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The Comprehensive Guide to 3/4 Mattress Size

From the Puffy Editorial Team | 4 min read.
The Comprehensive Guide to 3/4 Mattress Size

When it comes to mattresses, we often hear about King, Queen, and Full sizes. But what about the elusive 3/4 mattress size? Far less common yet incredibly versatile, this mattress size deserves its moment in the spotlight.

Read on for everything you need to know about the 3/4 mattress size, from dimensions to where to buy one. Let’s dig in.

What is a 3/4 Mattress?

Imagine you’re navigating the landscape of sleep solutions and stumble upon the term 3/4 mattress size. You might think, “Is that a typo?” But it’s not; it’s a mattress size that occupies a unique niche in the market.

  • It’s not a twin, but it’s not a full-size either.
  • Ideal for single sleepers who want more room but have limited space.
  • Sometimes used in antique beds or custom-made frames.

While major mattress companies like Puffy don't offer the 3/4 size, their customizability and array of other mattress dimensions can be a worthy alternative if you're struggling to find the exact size you need.

3/4 Mattress Dimensions

Now that we know what a 3/4 mattress is, let’s dive into its dimensions:

  • Width: Typically between 48 and 52 inches
  • Length: Usually around 75 inches
  • Depth: Varies by model and preference

It’s essential to measure your space and frame to ensure that a 3/4 mattress will fit.

How Big is a 3/4 Mattress?

The size of a 3/4 mattress might not sound significant, but it can make a difference in your sleeping experience. Here are some insights into its size:

  • Larger than a Twin: Offers approximately 12-16 more inches in width.
  • Smaller than a Full: About 3-7 inches less in width.

The extra width allows for more room to move, beneficial for restless sleepers or those who sleep with pets.

How Wide is a 3/4 Mattress?

The width of a 3/4 mattress generally hovers between 48 and 52 inches. While this may not sound dramatically different from a Twin or Full, those extra inches can be a game-changer.

  • Sufficient for one adult: Provides enough space for comfortable sleep.
  • Too snug for couples: Not ideal for two adults sharing the bed.

3/4 Mattress Size Chart

Mattress Type Width (inches) Length (inches) Ideal For
Twin 38 75 One child/adult
3/4 Mattress 48-52 75 One adult
Full 54 75 One adult/couples

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

Where to Buy a 3/4 Mattress

Finding a 3/4 mattress can be challenging as they’re less commonly stocked. Here’s where you can look:

  • Specialized Retailers: Focus on stores that offer a range of unique mattress sizes.
  • Online Stores: Some online vendors specialize in less common sizes.

Although Puffy does not offer a 3/4 mattress size, they do provide a range of customizable options in standard sizes, which might help you find a close alternative to the 3/4 mattress you're considering.

The Verdict: Is a 3/4 Mattress Right for You?

Determining whether a 3/4 mattress size is ideal for you hinges on several factors:

  • Space: Do you have limited room but still want more space than a Twin offers?
  • Sleep Habits: Are you a single sleeper, or do you share the bed with pets?
  • Bed Frame: Do you have a custom or antique bed frame that needs a special size?

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.


In closing, the 3/4 mattress size serves a particular niche in the market. It offers a middle-ground solution for those looking for something between a Twin and a Full-size mattress. If you find yourself in this category, a 3/4 mattress might just be the missing piece in your sleep puzzle.

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