 8 feet.

The beds themselves are typically twin size, measuring around 38”W x 74”L. A standard twin mattress should fit easily onto either of the beds in a single bunk bed without having to worry about any overhang or uncomfortable gaps.

This type of bed is great for smaller rooms and can help to maximize space for siblings sharing a bedroom or daycare centers. It is also a great option for sleepovers or other occasions where extra sleeping space might be needed.

This type of bunk bed can easily be separated into two individual beds if needed, making it a versatile and convenient choice.

Double bunk bed dimensions.

When selecting a double bunk bed for your bedroom, size is an important factor to consider. Double bunk beds come in different sizes and dimensions depending on the material used and model type.

Generally, double bunk beds are 76 inches long by 44 inches wide (193 cm x 111 cm). The height of the top bunk can range from 40 to 65 inches (101 to 165 cm).

The height of the bottom bunk usually measures 32 to 44 inches (81 to 111 cm). This is important to consider when selecting sheets, blanket and comforters that fit your bed.

Full bunk bed dimensions.

A full size bunk bed is 54 inches wide and 75 inches long. The height of a full-sized bunk bed typically ranges from 51 to 65 inches, depending on the mattress size and model of the bed frame chosen.

Usually, the ladder that provides access to the top bunk adds about 28 inches in overall length and depth to the bottom bunk. Full bunk beds can accommodate a standard full-sized mattress measuring 54 by 75 inches.

Built-in bunk bed dimensions.

Bunk bed dimensions vary from manufacturer to manufacturer. Standard bunk beds are typically twin size and measure 39 inches wide by 75 inches long. Full-sized bunk beds are 54 inches wide by 75 inches long.

The height of the top bunk is usually adjustable but generally ranges between 65 and 67 inches high. The distance between the upper and lower bunks should be at least 26 inches to ensure a safe distance for sleeping.

Twin over full bunk bed dimensions.

Twin over full bunk beds are a great way to make the most of your space. They offer two sleeping areas in one bed, with the top twin sized mattress and bottom full-sized mattress. Here are the typical dimensions for this popular style of bunk bed:

The overall width of a twin over full bunk bed is typically between 42″ and 105″. The length of the bed will depend on how much clearance is needed at the end, so this can range from 80″ to 85″. The height of the bunk bed is often between 61″ and 78″, with the lower bunk being closer to the floor.

When shopping for a twin over full bunk bed, it’s important to measure the available space in the room. Make sure that there is enough height for the top bunk, as well as sufficient clearance at the end of the bed so that it does not stick out too far.

Many twin over full bunk beds also come with guardrails and ladders on both sides, which can add to the overall size of the bed.

Triple bunk bed dimensions.

For a triple bunk bed, the width must be at least 84 inches wide. The length typically ranges from 85 to 90 inches long. In addition, each bunk has guardrails for safety and all three bunks should have the same height of 40 or 42 inches.

When considering a triple decker bunk bed it is important to measure the ceiling height as well to ensure that enough space is available for the bed. The height of a triple bunk bed can range from 60 to 72 inches depending on the height of the mattress used.

When shopping for a triple bunk bed mattress, you should consider the thickness and width of each bunk separately. It is recommended to use a minimum 8-inch thick mattress for the top bunk and 10-inch thick mattress for the bottom bunk.

The width of each mattress should be at least 38 inches wide, but a twin XL size of 39 inches is preferred to maximize comfort and safety.

Bunk bed ladder dimensions.

While there is no standard size for bunk bed ladders, most bunk bed ladders are around 10 to 15 inches wide and 20 to 24 inches deep. The height of the ladder is typically a few steps below the top of the mattress so that it can be reached safely.

Also, keep in mind that bunk beds come in various heights and depths, so the ladder dimensions should match your particular bed.

Ikea bunk bed dimensions.

When it comes to Ikea bunk beds, there are two main types: the SVÄRTA and the MYDAL. The SVÄRTA is a more traditional style design, with metal frames and slats. It comes in twin size (76 x 43 inches) or full size (76 x 58 inches).

The MYDAL, however, is a more modern design with wooden frames and slats. It comes in twin size (78 x 41 inches) or full size (78 x 56 inches). If you’re looking for an even larger twin size bunk bed, the STUVA model comes in a 79 x 43 inch dimensions.

Caravan bunk bed dimensions.

Caravan bunk beds are a great way to maximize space in your recreational vehicle or camper. But before you buy one, it is important to know the exact dimensions of the bed and be sure that it will fit inside your RV properly.

