image of person sitting on top of full size bed

Full Size Bed Dimensions Guide

Do you live by yourself, or are you squeezed into a tiny apartment with your partner? Does your growing child need a new bed? These are all situations that favor a full size bed, a popular pick among solo sleepers, couples who live in small spaces, and growing children since a full bed is roomier than a twin size bed yet doesn’t take up as much space as a queen size bed.

Here’s how to determine if a full bed (a.k.a. a double bed) is right for you, from full bed dimensions to design considerations to keep in mind.

Full size bed dimensions

Full bed dimensions ride that line between not too big and not too small. Full size beds measure 54 x 75 inches. This is shorter and narrower than a queen bed, which measures 60 x 80 inches.

full size bed dimensions - mattress size infographic

Benefits of a full size bed

If you’re thinking through full size bed dimensions to determine whether this size is a viable option, weigh these benefits:

  • Full size beds offer an ideal situation for solo sleepers. If you live by yourself, a full size bed will provide ample room.
  • This mattress size is a natural fit in downsized spaces. Those who live in apartments or who have small bedrooms will find that a full size bed is a good option. A full size bed can fit comfortably into a bedroom that’s at minimum 10 feet by 10 feet.
  • Full size beds are a great option for children. Prudence Bailey, founder and principal designer of Prudence Home + Design in Connecticut, speaks from her first-hand design experience, saying, “We use full size beds a lot when designing kids’ rooms since it’s a bed that they won’t outgrow until they leave home.”
  • They’re also usually less expensive than their larger counterparts and easier to transport than bigger mattresses.

Our Best Full Size Mattress for Children

Saatva Youth

This dual-sided innerspring mattress provides optimal support and comfort to children of all ages. Simply flip it over from the 3+ side to the 8+ side when your child is ready.


Drawbacks of a full size bed

As you make your pros and cons list, you’ll need to contemplate these points when considering full size bed measurements:

  • They don’t provide adequate space for most couples. In a full size bed, each person will only have 27 inches of space for themselves. “Size is the biggest downside, as most adults will find it too small to share,” says Bailey. That said, if you’re not physically large and don’t mind snuggling, it could be just fine. “If they are a cuddling couple, this is the size for them,” says Bailey.
  • Since they’re not especially long, full size beds aren’t a great option for tall folks. A full size bed is just barely over 6 feet in length, so you’re looking at feet hanging over the edge of the bed if you’re a few inches over 6 feet tall. Taller individuals will be better suited to a queen, or if you have the space, king size mattress.

Design considerations for a full size bed

“The biggest consideration is who is sleeping in it, how often, and does it suit the room?” says Bailey. “A full bed is more nimble in small room situations, and since it’s a little wider than a twin, you can run it along a wall length with a great headboard and it can serve two purposes: a bed or a sofa for lounging with friends—this is especially great in teen bedrooms.”

If you have a small bedroom with a full size bed, you may want to avoid nightstands because they take up serious real estate. A platform bed can incorporate storage, so that may be something to consider. Getting creative with wall shelving can also help maximize your space.

Looking for a Full Size Mattress? Here’s What Saatva Offers

Saatva Classic

Our flagship luxury mattress is expertly engineered with coil-on-coil construction for durability, a layer of memory foam for enhanced back support, and a cushiony Euro pillow top for extra comfort.


Loom & Leaf Memory Foam

Premium memory foam, handcrafted in the U.S. with eco-friendly materials. Breathable organic cotton, cooling spinal gel, and layers of high-density support foam assure a cool, comfortable night’s sleep.


Zenhaven Latex Mattress

100% Talalay latex responds to every curve for pressure-free support and responsive comfort. Talalay latex is supple, resilient, and durable, for the ultimate in elevated sleep. (It’s naturally hypoallergenic too.)


Full size bed foundation

Lastly, you’ll need to think through the foundation. In general, full size mattresses can be paired with several foundation types—just be sure to double-check with the manufacturer to see what your mattress is compatible with.

  • A traditional box spring foundation historically contained actual springs in a wood box, but today, it’s more of a fabric-covered or exposed wood frame that supports the mattress and creates a comfortable height for your bed.
  • An adjustable base allows you to raise and lower your head and feet, making for maximum customization and comfort. (Here are the top health benefits of an adjustable base.)
  • A platform bed is a modern option meant to be used without a foundation since the mattress rests directly on the platform.

Is your bedroom lacking in space? Follow these design tips to make a small bedroom look larger.