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Wyoming King vs. Alaskan King vs. Texas King: What’s the Difference?

When it comes to mattresses, size matters. And if you're looking for extra space to spread out and get a good night's sleep, the Wyoming king, Alaskan king, and Texas king mattresses might just be...

When it comes to mattresses, size matters. And if you're looking for extra space to spread out and get a good night's sleep, the Wyoming king, Alaskan king, and Texas king mattresses might just be the perfect fit for you. But what exactly sets these oversized mattresses apart from one another? Let's dive in and explore the differences.

Oversized Mattress Dimensions

First things first, let's take a look at the dimensions of these three king-sized mattresses:

Mattress Type Width (Inches) Length (Inches) Recommended Room Size (Feet) Mattress Shape
Wyoming King 84 inches 84 inches 12 feet by 12 feet Square
Texas King 80 inches 98 inches 12 feet by 14 feet Rectangle
Alaskan King 108 inches 108 inches 16 feet by 16 feet Square

As you can see, each mattress has its own unique dimensions, offering different widths and lengths to suit your needs.

Different Oversized Mattress Sizes

The Wyoming king, Alaskan king, and Texas king are the three main players in the oversized mattress segment. However, it's important to note that these larger mattresses aren't as readily available in brick and mortar stores or online. You'll need to have a spacious master bedroom to comfortably accommodate these beds.

Wyoming King

The Wyoming king is the smallest of the oversized mattresses. It measures 84 inches by 84 inches, making it as long as a California king size mattress but 12 inches wider. If you have a large family or enjoy sharing the bed with your children, the extra width of a Wyoming king can come in handy, allowing for a more comfortable and spacious sleeping experience. This mattress is 8 inches wider and 4 inches longer than a standard king size bed.

Wyoming King Mattress Wyoming King Mattress

Average Price: $1500-$3000


  • Spacious for large couples.
  • Can accommodate a child for comfortable co-sleeping.


  • Small for large families who want to co-sleep with more than two children.
  • More expensive than the largest standard-sized beds.

Alaskan King

As the largest state in the USA, it's no wonder that Alaska lends its name to the largest oversized mattress. The Alaskan king measures a whopping 108 inches by 108 inches, providing ample space for you and your entire family to sprawl out comfortably. This square-shaped mattress is 24 inches longer than a California king, making it perfect for accommodating very tall sleepers. With an Alaskan king, there's no risk of dangling feet while changing sleeping positions.

Alaskan King Mattress Alaskan King Mattress

Average Price: $2500-$5000


  • Comfortable for large families co-sleeping with more than two children.
  • Ideal for very tall sleepers.
  • Convenient for couples with different sleep schedules.


  • Requires a large room to accommodate the largest oversized mattress.
  • Most expensive option in the oversized mattress segment.

Texas King

Texas, the second-largest state in the USA, lends its name to the Texas king, the second-largest in terms of mattress size. Measuring 80 inches by 98 inches, the Texas king is actually narrower than the Wyoming king. However, it makes up for this by offering an extra 14 inches in length. This rectangular-shaped bed is a good option for tall sleepers who don't have large rooms to accommodate an Alaskan king.

Average Price: $2000 - $3500


  • Perfect for tall families who don't have rooms large enough for an Alaskan king.
  • Offers a huge sleeping area without being as expensive as an Alaskan king.


  • Narrowest of the oversized mattresses.
  • May be uncomfortable for large families who want to co-sleep with children.

Differences Between the Oversized Mattresses

These oversized mattresses, also known as family beds, are perfect for co-sleeping and offer plenty of space for everyone to get a good night's sleep. When deciding on the size of your mattress, consider the number of family members, their physical build, and the available space in your bedroom. It's important to leave at least 2 feet of space on all three sides of the bed for optimal comfort.

Where Can You Buy Oversized Mattresses

Finding an oversized mattress can be a bit more challenging than finding a standard-sized one. While they're not easily available in all mattress stores, there are online options and boutique bedding brands that specialize in custom-made oversized mattresses. These companies can work with you to create a mattress tailored to your specific needs, including the type of mattress material you prefer, such as latex, memory foam, innerspring, or hybrid.

Where to Find Foundations and Bedding Accessories for Oversized Mattresses

One common challenge with oversized mattresses is finding compatible bedding accessories and foundations. While some companies that manufacture these mattresses also offer compatible foundations, bed frames, and bedding accessories, others may require custom-made options. Alternatively, you can simply place your oversized mattress directly on the floor. When it comes to sheets, you may need to have them tailor-made to fit your mattress perfectly. When purchasing a comforter or duvet, remember the 12-16 rule: the comforter or duvet should be 16 inches wider and 12 inches longer than your oversized mattress to ensure proper coverage.


In conclusion, if you're in need of extra sleeping space, oversized mattresses like the Wyoming king, Alaskan king, and Texas king are excellent options to consider. They provide plenty of room for couples, families, and individuals who desire a more spacious sleeping surface. Whether you prefer the narrower but longer Texas king, the square-shaped Alaskan king, or the compact Wyoming king, there's a perfect oversized mattress out there for you. So go ahead, get cozy, and enjoy a night of comfortable sleep in style!