Updated at: 15-12-2021 - By: Jane Brody

When shopping for a new mattress, are you unclear of what size to purchase? Size matters when it comes to mattresses. Choosing a mattress that fits your sleeping habits and space is essential.

Choosing between a twin and full mattress can be difficult, but you should know that the primary distinction is in the width. 75 inches is the length of a twin mattress, however it is 15 inches wider than a regular full-sized mattress. Our guide will explain the difference between a twin and a full mattress, as well as provide you advice on how to pick the right one for your needs.

All of our new twin-sized mattresses feature several cooling foam layers. Your package will arrive on your doorstep within days of the order being placed.

Twin vs. Full Dimensions

A mattress’ width is what mostly distinguishes a twin mattress from a big mattress. Compared to a twin, a full-size mattress is 15 inches longer. Use our comparison table and our step-by-by-step guide below to see how the two stack up. In this article, we’ll go over the differences between twin, full, and full XL mattresses, as well as twin XL mattresses.

Twin (Standard)

Dimensions: 38” x 75”
Surface area: 2,850 square inches

There is no smaller mattress size available on the market compared to a conventional twin mattress. A twin mattress has a surface area of 2,850 square inches and measures 38 inches broad by 75 inches long. It’s ideal for children, bunk beds, and small sleeping areas because it’s small and compact.

Twin XL

Dimensions: 38” x 80”
Surface area: 3,040 square inches

Mattresses with dimensions of 38 inches wide by 80 inches long, with a surface area of 3,040 square inches, are known as “twin XL.” Five inches longer and nearly 6% larger than a twin bed, it’s ideal for taller teenagers or adults who live in cramped apartments. Compared to queen and king-sized mattresses, the width of twin XL mattresses is significantly less.

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Full (Standard)

Dimensions: 53” x 75”
Surface area: 3,975 square inches

Although twin XL mattresses are 15 inches wider than full mattresses, they are only 5 inches shorter. At 3,975 square feet, the surface area of a full mattress is 30 percent larger than that of a twin XL (53 inches wide by 74 inches long). If you’re just out of college and looking for a mattress, this is a terrific option.

Full XL

Dimensions: 53” x 80”
Surface area: 4,240 square inches

Despite its five-inch length, a full XL is the same width as a conventional full and the same height. Full XL mattresses are typically 53 inches broad and 80 inches long, with a surface area of 4,240 square inches, which is 6% larger than a conventional full. There are many people who feel the regular full size to be too small for them.

When It’s Good to Use Them

Twin

These come in handy when a youngster is moving from a crib to a “big kid’s bed” and needs a little extra space. In the majority of cases, this option is also applied to bunk beds. In terms of space-saving, they are the smallest mattress you can buy.

Compared to other mattresses, they are easier to move due of their size and weight, which makes it easier to rotate or flip your mattress (which many manufactures recommend to extend the life of your mattress).

Students at college dormitories and hostels may frequently see XL mattresses due to the fact that they are both compact and long enough for adults to sleep on comfortably. Because two XLs pushed together are the size of a conventional king, they’re ideal for couples looking for an adjustable bed frame.

Full

There are 15 extra inches of side-to-side space in this size, making it suitable for solitary adults. There is a little over 26 inches of space for each person on this mattress, but it would be a tight fit. Consider this if your master bedroom is particularly small.

These are perfect for guest rooms because they can be used by both children and adults, making them versatile. A growing number of parents are foregoing the twin size altogether in favor of this one, which allows their children to grow into young adults with the same amount of sleeping space.

In most spaces, this is a good size, and it will certainly offer plenty of room for additional furniture. In addition to bedding, you’ll be hard-pressed to locate any accessories that don’t come in this size.

Other Differences Between Full and Twin Mattresses

There are a number of other elements that may influence your decision, including price, room size, accessories, and specific usage, in addition to measurements.

Price

According on the brand, the material, the type of mattress, and the size, a mattress’s price might vary greatly. Twin mattresses are typically less expensive than full mattresses since they are smaller. As a rule of thumb, larger mattresses are more expensive.

Here’s the pricing difference between our Casper Original Mattress and the closest competitor’s:

  • Twin: $695
  • Twin XL: $795
  • Full: $995

The cost of a hybrid mattress is a little higher because of the materials it is constructed from. Check out our Original Hybrid Mattress’s price difference:

  • Twin: $995
  • Twin XL: $1,095
  • Full: $1,295

If you’re on a limited budget, it’s worth noting that the price difference is negligible.

Accessories

You’ll also want to think about what additional items you’ll need for your mattress size. Fortunately, sheets and bedding that suit both twin and full mattresses may be easily purchased, but the cost will vary.

The cost of bedding, pillows, and other items will vary according on the brand, material, and size.

Because of their smaller size, twin sheet sets tend to be less expensive than full sheet sets. With a twin-sized bed, you’ll also need less pillows depending on your sleeping style. Twin-sized beds normally only require one pillow, although a full-sized bed can accommodate two pillows.

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Room Size

In terms of room size, twin mattresses are the obvious choice for smaller bedrooms. Full-size mattresses, on the other hand, take up less space than either a twin or a full mattress.

