Mattress Sizes

Whether it’s your first time buying a mattress, or it’s been awhile since you bought your last one, choosing a new mattress can be a big decision. You don’t want to spend a large chunk of change only to realize you didn’t make the right choice. Before you start to worry, we’re here to help.

We’ll break down all the mattress size terminology in this guide so you can choose the best mattress size for you, whether you’re sleeping alone or with a loved one (human or animal), or whether you like to cozy up or sprawl out.

1 Ashley furniture Store

Ashley furniture Store

Shop Ashley Furniture HomeStore online for great prices, stylish furnishings and home decor. Free shipping on many items! Ashley Furniture Mattress. Mattress Discover how each layer of our Hybrid and Memory Foam Mattress adds up to a better ...
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2 Leesa Mattress

Leesa Mattress

"The Leesa mattress is a foam mattress that’s designed to offer ideal comfort for all sleeping positions, but it’s especially great for side sleepers because of the … Bed In A Box​ The Leesa mattress provides a Medium-Firm feel and is ...
9.7
3 Lucid Mattress

Lucid Mattress

Lucid’s mattresses are designed to increase airflow within the mattress. This helps keep dust mites and mildew away while keeping you dry and cool while sleeping. The mattresses are shipped directly to the customer and are easy to set up by simply ...
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4 Sleep Innovations

Sleep Innovations

Why Sleep Innovations? Innovation. All of our products are created by us. We are continuously exploring new ways to advance comfort for everyone. Experience. We care about the science of sleep. Our bedding is specifically designed to keep you ...
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5 Tuft and Needle Mattress

Tuft and Needle Mattress

Tuft & Needle started a revolution by turning the focus to the customer with always-honest pricing, an insistence on high-quality products, and excellent customer service. Shop Mattress Tuft And Needle Original ...
9.6
6 Linenspa Mattress

Linenspa Mattress

 Linenspa Mattress Construction These are hybrid mattresses, constructed with both foam and springs. Shop affordable memory foam, innerspring, latex, and hybrid mattresses. With thousands of 4+ star reviews and a 10-year warranty, we guarantee the ...
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7 Beautyrest Mattress

Beautyrest Mattress

The Beautyrest® Black and Hybrid mattresses are now exclusively available with free White Glove Delivery, because true comfort is hand delivered. Beautyrest Mattresses Luxurious sleep, no matter which Beautyrest ...
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8 Casper Mattress

Casper Mattress

Shop all of Casper's luxurious beds, memory foam mattresses, and hybrid mattresses online. Find the perfect size and get free shipping and returns, plus a 100-night trial!Shop all of Casper's luxurious beds, memory foam mattresses, and hybrid ...
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Twin Mattress

Twin Mattress Dimensions: 38” x 75”

The twin mattress size is the smallest mattress size that can accommodate young children and most adults comfortably.

Great for… children, single adults, anyone with a small living situation such as a studio apartment or shared room.

Not so great for… couples, taller adult men and women, anyone who likes to spread out when they sleep. Keep in mind that 75 inches translates to 6 foot 3.

Twin XL Mattress

Twin XL Mattress Dimensions: 38” x 80”

The twin XL mattress is the mattress you’re most likely to spot in college dorm rooms. It fits in smaller living spaces while providing extra length for taller adults or teenagers.

Great for… taller adults or teenagers in a small living situation such as a studio apartment or shared room.

Full/Double Mattress

Full/Double Mattress Dimensions: 54” x 75”

The full mattress (also known as a double mattress) provides a little over a foot more width to the bed than twin or twin XL mattresses. It used to be the standard size for couples several decades ago when homes were built smaller, but now is more commonly used for individual adults or children who can afford to have the extra space to spread out.

Great for… individual children or adults sleeping alone or with a pet, couples who like to cozy up without pets.

Queen Mattress

Queen Mattress Dimensions: 60” x 80”

The queen mattress is the most popular mattress size sold today. It provides the extra length for taller adults, and the extra width so couples can still snuggle up but enjoy their personal space to stretch a bit, too.

Great for… adults living on their own who prefer to spread out or sleep with their pets, couples who like to sleep near each other without pets, smaller master bedrooms.

Not so great for… couples where both people like to really spread out or who wish to sleep with their pets.

King Mattress

King Mattress Dimensions: 76” x 80”

The king mattress is the same size as two twin beds side by side. This offers couples ample room to spread out, or to sleep with a large pet or children. For couples who require different support or prefer different mattress types, you can order two different twin mattresses to fit the king bed frame.

Great for… couples who like to spread out, couples who like to sleep with large pets or children, larger master bedrooms (ideally 12 x 10 square feet).

Not so great for… couples with smaller master bedrooms.

California King Mattress

California King Mattress Dimensions: 72” x 84”

The California king mattress is the longest mattress size out there (unless you order a custom mattress, of course)! This is the couple-size version of the twin XL mattress – it provides extra inches for taller adults.

Great for… taller couples who like to spread out, couples who like to sleep with multiple large pets or children, larger master bedrooms.

Not so great for… couples with smaller master bedrooms.

Crib Mattress

Crib Mattress Dimensions: 28” x 52”

Crib mattresses are designed for – you guessed it – cribs for newborns and babies. These are designed for crib frames and will last until your child meets one of the following conditions: is about 18 months old, reaches 3 feet in height, or begins escaping their crib. Search for as firm a mattress as possible. Young infants aren’t able to maneuver themselves so if the mattress is too soft and their face sinks in, they are at increased risk of SIDS or suffocation.

Great for… children up to 18 months old or less than 3 feet in height.

Toddler Mattress

oddler Mattress Dimensions: 28” x 52”

Toddler mattresses are typically the same size as a crib mattress. What’s different is that toddler mattresses are slightly softer, and are placed in toddler bed frames versus cribs. Parents can opt to buy detachable safety rails to protect the child from falling out. Some parents skip the toddler mattress altogether and move straight to a twin mattress after the crib.

Great for… toddlers or small children.

Not so great for… everyone else.

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