A Twin and Twin XL bed might seem nearly identical — they only differ in length by 5 inches. However, there are factors to consider that can help you decide which option is a better fit for your room and lifestyle. Read on as we break down the differences to help you make an informed decision.
Twin vs. Twin XL: A Quick Comparison
For a quick glance at the differences between a Twin and Twin XL, check out the comparison chart below:
| Criteria | Twin Mattress | Twin XL Mattress |
| Size | 38" x 75" | 38" x 80" |
| Best For | Children, smaller bedrooms, bunk beds | Taller children, college students, creating a split king bed |
| Price | $300 – $600 | $400 – $700 |
| Ideal Room | Children’s bedrooms, smaller bedrooms, guest rooms | Children’s bedrooms, smaller bedrooms, college dormitories |
| Pros | More affordable, easy to find accessories | Comfortably fits taller sleepers |
| Cons | Too small for couples and taller sleepers | Too small for couples, more expensive than a Twin |
Twin-Size Bed
The Twin-size bed (sometimes referred to as a Single bed) is the next logical step for children who have outgrown their cribs. It's also a great option for smaller spaces like guest rooms and bunk beds.
Dimensions
- Width: 38"
- Length: 75"
Pros
- Affordable option for those on a budget.
- Perfect for children moving from cribs to their first beds.
- Fits easily in small bedrooms and tight spaces.
- Compatible with traditional bunk beds.
Cons
- Too small for couples to share.
- Too short for taller sleepers.
- Might be too compact for some adults.
Twin XL Bed
The Twin XL is essentially a Twin with an added 5 inches in length, making it 80 inches long — the same length as a Queen or King mattress. This extra length makes it a good choice for taller children or college students.
Dimensions
- Width: 38"
- Length: 80"
Pros
- Perfect for taller individuals, providing more legroom.
- Can be combined with another Twin XL mattress to create a King-sized bed.
- Fits comfortably in smaller rooms with the extra length.
Cons
- More expensive than a regular Twin.
- Still too narrow for couples.
- Some may prefer a wider bed for more comfort.
You Might Choose a Twin If…
- You’re buying for a child – A Twin-sized bed is often the next step for children transitioning from a crib. It provides a comfortable space for kids without taking up too much room. For more child-friendly options, check out our best mattresses for kids.
- You’re trying to save money – The Twin mattress is typically less expensive than the Twin XL, and when you factor in the price of accessories (bed frame, mattress protector, sheets, duvet), the savings can really add up. If you don’t need the extra length, the Twin may be the more budget-friendly choice.
You Might Choose a Twin XL If…
- You’re sleeping alone – Although the Twin XL is just as long as a Queen, it’s narrower (38" wide), making it ideal for single adults who need the extra length but don’t mind a more compact sleeping surface.
- You need the extra length – The Twin XL is especially popular in college dorms and hostels. It fits better in smaller spaces while providing the added length needed for taller individuals.
- You want a King-size bed – Two Twin XL mattresses placed together make up a King-sized bed. In some cases, this can be a more affordable way to create a King mattress by buying two Twin XL frames or mattresses.
Things to Consider
Before purchasing either size, take time to measure your space and plan ahead to make sure your mattress fits your needs.
- Measure your space and leave room for movement – Though the difference between Twin and Twin XL is just 5 inches in length, that can impact the layout of a smaller room. It’s recommended that you leave at least 30 inches of space around the bed for easy movement, according to Th!ngz Contemporary Living.
- Shop around during Back-To-School sales – Many mattress retailers offer sales during certain times of the year. If you’re on a budget, consider waiting for sales like Labor Day weekend, Presidents' Day, Memorial Day, or Martin Luther King Jr. Day for better deals.
Overall Summary
The primary deciding factor between a Twin and a Twin XL is the additional length and the slight price increase for the Twin XL. If you don’t need the extra 5 inches, or if space is tight, a Twin will be a more affordable option. However, if you need more room for taller sleepers or need to create a King-sized bed, the Twin XL might be a better choice for you.
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