People mistakenly believe that California kings are larger than standard king beds. But the main difference lies in the width of the bed and the length.

For people who would rather have ample distance, both best choices would be California King vs King Mattress. These conventional mattress sizes are trendy among couples. Still, many sleepers have difficulty determining what king mattress is ideal for them if the differences between dimensions are unclear.

Below you’ll see a comprehensive comparison between those mattresses in addition to a thorough breakdown of all of the features that you need to know about when making the suitable mattress for you.

What’s a King Size?

What's a King Size

A king mattress measures 76 inches by 80 inches-the equivalent to 2 twin xl mattresses positioned alongside each other. A king-size bed (otherwise called an Eastern king) was made to accommodate two sleepers but includes space for kids who prefer to snuggle with their parents during the night.

The standard king size bed is the most significant mattress size available on the current market, covering an entire surface area of 6,080 square inches. This mattress size is ideal for more enormous master bedrooms at least 12 feet by 10 feet, although we urge 13 feet by 13 feet to find the best distance balance. It’s the most used choice for couples, second only to the queen-size mattress.


  • Couples who prefer to stretch out, also room for Kids
  • Huge bedrooms
  • Widely accessible
  • Split king choice available for couples with diverse sleep tastes


  • Expensive
  • Too large for restricted spaces
  • Difficult to maneuver because of weight and size

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What’s a California King Size?

What's a California King Size

A California king mattress (also called a Western king) measures 72 inches by 84 inches and is equal to two twin XL mattresses. This mattress size can be ideal for couples, particularly for sleepers more than 6 ft tall. Considering that the Cal king mattress is much slimmer than the usual king-size, it can have space to match 1 to 2 little kids along with two adults.

California king beds are the second-largest typical dimension in the mattress industry, with 6,048 square inches of total surface area. Cal king mattresses are best for master bedrooms measuring 12 feet by 12 feet, although space dimensions 12 feet by 14 feet are better to adapt the mattress’s extra length.


  • Overweight people at least 6 ft
  • Couples who prefer to be nearer together
  • Split California king Alternative for couples with diverse sleep tastes
  • Huge bedrooms


  • Difficult to maneuver because of the bulky size
  • Higher Price
  • Difficult to locate bedding

Selecting Between King vs California King Mattress

Selecting Between California King vs King Mattress

Dimensions of the Room

California king and king mattresses may take up too much space if your bedroom measures less than 12 feet by 12. The size of your bedroom can also influence which mattress is best for you. A California king size may be more space-efficient if you look for a narrower bed to allow for more decor and furniture.


Although the king vs California king mattresses is generally around precisely the exact cost, the accessories and bedding for a Cal king could be more expensive and more difficult to find. Items like bed frames, box springs, comforters, bedsheets, and mattress protectors can cost more using a Cal king size mattress. Considering that California king mattresses aren’t as popular as ordinary kings, these things are also much less readily available.


Once you’re making the telephone, be sure that you depart the 2 feet from each mattress side, as we mentioned previously.

There is something else, however, that you would wish to take into consideration. Cal King-sized beds aren’t that different from the regular king mattress; however, at precisely the same time, some individuals ultimately enjoy their somewhat awkward and other measurements. People that are more than six feet tall, for example, would indeed find the different lengths quite handy.

At precisely the same time, California king mattresses are also very likely to look quite good in rooms that are thin and long. On the flip side, if you’ve got a room with routine measurements and you love your personal space when sleeping, a conventional king-size bed is the greater telephone. If you and your spouse would rather sleep near one another, the thinner measurements of the Western king will be highly valued.

Your Height

For taller people, especially those over 6’6 feet, a California king bed is a great choice. The extra length of the California king bed can provide more legroom, and make sure your feet don’t touch the ends. This may be a preference decision based on your individual preferences.

If you have enough space, the Cal King is worth the investment if your height is not too high.

Your Partner

Additionally, this is something quite significant. As we have mentioned previously, the general width of these mattresses is very different. The California king-size is roughly 4 inches thinner while, at precisely the same time, being greater.

Bearing this in mind, if you and your spouse would instead awaken close, this is the clear option. We have discovered that, though many individuals choose to have their sleeping space throughout the hot summer days, being quite near each other isn’t something you’d prefer. If that is true, a normal king is the better option.