The standard bunk bed size for caravans is 75cm by 190cm. This size is suitable for single mattress and will comfortably fit two people. The height of the bed depends on the make and model, as they can range from 100cm to 200cm. Make sure you measure your RV’s interior space to ensure that the bunk bed you buy fits properly.

It is also important to consider how much weight the bunk bed can handle. Most of the standard caravan bunk beds are designed to hold up to 160 kgs, but it is always best to check with the manufacturer before buying.

Futon bunk bed dimensions.

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Futon bunk beds are well-suited for small spaces, as they provide both seating and sleeping space in a relatively compact area. To make sure the bunk bed fits into your space, you should measure the width of the space you plan to place it in.

The futon bunk bed typically measures around 78 inches long by 41 inches wide. Make sure to measure the length and width of the space so that you can choose a futon bunk bed that fits perfectly.

Furthermore, it is important to consider the height of the bed as well. The standard size for a futon bunk bed is about 71 inches tall, but this may vary depending on your needs.

Bunk loft bed dimensions.

Bunk loft beds are a great solution for bedrooms where space is limited. The most common bunk bed dimension is a twin-over-twin configuration, where both mattresses measure 39″ x 75″. This provides enough room for children to sleep comfortably without taking up too much space in the bedroom.

For adults or two children who need more room, a full-over-full bunk bed is the perfect option. The mattresses measure 54″ x 75″, providing plenty of extra space for those who need it.

In addition to twin and full sizes, some bunk loft beds also come in queen and king sizes. A queen-over-queen bunk bed typically has mattress dimensions of 60″ x 80″, while a king-over-king bunk bed has mattress dimensions of 76″ x 80″.

Those who need even more space for sleeping can opt for an oversized bunk bed. These beds are typically designed with two mattresses measuring 42″ x 84″. This provides extra length, making it perfect for tall people or those who just want extra room to stretch out.

Queen bunk bed dimensions.

Queen size bunk beds measure 84 inches in length and 66 inches in width. Queen mattresses are slightly longer, at 80 inches, so make sure you leave a few extra inches for the mattress to fit flush with the edges of the frame.

Additionally, many queen-size bunk beds come with an attached ladder that is typically around 65 inches tall when fully standing.

This should be taken into consideration when measuring the overall height of your bunk bed. The general height for a queen size bunk bed will range from 65 to 72 inches high.

Bunk bed mattress dimensions.

Standard bunk bed mattresses are twin size, measuring 39 inches wide by 75 inches long. Also sometimes referred to as single or standard mattress sizes, these beds are suitable for most children and young adults.

They offer enough room for a comfortable sleep but aren’t always large enough for two adults if they plan on sleeping on the same bunk bed.

For larger adults or two adults sharing a bunk bed, you may want to look into full-size mattresses. These measures 54 inches wide by 75 inches long and offer more sleeping space for two people.

Full size mattresses are also great for growing teens who soon won’t fit on the smaller twin bed mattress.

Another size option for bunk beds is the twin XL. This size measures 38 inches wide by 80 long, just a few inches longer than a standard twin mattress. The additional length provides added comfort and support for taller individuals who need more space in the legs area when sleeping.

How to measure bunk bed dimensions.

Bunk beds are a great option for families with limited space, but it’s important to make sure that the dimensions of the bed will fit into your room. To measure bunk bed dimensions, you’ll need a tape measure and someone to help hold the end as you measure.

Start by measuring from the floor to the top of the mattress support. This is the overall height of the bunk bed. Then, measure from one side of the mattress support to the other. This measurement will give you the width of the bunk bed frame.

Finally, measure from one end of the mattress support to the other end. This is your length measurement for the frame.

When measuring a bunk bed, it’s important to take into consideration the thickness of your mattresses as well as any additional features, such as a trundle bed or storage drawers.

Once you have all of your measurements, make sure to compare them with the manufacturer’s specifications to ensure that the bed will fit properly in your room.


When it comes to choosing the right bunk bed for your home, there are several factors to consider. By taking into consideration your budget, space constraints and style preferences, you can make an informed decision that ensures a good night’s sleep for everyone.

Paying attention to the size of the bed is also important since having the correct measurements in mind can help you make the right selection. Generally, bunk beds come in twin and full sizes with standard dimensions of 39” width x 75” length for a twin bed and 54” width x 75” length for a full size.

To ensure safe sleeping space and to maximize comfort, it is important to pay attention to both the width and length of the bed. If you plan to attach a guardrail, you may also want to account for that in your measurements.

With the right combination of style, size and safety features, a bunk bed can provide an enjoyable sleeping experience for years to come.