Selecting the perfect bed size is an important part of the mattress buying process.
Moreover, different aspects need to be considered before selecting the right bed and mattress size.
For instance, if you have children sharing the bed with you things might work out differently for you when you have a partner or even when you sleep alone or are an active sleeper.
Here, we have come up with a presentation that goes on to list out bed and mattress sizes and dimensions whereby you can figure out what’s the best fit for you when you go out and buy a bed and mattress for having a blissful night’s sleep.
What turns out to be the perfect bed and mattress size for the other might not be suitable for you. So, you need to know the bed and mattress sizes & dimensions that help you to determine what the perfect fit is for you.
When you know bed and mattress size & dimensions, you can easily decide what’s most suitable for you.
For example, Twin size beds are suitable for children and single adults, while Queen Size bed is suitable for couples and sleepers with pets or children.
The guide breaks down each bed and mattress size dimensions to provide full detail and help you decide which the most suitable fit is for you and your space.
Here, we have listed out bed dimensions as well as mattress sizes.
So, let’s explore the different bed and mattress sizes & dimensions.
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Here’s the break up for you:
Twin Size Bed Dimensions
How big is a Twin Size Bed?
A Twin Size Bed Dimensions is 38 inches in width and 75 inches in length.
Twin beds are used in children’s rooms, apartments, or a guest room. They are a great choice if you have small bedrooms or if you require moving out frequently.
Twin size mattress
A Twin Size mattress dimensions come with the size of 38” W x 75” L.
It is the smallest of the adult size mattresses.
A Twin Size mattress is suitable for a single adult, and even for a child who has outgrown the toddler bed. It is ideal for dorm rooms, and even for a small guest bedroom.
It is the smallest size mattress that you can get from the popular online mattress companies. It has the same luxury feel as a larger mattress. It does not cost much and is perfect for sleepers who are tight on budget or space.
Twin XL Size Bed Dimensions
A Twin XL bed or a Twin Extra-Long is 38 inches in width and 80 inches in length.
Typically, Twin XL beds are perfect for taller individuals as they have more leg room and leave adequate walking space around the bed.
They are even ideal for shared adult bedrooms or dorm rooms. Usually, they are suitable for one person.
Twin XL mattress size
A Twin XL size mattress measures 38” W x 80” L.
This mattress has the same width as the traditional Twin; however, it is five (5) inches long. They are typically meant for tall adults who do not have room for a wider bed.
An interesting fact for you is that two Twin XL mattresses make up the dimensions of one King Size mattress. So, you can use two Twin Size mattresses on a King Size Frame.
It is good for sleeping partners who have a different feel or firmness preferences. The separate mattresses allow you to sit up or lie back without disrupting your partner.
When you use 2 Twin XL mattresses on a King Size Frame, you get the opportunity to use individual Twin XL bedding sets or even a single King Size sheet set.
Full-Size Bed Dimensions
What is a Full Bed?
What size is a Full Bed?
What are the dimensions of a full-size bed?
Here, we have provided full-size bed measurements that are dimensions of a full-size bed.
Dimensions of a Full-Size Bed are 54 inches in width and 75 inches in length.
So, with full-size bed dimensions, we come to know that it is 6 inches thinner and 5 inches shorter than a Queen Size Bed.
It is a perfect fit for one adult. Moreover, they can even be used for older children, or for small bedrooms.
Full-Size Mattress Dimensions
A Full-Size mattress measures 54”W x 75” L.
A Full-Size mattress is also referred as a “standard double.”
It is meant for single active sleepers who like to sprawl out and is even suitable for couples who have a small bedroom.
However, a Full-Size mattress turns out to be a tight squeeze for couples who have to share the bed with children or pets.
With a Full-Size mattress, single sleepers get 54” of sleeping space. Sleeping partners get 27” of sleeping space per person that is 11” less than a Twin size mattress.
So, a 6’ tall sleeper would have only 3” of extra space when fully extended on this mattress.
Queen Size Bed Dimensions
How big is a Queen Size bed?
Here, we have listed out Queen Size Bed Dimensions.
A Queen Size Bed is 60 inches in width and 80 inches in length.
The Queen Size Bed is typically meant for tall individuals, couples, and even for single adults who require plenty of sleeping space.
Queen Size Mattress Dimensions
A Queen Size mattress measures 60”W x 80”L.
In fact, the Queen Size mattress is regarded as the most popular mattress size in the USA right now. It is perfectly suitable for single active sleepers, couples, and even for those who share their bed with children or pets.
