California King Vs. Alaskan King Mattress Sizes

Written by Zulekha Nishad

Last Updated June 13, 2024

You're on a quest for the ultimate sleeping experience, and you've reached the crossroads of mattresses. You've heard the buzz about California king vs. Alaskan king mattresses, and now you're standing there, caught in the spotlight of confusion. You want something bigger, grander, and cozier than your run-of-the-mill bed, but which one should you choose? The struggle is real, isn't it?

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In this blog, we're going to dig deeper into the world of mattress sizes, focusing on two major contenders: the California king and the Alaskan king. We'll break down the key differences, weigh the pros and cons, and give you a clearer picture of which one might be the best option for your sleep preferences.

california king vs. alaskan king mattress guide 2023

Key Takeaways:

  • California king and Alaskan king mattresses cater to those desiring generous sleeping space but differ significantly in size.
  • Cal king mattresses measure 72 X 84 inches. On the other hand, Alaskan king mattresses measure 108 X 108 inches.
  • A California king size bed is ideal for couples and individuals, offering extra length while being slightly narrower than standard king size beds.
  • Alaskan king mattresses are the true giants, as they provide unmatched room for large families or anyone seeking maximum space.
  • Your choice between the two should consider factors such as your room size, budget, accessibility, availability of suitable bedding, and personal preferences.

What is a California King Mattress?

The California king mattress, also known as the Cal king, measures a substantial 84 inches in length and 72 inches in width, offering ample sleeping space at a cost-effective price point.

What is a California King Mattress?

Pros of California King Mattress

Extra length

One of the standout advantages of a California king mattress is its extended length. With an impressive 72 X 84 inches dimension, it provides an additional 4 inches of length compared to a regular king-size mattress. This extra length is great for taller sleepers who often find themselves hanging off the ends of queen, king, or other standard sized mattresses.

Easily fits in most master bedrooms

Its narrower width compared to a standard king-size mattress makes it more adaptable to master bedrooms with limited width (12 X 12 feet), ensuring that you can enjoy the perks of a larger mattress without compromising on room space for other bedroom furniture.

Ample space for couples

For couples seeking a restful night's sleep without feeling cramped, the California king mattress is the perfect choice. With generous dimensions, it offers plenty of room for both partners to spread out, minimizes disturbances from nighttime movements, and enhances the overall quality of sleep.

Reasonably priced

In addition to its spaciousness, the California king mattress is known for being reasonably priced, making it an excellent value for those in search of a larger mattress size.

Easily available

California king mattresses have become more readily available on the market. You'll find them in a variety of mattress stores, both physical and online, making it convenient for shoppers to choose the right mattress for their needs.

Cons of California King Bed Mattress

Narrow Width

The reduced width can be a drawback for couples and families who prefer more personal space.

Bedding Challenges

Finding the right bedding, such as sheets and duvets, can be slightly more challenging due to the non-standard size.

What is an Alaskan King Mattress?

Now, let's take things to a whole new level - the Alaskan king mattress. This oversized mattress is the stuff of dreams for those who believe in living large. At a whopping 108 inches in width by 108 inches in length, it's like having your own personal kingdom of comfort.

What is an Alaskan King Mattress?

Pros of Alaskan King Mattress

Unprecedented Size

The Alaskan king is one of the biggest family beds you can get. It's 9 X 9 feet, so there's tons of space for you and your family. You can stretch out, move around, and sleep comfortably without feeling squished.

Luxurious Comfort

The sheer size and spaciousness make an Alaskan king bed a lavish choice for those who want to sleep like royalty. It permits the use of premium, indulgent materials, delivering a sleeping experience similar to being cradled on a cloud.

Ideal for Co-Sleeping

Families and couples who value togetherness find the Alaskan king bed to be an exceptional choice. This vast sleeping surface comfortably accommodates multiple sleepers, ensuring that parents, children, or partners can enjoy peaceful nights together without feeling cramped. It fosters family bonding and a sense of closeness.

Great for Entertainment

The Alaskan king mattress isn't just for sleeping; it's also perfect for having fun and relaxing. Because it's so huge, you can do lots of things on it, like reading stories, watching movies with your family, playing games, or just chilling out together.

Extra Space for Heavier and Taller Individuals

For taller individuals and those on the heavier side, the Alaskan king mattress provides extra space and support. Its substantial length ensures that even the tallest individuals can fully stretch out without their feet hanging over the edge. Also, the mattress's sturdy construction delivers exceptional support for a comfortable and restful night's sleep, tailored to the unique needs of taller or heavier sleepers.

Cons of Alaskan King Mattress

Space Constraints

It's essential to have a very spacious room that is large enough to accommodate this behemoth comfortably.

Price Tag

The Alaskan king bed comes with a premium price tag due to its size and luxury, which may not be within everyone's budget.

