King vs California King Mattress Comparison Guide

King vs California King Mattress Comparison Guide

King vs California King Mattress Comparison Guide

Choosing between a king and a California king mattress involves understanding the differences, that way you are able to meet your specific sleep preferences and room dimensions. At Mattress Warehouse, we recognize the significance of making an informed decision when selecting the right mattress size for you. In this comprehensive guide, we will delve into various factors such as dimensions, pricing, comfort, and other essential considerations to help you decide between a king and California king mattress.

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King vs California King Comparison Chart

Below is a brief overview of how the two sizes compare:



California King


76” x 80”

72” x 84”


There is often no price difference between king vs California king

Typically, there is not a difference in price between a California king and king

Good For

Couples, co-sleepers

Adult couples, taller individuals

Bedroom Size

Large Master Bedrooms or Suites

Long, narrow rooms

Differences Between King vs California King Mattress

King and California King mattresses can differ by size, price, and personal comfort.


A king-size mattress typically measures 76 inches in width and 80 inches in length, making it an ideal choice for spacious master bedrooms. On the other hand, a California king-size mattress measures 72 inches in width and 84 inches in length, emphasizing greater length and suitability for longer, narrower rooms. While both sizes cater to multiple sleepers, the California king provides extra length, beneficial for taller individuals who prefer added space.

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The prices of both king and California king mattresses depend on various factors. Generally, California king-size mattresses may cost slightly more due to their larger dimensions and the additional materials required for manufacturing. However, the price difference is often marginal. Consider your budget and the sleeping space you need when deciding between the two sizes.

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Both king and California king mattresses offer ample space for a comfortable night's sleep. For couples, king mattresses are advantageous, providing room for two sleepers to sprawl out comfortably. Tall, single sleepers may prefer a California king  due to the extra length they provide. Tailor your decision based on your budget, room size, and individual sleep preferences.

See what to look for when shopping for mattresses for couples.


King mattresses are more prevalent, simplifying the process of finding accessories like pillows, blankets, protectors, and more. However, this does not diminish the availability of accessories for California king mattresses. Consider your preferred mattress size alongside accessory accessibility when making your decision.

Room Size

Choosing a mattress that complements your room size is crucial. A California king-size mattress is best  for bedrooms measuring 12 by 14 feet or larger, while a king-size mattress is suitable for rooms 10’ by 12’. Ensure your chosen mattress fits comfortably, allowing approximately 30 inches of space around it for easy movement.

Pros and Cons of a King Mattress

King-size mattresses are the second most popular mattress size, behind a queen. A king-size bed is the ideal choice for couples, or individuals who sleep with their children and/or pets,  due to its larger surface area.

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  • Readily available accessories
  • Versatile for couples


  • Takes up more space, thus it may be too big for a smaller room

Pros and Cons of a California King Mattress

California king mattresses offer unique benefits, particularly for taller individuals and those with longer bedrooms. However, its slightly narrower width and considerations regarding room size and accessory availability should be weighed against these advantages. Careful consideration of personal preferences and room dimensions will help determine if a California king mattress is the right choice for your sleep needs.

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  • Ideal for longer rooms and tall sleepers
  • A good fit for both single sleepers and couples


  • Availability of accessories

King vs California King Mattress: How To Choose What’s Right For You

To determine the best mattress size for you, consider the following questions:

  • Do you move around a lot in bed?
  • How tall are you?
  • How much space do you want your bed to take up?
  • What are your room dimensions? 

Consider factors like nighttime movement, height, space, and room dimensions when determining the best mattress for you. 

King vs California King Bed: Which Is Best For Me?

After you factor in your room size, budget, and the number of sleepers, you’ll be ready to  make the choice  between a king and California king mattress. Ultimately, your personal preference will guide your decision. Visit your local Mattress Warehouse or explore our online selection to find the perfect mattress size for your needs. Once you’ve decided on your desired size  and you’re ready to start the mattress buying process, head to your local Mattress Warehouse or explore our products online where you can shop by size.  

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