A Queen mattress is usually recommended for bedrooms having dimensions of at least 10’L x 10’W.
A Queen Size mattress offers single sleepers with 60” of sleeping space. Sleeping partners get 30” of sleeping space per person that is 8” less than a Twin size mattress. Plus, a 6’ tall sleeper would get 8” of extra space when fully extended on this mattress.
King Size Bed Dimensions
How big is a King Size Bed?
Here, we have listed out the King Size Bed Dimensions.
A King Size Bed Measurements is 76 inches in width and 80 inches in length.
A King Size Bed is perfectly suitable for couples who want maximum personal space. It is also suitable for couples who sleep with pets or children.
It is the best option for large bedrooms.
King Size Mattress Dimensions
A King Size mattress measures 76”W x 80”L.
It is extremely comfortable and perfectly suitable for single active sleep and also for couples who share a bed with pets or children.
It is recommended to use a King Size mattress with a bedroom measuring at least 12’W x 12’W.
In fact, a King Size mattress has the same dimension as two Twin XL mattresses.
It offers every single sleeper with 76” of sleeping space.
Sleeping partners get 38” of sleeping space per person which is the same width as a Twin size mattress.
A 6’ tall sleeper would get 8” of extra space when fully extended on this mattress.
Split King Size Bed Dimensions
A Split King Size Bed measures 76 inches in width and 80 inches in length.
In fact, there are two types of Split King Size Beds – A Half Split or Full Split. Either option is suitable for couples who have different preferences of comfort and firmness.
Split King Size Mattress Dimensions
A Split King Size mattress is made up of two identical-sized mattresses having dimensions each of 38”W x 80”L equaling the size of a complete King Size mattress.
It is suitable for sleeping partners who have different sleeping preferences. It allows sleepers to have a mattress that is individually right for them without disrupting the sleep of their partner. It allows sleepers to sit up or lie back without bothering their partner.
However, the obvious drawback of this mattress is that it is not easy to find sheets that fit this style of mattress. Moreover, such sheets are very expensive and hard to get.
California King Size Bed Dimensions
A California King Size Bed is 72 inches in width and 84 inches in length.
So, a California King Bed is four (4) inches longer but slightly narrower than a Standard King Size Bed. It is regarded as the longest bed and can easily accommodate individuals who are taller than six (6) feet.
California King Mattress Dimensions
A California King Size mattress measures 72”W x 84” L.
They are typically meant for sleepers who are very tall or want a little extra length to the mattress. It is extremely spacious and ideal for couples who want to sleep with children or pets.
It is 4” longer in length but 4” narrower than a standard King size mattress.
California King Size mattresses are recommended for bedrooms having dimensions of at least 12’W x 12’L.
With California King Size mattress, single sleepers get to have 72” of sleeping space. Sleeping partners get 36” of sleeping space per person that is 2” less than a Twin size mattress.
A 6’ tall sleeper would get 12” of extra space when fully extended on this mattress.
Split California King Size Bed Dimensions
A Split California King Size Bed is 72 inches in width and 84 inches in length.
It is suitable for couples who want to share a bed without compromising on comfort and firmness.
The Split California King Bed is perfectly suitable for people who are taller than six (6) feet.
Who will sleep in the bed?
Children (depending on age) will be most comfortable with the following mattresses:
- Twin Size Bed
- Twin XL
- Full
Single Adults will be most comfortable with the following mattress sizes:
- Twin XL
- Full
- Queen
- King
Two Adult Sleepers
- Queen
- King
- California King
Two Adult Sleepers & Children
- King
- California King
Sleepers who want to sleep on a mattress with an adjustable frame
- Two Twin XL mattresses
- Split King
- Split California King Size
Summary – Bed & Mattress Dimensions
| Size | Dimension | Optimal for |
| Twin Size | 38″W x 75″L | Toddlers, Children, Single Adults |
| Twin XL Size | 38″W x 80″L | Children, Single Adults (tall) |
| Full Size | 54″W x 75″L | Single Adults with Children or Pets |
| Queen Size | 60″W x 80″L | Couples |
| King Size | 76″W x 80″L | Couples with Children or Pets |
| Split King Size | (2) 38″W x 80″ | Couples (with varying Mattress preferences) |
| California King Size | 72″W x 84″L | Couples with Children or Pets |
That’s all in this presentation. We hope that you are now aware of various bed and mattress sizes & dimensions.
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