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Full Size vs Twin XL: The Ultimate Mattress Size Showdown

From the Puffy Editorial Team | 2 min read.
Full Size vs Twin XL: The Ultimate Mattress Size Showdown

When it comes to mattress sizes, the plethora of choices might seem overwhelming. Among the most commonly compared are Full Size and Twin XL. Which offers more space? Which is more budget-friendly? Let’s delve deep into the debate and emerge with clarity.

Twin XL vs Full Size: A Quick Overview

Before we jump into the intricacies, here’s a snapshot:

  • Twin XL: This is an extended version of the regular twin mattress, offering extra length for those taller sleepers.
  • Full Size: Also known as a double mattress, it’s wider than the Twin XL, ideal for single adults or growing teenagers.

Delving into Dimensions: Exact Measurements

To better grasp the difference:

  • Twin XL:
    • Width: Approximately 38 inches
    • Length: Approximately 80 inches
  • Full Size:
    • Width: Approximately 54 inches
    • Length: Approximately 75 inches

Room Space Considerations

Your room’s size plays a pivotal role:

  • Twin XL: Ideal for narrower spaces, especially elongated rooms. Perfect for dorm rooms, guest rooms, or multi-use rooms.
  • Full Size: Requires more width. Suitable for broader rooms and can even accommodate couples if needed.

Ideal Use Cases: Which Is Best for Whom?

Determining the best fit:

  1. Twin XL:

    • Taller individuals, especially teenagers.
    • College dorm rooms.
    • Guest rooms with limited width.
  2. Full Size:

    • Single adults who desire more width.
    • Teenagers who need room to grow.
    • Couples who don’t mind a snug fit.

Price Point Differences

Budget can be a decisive factor:

  • Twin XL: Generally, the Twin XL can be less expensive than its full-sized counterpart, but prices vary based on the brand and material.
  • Full Size: Might come at a slightly higher price due to the extra width and material.

Check out Puffy mattress reviews from real customers and see how we compare with other brands.

Pros and Cons: Weighing Your Options

To further elucidate:

Twin XL:


  1. Suitable for taller individuals.
  2. Fits easily into narrow rooms.
  3. Often more budget-friendly.


  1. Not ideal for those who move a lot in sleep.
  2. Might feel restrictive in width for some.

Full Size:


  1. Provides ample width.
  2. Can accommodate two people if needed.
  3. Gives a sense of spaciousness.


  1. Might not fit easily in all room sizes.
  2. Can be pricier.

FAQs: Commonly Asked Queries

  1. Can a Twin XL fit two people? It’s designed for single sleepers, especially taller individuals. It might be a tight fit for two.
  2. Is a Full Size suitable for couples? While possible, it offers a snug fit. Those desiring more space might consider Queen or King sizes.


The decision between Full Size and Twin XL boils down to individual needs, room size, and budget constraints. While both offer their unique advantages, understanding their distinctions aids in making an informed choice.

Use our store locator to find the closest furniture or mattress store near you and feel the cloudlike comfort of our Puffy Mattress in person.

Remember, a mattress is a long-term investment in your comfort and health. Choose wisely, sleep soundly!

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