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California King & Alaskan King - Mattress Size Comparison Chart

Parameter California King Alaskan King
Length A cozy 84 inches (7 feet) A luxurious 108 inches (9 feet)
Width A generous 72 inches (6 feet) An extravagant 108 inches (9 feet)
Surface Area Room to sprawl, 6,048 square inches Fit for royalty, 11,664 square inches
Average Price Range (USD) Affordable luxury, $1,500 - $2,500 Lavish indulgence, $3,000 - $6,000
Best for Small families and those who love to stretch out Large families and side sleepers seeking boundless comfort
Minimum Room Size A snug 12 feet x 12 feet A grand 16 feet x 16 feet

What to Consider Before Choosing Between a California King and an Alaskan King Bed?

Now that you've met the contenders, it's time to weigh your options and make an informed decision. Here are some factors to consider:

Room Size

cal king vs alaskan king - room size

The dimensions of your bedroom play a pivotal role in this decision. Before you commit to either a California king or Alaskan king bed, measure your room carefully. Ensure that the mattress you opt for fits comfortably, leaving ample space for other essential furniture pieces like nightstands, dressers, and wardrobes. Additionally, consider the ease of maneuvering within the room. You don't want your choice to turn your bedroom into an obstacle course.


It's crucial to have a clear understanding of your budget constraints. While both mattress sizes offer their unique advantages, it's essential to recognize that the Alaskan king comes with a more substantial price tag. The sheer size of the Alaskan king contributes to its higher cost, so be prepared for the financial commitment it entails. Factor in not just the mattress cost but also any associated costs, such as specialized bedding and frames.

Sleeping Arrangements

Cal king vs Alaskan king - sleeping arrangement

Give some thought to who will be sharing this colossal sleeping space with you. If you have a partner, children, or pets that regularly join you in bed, the Alaskan king might be the ideal choice for those family cuddle sessions. Its expansive dimensions can comfortably accommodate more people and pets, making it a top pick for those who relish extra room to sprawl and snuggle.

Bedding and Accessories

alaskan king vs california king - bedding and accessories

It's worth considering that choosing a non-standard mattress size, such as the California king or Alaskan king, can add complexity to finding suitable bedding, frames, and accessories. You may need to invest more effort and, potentially, additional funds in sourcing these items. Ensure that you're ready for this commitment and that you can find the necessary furnishings to complement your chosen mattress size.

Personal Preference

Ultimately, your comfort and personal preferences should be at the forefront of your decision-making process. Think about how you sleep, what kind of sleep environment you find most conducive to restful nights, and what space configuration makes you feel most at ease. Your bedroom should be a sanctuary that caters to your unique needs and preferences.


To conclude, Alaskan king bed vs. California king bed - Which one is the best? Well, choosing between both mattress sizes boils down to your specific needs, budget, and the space available in your bedroom. Both offer unique advantages, whether it's the extra legroom of the California king or the sprawling luxury of the Alaskan king.

So, measure your room, crunch the numbers, and follow your heart (or, rather, your sleep preferences) to pick the mattress that will make your dreams come true.

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Which One is Bigger: California King or Alaskan King?

The Alaskan king size bed (108 X 108 inches) is significantly larger than the California king bed (72 X 84 inches), both in width and length. It's the most extensive mattress size available.

Do I Need a Massive Bedroom for an Alaskan King Mattress?

Yes, you'll need a spacious bedroom to comfortably accommodate an Alaskan king mattress. Ensure you measure your room to verify it can accommodate this colossal bed.

Are There Other Oversized Mattresses Than Cal king and Alaska King?

While California king beds and Alaskan king beds are well-known options for those seeking ample sleeping space, there are two other types of oversized beds gaining popularity for those who crave even more room to sprawl and relax: the Wyoming king and Texas king beds.

A Wyoming king bed measures 84 X 84 inches , offering a square-shaped sleeping space. It's great for couples and families seeking more width than a California king sized bed, but it's not as large as an Alaskan king. On the other hand, a Texas king bed measures 80 X 98 inches. It's ideal for those who want an exceptionally spacious and luxurious sleeping experience, even larger than the Alaskan king but not as lengthy.

Related blog posts:

1. Mattress Sizes Chart and Bed Dimensions Guide

2. Full Bed vs Double Bed - Is there a difference

3. Twin Vs Twin XL Mattress Size Comparison

4. King vs. California King

5. Twin vs. Full vs. Queen Mattress Size Comparison

Disclaimer: What is said in this article has been referenced from multiple sources and is intended only for educational and informational purposes. Please note that no content in this article is a substitute for professional advice from a qualified doctor or healthcare provider. Always consult an experienced doctor with any concerns you may have regarding a health condition or treatment, and never disregard any medical suggestions or delay in seeking treatment because of something you read here.