Other sizes of beds

King mattresses may not be suitable for all bedrooms. Perhaps you live alone in a studio apartment and require a bed that takes up little space. Maybe you are looking for a mattress to replace your child’s crib.

Apart from a California King or California king, there are four standard sizes of mattress you could consider: twin, twinXL, full, and queen.


Twin mattresses measure only 38″ by 75″, which gives you enough space to get a night of healthy sleep. These mattresses are great for small bedrooms, guest rooms, and child’s rooms.

Twin XL

Twin XL mattresses are 5 inches longer than standard twin beds. They are just as wide as regular twin beds. To allow teenage growth, many parents prefer a twin XL mattress to a twin. To accommodate taller students, colleges often use twin XL frames in their dormitories.


A full mattress is sometimes called a double or twin bed and measures 54 by 75 inches. This is 16 inches more width than a twin mattress. Full mattresses are recommended only for single sleepers. Most couples wouldn’t have enough space to share a bed with full-sized mattresses.


A queen-size mattress is the best option if you are looking for a mattress for two, but a king mattress would be too large for your bedroom. Queen size mattresses measure 60 inches by 80 inches, and each partner has approximately 30 inches of sleeping space.

Solo sleepers looking for more space or a larger bed are likely to choose a queen mattress. A queen-sized mattress and bedroom furniture should be sufficient for your bedroom if it is not smaller than 10 feet by 10 feet.


FAQs about california king vs king mattress (1)

Can California king sheets match on a king-size mattress?

Considering that a California king mattress is 4 inches thinner than a normal king, its sheets won’t fit properly on a king-size mattress. As soon as you’ve picked the ideal size of sheets, then do not forget to wash them around once per week to eliminate allergens and promote a much healthier rest.

Is a California king larger than a normal king?

The king-size mattress includes a larger total surface area concerning a California king size-6,080 square inches compared to 6,048.

Do two double beds create a king?

No. A king is identical to two twin XL mattresses, which can be just five inches longer than a standard twin mattress.

Why is it known as a California king?

After World War II, a retailer in Los Angeles believed that Californians had large houses and larger beds. He also called them the California King later.

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What’s the purpose of a California king mattress?

Although the concept of a Cal king might not make much sense, it is a fantastic alternative for tall sleepers or couples using a little, narrow master bedroom. Having a California king mattress, every sleeper (or solitary sleeper) still has lots of distance, but the mattress does not occupy as much space width-wise.

What is an Alaskan King Bed?

An Alaskan king measures 108 inches by 108 inches or 9 by 9 feet. Alaskan kings, which are uncommon, are the largest variety

of king beds.
They’re perfect for couples who need lots of space or parents who want to co-sleep with their children. Alaskan kings are not available at most mattress retailers, so it may be necessary to order one.

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What are Split Kings?

Split king mattresses are two twin xl beds that have been placed side-by-side. These mattresses measure 38 inches by 80 inches and are about the same size as twin XL mattresses. Manufacturers sell split king mattresses to increase sleep quality of couples. Each partner can customize their half.

Split Cal king mattresses are also available, though they are rarer than the standard split king. Split king bedding is more difficult to find accessories for a California king split mattress.

Why is it known as a California king?

The California king obtained its title from where it had been devised-Los Angeles, California. The inventor of the mattress believed most Californians had homes large enough to get a bed six feet wide and seven feet long.

What’s the point of a California King bed?

The California king mattress is designed for tall people, especially those over 6 feet. A smaller mattress may make it feel more cramped, even for a standard king mattress. They won’t feel like their feet are hanging over the edge of the mattress because they have an extra 4 inches.

Can I have a king or a California king size mattress delivered?

Most bed in boxes mattress manufacturers will send their California king or king-sized mattresses right to your home.

Amazon also offers many mattress sizes. White glove delivery is available, which allows the delivery team to set up your new mattress and take away your old one.


Both a king vs California king mattress provide lots of sleeping space. Which one you opt to go with depends upon if you prefer more room to sprawl out or even more room to stretch your legs.

Even though a California king mattress is thinner and longer and a king-size is shorter and wider. Based upon your individual preferences and accessible space, the two dimensions are excellent options for almost any master bedroom.


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