California King vs King Size Mattress – Which is a Better Choice?

Buying the correct size mattress is an important decision. After all, your bed is the place where you relax after a long day at work. However, when you go in search of the perfect mattress for your bedroom, you often get confused by the different choices available. Which mattress is better – California king or king? This question has many of us scratching our heads. Let us look at the various aspects of these two types of mattresses to help you make a better-informed choice.

Mattress typeKingCalifornia King
Width76 inches72 inches
length80 inches80 inches
Surface Area6080 sq inches6048 sq inches
ProsWidest mattress


Ideal for couples

Easily available accessories

Longest mattress.

Ideal for tall people

Good for narrow rooms

ConsDifficult to move

Not suitable for taller people

Accessories not as readily available and are expensive

Difficult to move

Other NameEastern KingWestern King


A California king size mattress, also known as the Western King, is 72 x 84 inches while a king size mattress is 76 x 80 inches. The California king mattress is not as wide as a king size mattress, but it is longer. It gives you four inches of extra length which is great for taller people.

The king size mattress, also known as the Eastern King, is the widest mattress available. It is, in fact, four inches wider than a California king mattress and this makes it the ideal choice if you are sleeping with a partner.

A lot of people think that California king size mattress is bigger than a king size mattress, but that is not true. It may be longer, but it is not as wide as the king size mattress. The surface area of a California king mattress is 6048 sq inches, while that of a king size mattress is 6080 sq inches.

Different mattress size info graphic


Though there is not much of the difference in the total surface areas of these two kinds of mattresses, their rates can be very different. Since the king size mattress is more readily available, you can look for one in the price range that is more suitable for you.

The California king mattresses are not very easily available, these mattresses and their spare parts like the bed frames, box springs, and even bed sheets are more expensive than king size mattress accessories.

Comfort and length

Since both these mattresses are quite big, they are comfortable.  The added length of the California King is a great boon if you are six feet tall or more. It gives you the extra spaced to stretch out. Though it is not as wide as the king size mattress, it still has enough space for two people to sleep comfortably.

The king mattress is the widest mattress available. It is perfect for couples as it gives enough space to each person to sleep comfortably.  It can also accommodate children and pets if they choose to snuggle with you.

Room size

You must consider the size and the shape of your room when you go looking for the perfect mattress. Another critical thing to consider is that there must be at least two feet of space on each side after you have placed the bed.

This extra two foot gives you enough space to move around and to fit other pieces of furniture like the dresser that is essential for the bedroom. To fit your king size mattress comfortably in your room, it should be between 10 x 12 feet to 12 x 13 feet.

If you have a narrower room, the California king size will fit better. If your room is wide, a king size mattress will fit better. Ideally, the room should be between 12 x 12 feet to 14 x 12 feet for a California king mattress.


Since king size beds are more popular than California King, their accessories are more readily available. The price range is also quite varied from the cheapest to the more luxurious and expensive sheets, pillow covers and comforters.

The accessories for the California king size mattress like box springs, frames, mattress protectors, sheets, and comforters are not that readily available in the shops.


You can, however, buy these accessories easily online. You can also opt for regular flat sheets to fit your California king size mattress.


The mattress you choose depends on many factors. If you are tall and prefer to stretch your limbs while you sleep, California king is the mattress for you. If you have a wider room and a smaller budget, stick to a king size mattress. Accessories for the king size mattress are a cheaper and more readily available. So, go on and make the right choice for your room.


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