For small spaces like kids’ rooms or studio apartments, twin beds are ideal. Because they are a bit longer, twin XL mattresses are commonly seen in dorm rooms and studio flats, where they are ideal for college students and young people.

Full-sized mattresses are ideal for most rooms, but they’re especially useful in studio apartments, student dorms, and master bedrooms with limited space. In guest rooms, they’re ideal because they may be used by both children and adults, making them versatile. If you have a 10×10 or 10×12 room, a full mattress will fit well. As a result, you’ll have more area for bedroom furniture and accents.

Uses

Using a twin-sized mattress as a transition from a crib to a “big kid’s bed” is a terrific idea for children. There are no better beds for two youngsters than twins. Bunk beds benefit from their use as well. You may want to consider converting to a full-sized bed when your children reach the teen years.

Because of the additional breadth on either side, full mattresses are perfect for solitary sleepers. A full-sized bed provides 27 inches of space for each person who sleeps in it. If you are concerned about having enough room for two people, a full may be too tiny.

The Pros and Cons of a Twin Bed

Twin beds, sometimes known as single beds, are the most common mattress choice for children who have outgrown their cribs. If you have a kid’s or a guest room, these are fantastic space savers.

Pros

  • Moving is simple.
  • Cheaper than a queen-sized bed.
  • Suitable for children and toddlers of all ages.
  • It is suitable for bunk beds.

Cons

  • Neither teenagers nor adults will fit.
  • In a few years, they may be outgrown by children.
  • Not as flexible as a full-size mattress.

Twin beds are less expensive and easier to carry than full mattresses because of their smaller size. They may not last long if your child experiences a growth spurt.

The Pros and Cons of a Full Bed

If you’re a single person, a double bed, or a full bed, is the best option for saving room. Full mattresses, which are the same length as conventional twin mattresses, are ideal for dorm rooms, guest rooms, and tiny flats because of their additional width.

Pros

  • Fits teenagers and young adults with a height of at least 6 feet.
  • Allows for more space.
  • It’s easy to find additional accessories for.
  • Suitable for guest rooms and studio apartments with a limited square footage.

Cons

  • Twins are more expensive.
  • Couples may not be able to fit comfortably.
  • It’s more difficult to move about now.

Due to the fact that a twin mattress is 15 inches wider than a full mattress, it costs more and is more difficult to move. Because of its larger dimensions, however, this style of bed is perfect for both children and young people who live in smaller homes.

Should You Get a Twin or Full Bed?

For a new mattress, think about who will be using it and where you intend to put it.

You should choose a standard twin mattress if:

  • You’re shopping for your child’s first “big kid bed” now that they’ve outgrown their crib.
  • In your kid’s room, you’d want to install a bunk bed.
  • You’re on the hunt for the cheapest mattress possible.

You should choose a twin XL mattress if:

  • The extra length is needed because your youngster is too tall for a twin.
  • You’re a bachelor in a one-bedroom condo.
  • For a hostel, you’re looking for a place to sleep.

You should choose a full mattress if:

  • Moving to a new location after graduating college is a big change for you.
  • For the first time in your life, you’re a single adult who is able to care for yourself.
  • You need a mattress that will grow with your child.

You should choose a full XL mattress if:

  • You enjoy cuddling and sharing a bed with another person.
  • You require more leg room than can be accommodated on a standard twin mattress.
  • King or queen-sized mattresses aren’t an option due to a lack of available room.

The fun begins when you know the exact dimensions of the mattress you require. Memory foam, latex, a hybrid mattress, and more are all available options. Comfortable bedding, comforters and pillows are also essential.

Looking to see how our mattress stacks up against the competition? To learn more about the differences between memory foam vs. spring, latex vs. memory foam, king vs. California King, and full vs. queen mattresses, please refer to our comparative guides

FAQs

What is the difference between a full and a twin bed?

While the length of a twin and a full bed are identical, the full size mattress has an additional 16 inches of breadth. Full-size mattresses are excellent for teenagers, college students, and alone sleepers because they are larger than twin-sized beds.

Is a twin big enough for two?

Even though a twin bed is ideal for single adults because it measures 38 inches wide by 75 inches long, it is too little for two people to share. In order for two individuals to sleep comfortably, the room’s modest size would be insufficient.

Is there a bed bigger than a twin but smaller than a full?

A twin XL mattress could be a good option for those who need a mattress that is both little and large. For taller people, a Twin XL mattress provides an additional 5 inches of length, making it ideal for those who need a mattress that is both wide and long.

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Is a Twin or Full Size Mattress Right for You?

Consider the person who will be sleeping in the bed when deciding between a twin and a full size mattress. As a child transitions from a crib to a twin or full-sized bed, twin or full-sized beds are ideal. Both sizes are excellent for single sleepers, regardless of their age, whether they’re children, teenagers, college students, or adults.

Are these sizes good for toddlers and kids?

Both are suitable for toddlers and children. When it comes to toddlers, a full would be too big, but if you want something that you can grow into for years, it’s a terrific alternative.

What are the dimensions in centimeters?

There are 190.5 millimeters between the width and length of a conventional twin bed. XLs are 203.2 centimeters long and the same breadth.

At 190.5 centimeters long, the length of a standard full is 134.62 cm (5.7 inches). XLs have a width of 134.62 centimeters and a length of 203.2 centimeters.

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