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The Ultimate Floor Mattress Size Guide

From the Puffy Editorial Team | 3 min read.
The Ultimate Floor Mattress Size Guide

Sleeping close to the earth may evoke nostalgia or usher you into a new realm of minimalism. But wait, what size should your floor mattress be? In the labyrinth of mattress sizes, choosing the right dimensions can become a Herculean task. Fear not, our ultimate floor mattress size guide is here to rescue you.

Table of Contents

Why Floor Mattresses Are Gaining Popularity

Before diving into the dimensions, let’s talk about why floor mattresses are even a thing. They’re versatile, convenient for small spaces, and often cheaper than traditional mattresses. Plus, some people swear they provide a better night’s sleep. Now that we’ve covered the basics, let’s get into the nitty-gritty of sizes.

Full Size Floor Mattress

Dimensions and Who It’s For

A full-size floor mattress usually measures around 54 x 74 inches. This is an excellent choice for single adults who like a bit of extra room, or for a cozy couple who don’t mind snuggling all night.

Pro Tips

Before buying a full-size floor mattress, measure your room to ensure there’s adequate space for movement. Remember, floor mattresses also need room to breathe.

King Size Floor Mattress

A Bed Fit for a King… Literally!

King size floor mattresses typically measure 76 x 80 inches. If you’re someone who likes to sprawl like royalty, or if you’re sharing the bed, this is the go-to size for maximum comfort.

Think Before You Buy

King size means ample space but also means it will eat up a lot of your room’s square footage. Make sure you have enough room to accommodate this beast.

Queen Size Floor Mattress

A Balance of Comfort and Space

Queen size mattresses are 60 x 80 inches, offering a middle ground between the full and king sizes. This size is ideal for couples who want to sleep comfortably but have limited space.

Room Dynamics

While a queen size floor mattress offers more room to stretch, it’s essential to consider the room’s other elements, like furniture and doorways, for efficient use of space.

Twin Size Floor Mattress

The Minimalist’s Dream

Twin size floor mattresses are usually around 39 x 75 inches, perfect for single sleepers and ideal for children or adults with limited living space.

Versatility for the Win

A twin size floor mattress can easily be folded or rolled, making it the most versatile option for temporary or portable sleeping arrangements.

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

Other Size Variations

Twin XL

Just a bit longer than the twin, the Twin XL is ideal for taller individuals.

California King

Even longer than the standard king, this one is for those who really want to stretch out.

How to Measure Your Space for a Floor Mattress

Before clicking that “buy” button, arm yourself with a measuring tape and chalk. Sketch out the dimensions on your floor to get a real-world sense of the size.

Tips for Picking the Right Size

Consider Room Functionality

Besides sleeping, what else do you do in your room? Make sure you have enough space for other activities.

Think Long-Term

Are you planning on moving soon? Will your family grow? Keep future scenarios in mind.


Size matters when it comes to choosing the right floor mattress. From twin to California king, each size offers unique benefits and drawbacks. Measure your room, consider your sleeping habits, and think long-term.

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.

Your perfect floor mattress is out there; you just need to know where - and how - to look. Armed with this guide, you’re now ready to make an educated choice. Sweet dreams!

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