What Is an Alaskan King Bed? – Sizes, Dimensions & Comparison

Have you ever felt the need for an oversized mattress? The exact oversized bed requirement depends on your necessity. Many sleepers find oversized mattresses unnecessary, while for others, big mattresses are necessary because the beds accommodate co-sleeping families. 

There are a few different oversized bed options, but the biggest is the Alaskan king. Our detailed guide will help you understand Alaskan King Beds, their sizes, dimensions, and comparison with other popular bed types.

What Is an Alaskan King Bed?

Alaska King Bed got its name from the largest state in America; Alaska. It is much bigger than a regular-sized king bed and a California size king bed. In the next sections, we answer all questions about Alaskan king-size beds and whether you should get one. 

How Big Is Alaskan King Bed Mattress?

The Alaskan King Bed Mattress measures 9 feet by  9 feet (or 108 inches by 108 inches). As far as oversized mattresses are concerned, Alaskan King is the biggest mattress size available.

Benefits of Alaskan King Bed

The Alaskan king bed frame comes up with a lot of benefits because of its size. Let’s understand the most significant benefits of the Alaskan King Bed.

Comfortable for the Whole Family

Imagine a dedicated place for your family to hang out, whether it be gossip, Storytime, movie nights, or playing with your pets. Alaskan king bed dimensions allow enough space for everyone in a large family to feel at home.

More Space for Couples

The extra-large size of Alaskan King naturally allows more space for two adults sleeping together. It is perfect for couples who move a lot at night and don’t like motion transfer.

Comfortable for Pets

Alaskan King allows you to spend time with your beloved pet without any space issues. Even with multiple pets, the Alaskan King Bed enables you to share the bed with pets. You can enjoy a night of sound sleep with your pets without bothering about the safety and comfort of your beloved friends.

Things to Consider When Buying an Alaskan King Bed

By now, you may have understood the benefits of the Alaskan King Bed and must be thinking of buying one. However, there are a few things you must consider before buying one: 

1. Accessibility

Alaskan King Bed is ideal for bedrooms that are at least 16 feet by 16 feet. Buying an Alaskan King for a shorter room can block space and make it challenging to move around the bedroom.

2. Mattress Type

You must consider the type of mattress before buying an Alaskan King Bed. There is a sea of options available when purchasing the mattress, whether memory foam or latex foam. Memory foam mattresses are known for their responsiveness to the sleeper, while latex foam is an environmentally friendly option. 

3. Bed Frame

The most important consideration is the bed frame you will be using for your Alaskan King bed. You will need someone to make a custom foundation for it. It is better to plan a bed frame before buying an Alaskan King Bed to avoid awkward fitting.

4. Budget

While Buying an Alaskan King Bed, you will also have to invest in an Alaskan King-sized bed frame, box spring, and cover set. As Alaskan King Beds are not available everywhere, their bedding essentials are rare and require you to spend heavy bucks to get bedding essentials.

Other Giant Mattress Options

There are a few more giant mattresses available in the market. These include Wyoming King bed, Texas King Bed, California King Size Bed, and Double King Bed. 

Giant Mattresses Comparison Chart

The Comparison chart below helps you understand the differences between Wyoming King bed, Texas King Bed, and Alaskan King Beds.

Wyoming KingTexas KingAlaska King
Width (inches)84″80″108″
Length (inches)84″98″108″
Width (cm)213.36203.2274.32
Length (cm)213.36248.92274.32
Required Room Size (feet)12′ x 12′12′ x 14′16′ x 16′

Alaskan King – Pros and Cons

The dimensions of Alaskan King are 108 inches wide by 108 inches long.


  • Ideal for people who love sleeping with their family and pets 
  • Ideal for tall adults 
  • Luxurious lifestyle
  • More spacious for couples and pet-friendly people


  • Requires a spacious room 
  • Very Expensive

Wyoming King – Pros and Cons

The dimensions of Wyoming King Mattress are 84 inches wide by 84 inches long. This mattress size is also known as an emperor-size bed, similar to a Wyoming King Bed.


  • Excellent for couples who sleep with 1 or 2 kids
  • Suitable for tall sleepers 
  • Can fit in standard room sizes


  • Expensive compared to traditional sized mattresses
  • It cannot accommodate a large family

Texas King – Pros and Cons

They are the second-largest oversized mattress. The Texas king mattress is 80 inches wide by 98 inches long.


  • Can accommodate tall sleepers
  • Good for short bedrooms
  • Comfortable for small families


  • It cannot accommodate families with more than two children
  • Of all the oversized mattresses, these are the narrowest

Check out our Mattress Size Buying Guide for detailed information on What mattress size you should buy.

Other Giant Bed Sizes

Let us understand the comparison of other giant bed sizes with Alaskan King Size Bed.

Alaskan King Bed vs California King Bed 

Here is a quick guide to the Alaskan King bed comparison with California King.

ParametersCalifornia King BedAlaskan King Bed
Size (Inches)84″ x 72″108″ x 108″
FeaturesDesigned for top-quality sleep
Can fit in any bedroom size
It is the largest mattress size available in the market and can accommodate any large family size for co-sleeping purposes
ProsFits perfectly in a 12 ft. by 10 ft. room
Less expensive as compared to an Alaskan king
Good for tall sleepers who look for limited space
Can easily accommodate large family sizes in a single bed
More spacious for couples, and pet-friendly people
Ideal for tall sleepers who look for more space
ConsCannot accommodate large family sizes on a single bed
Difficult to move at times
Requires a large spaced room
Most expensive oversized bed

Alaskan King Bed vs Double King Bed

ParametersDouble King BedAlaskan King Bed
Size (Inches)75″ x 54″108″ x 108″
FeaturesIdeal for single sleepers
Can fit in any small size room as well
It is the biggest bed size available in the market and can accommodate any large family size for co-sleeping purposes
ProsFits in any room
Much affordable than other oversized beds
Easily available in the market
Bedding accessories are cheaper than other beds
Can easily accommodate large family sizes in a single bed
More spacious for couples, and pet-friendly people
Ideal for tall sleepers who look for more space
ConsNot Ideal for tall sleepers
Not even spacious for couples forget about families
Requires a large spaced room
Most expensive oversized bed

The Final Word

Very few people consider Oversized beds as their first choice. But, If you have a large family or you are taller, then buying an oversized bed might be the perfect idea for you. However, you must consider factors such as room space, budget, and availability before buying your next Alaskan King Bed.

Happy Sleeping!


How much does an Alaskan king bed cost?

The cost of an Alaskan bed depends on the quality of the mattress you buy. Usually, the mattress costs between $1500 to $7500.

What are standard bed dimensions?

The six standard bed dimensions are as follows.

  • Twin: 39 x 75 inches
  • Twin XL: 39 x 80 inches
  • Full/Double: 54 x 75 inches
  • Queen: 60 x 80 inches
  • King: 76 x 80 inches
  • California King: 72 x 84 inches

What is the biggest bed size?

The Alaskan king is the biggest bed size available. It is 108 inches by 108 inches.

What's the difference between an Alaskan king bed and a California king bed?

The main difference between Alaskan king and California king bed is the size. The Alaskan King bed size is 24 inches long and 36 inches wider than the California king bed.