California King vs. King Mattress – What’s the Difference?

california king vs king mattress

Selecting Serta mattresses sizes is crucial when choosing your future bed. King and California King are your two finest selections if you prefer lots of room. But what distinguishes these two sizes from one another?

It’s a frequent misconception that California kings are more prominent than regular kings. Interestingly, that is not the case.

The California King is shorter than the usual King but narrower and has a smaller overall surface area. Keep reading to find out which, if either California King or King, could better fit your situation if you decide between them.

What is a King Size?

An Eastern king, or king-size mattress, measures 76 inches wide by 80 inches long. Its most significant regular-size mattress on the market allows couples and even lone sleepers to spread out comfortably.

Although these mattresses provide much room to spread out, we cannot suggest them for any bedroom less than 12 feet by 12 feet.

What is a California King Size?

King vs. California king-size mattresses are 72 inches broad by 84 inches long. Contrary to popular belief, a California king is not an upgraded version of a typical king. A California king has a smaller surface area than a king mattress.

Its 6048 square inches are less than the 6080 square inches of a typical king. Although a Cal king mattress is smaller than a king, it provides tall persons with additional legroom. If you’re taller than 6 feet, a California king might be more comfortable for you.

Difference Between King And California King

The main difference between king-size vs. California king beds is their dimensions. Here are the key distinctions:


The standard King bed, an Eastern King, measures 76 inches wide by 80 inches long. It offers ample space for couples to sleep comfortably. On the other hand, the California King bed, also referred to as a Western King, has slightly different dimensions, measuring 72 inches wide by 84 inches long. It is longer but slightly narrower than a King bed.


Due to the differing dimensions, the king-size bed vs. California king beds have different shapes. The King bed is more square-shaped, with equal width and length, while the California King bed is longer and narrower, resembling more of a rectangular shape.

Space and Room Size

When considering the space required for each bed, the King bed takes up more floor space due to its wider width. It is better suited for oversized master bedrooms with ample space. The California King bed, with its longer length, is ideal for taller individuals, to remove bed bug stains, or for rooms that may not have as much width but have more length available.

Bedding and Accessories

Since the difference King and California King have is different dimensions, the bedding, and accessories, such as fitted sheets, comforters, and bed frames, designed for each bed size, are not interchangeable. California King bedding is specifically tailored to fit the mattress’s longer length and narrower width.

When choosing between a King and California King bed, it’s essential to consider the available space in your bedroom, the size and height of the individuals using the bed, and personal preferences for sleeping space. Both bed sizes offer generous sleeping space, but the choice depends on your needs and your bedroom’s dimensions.

Should I Buy A California King Mattress Or King Mattress?

Choosing a California King vs. King mattress depends on your needs and preferences. Consider the following factors to help you make a conversant decision:

Bedroom Size

Assess the dimensions of your bedroom. A King mattress may be a suitable choice if you have a spacious room with enough width to accommodate a wider mattress. On the other hand, if your room is narrower but has more length available, a California King mattress may fit better.

Personal Comfort

Consider your height and sleeping preferences. If you or your partner are taller individuals and require extra legroom, the longer length of a California King mattress may provide a more comfortable sleep surface. A King mattress might be more suitable if you prioritize width and desire ample space to move around while sleeping.

Bedding and Accessories

Remember that bedding and accessories for King vs. California king mattresses are not interchangeable. If you already have bedding or accessories for one size, choosing a mattress that matches your existing items may be more convenient.

Partner Considerations

Communication and personal preferences should be considered if you share the bed with a partner. Discuss your sleeping habits, space requirements, and comfort needs to ensure you select a mattress that satisfies your preferences.

Try Before You Buy

If possible, visit a mattress showroom or try out mattresses in person to get a sense of the size and comfort of each option. Lie down on different mattresses to determine which size feels more comfortable and suits your needs.

Ultimately, choosing a king-size vs. California king mattress depends on your bedroom’s dimensions, personal preferences for sleeping space, and your and your partner’s needs. It’s essential to carefully consider these factors and choose the size that will provide you with the most comfortable and satisfying sleep experience.


It will come down to whether the dimensions of a King bed Stearns and Foster mattress is the best when deciding between a King and a California King bed. Or might the California King’s slightly shorter but longer measurements fit more comfortably? Fortunately, both beds often cost the same amount and are the most expensive choice among all the beds.

What is bigger, a King or California King?

A King bed is more prominent in width than a California King. An average King bed measures 76 inches wide by 80 inches long, while a California King bed is narrower but longer, measuring 72 inches wide by 84 inches long. Therefore, a King bed provides more width for sleeping space, while a California King bed offers additional length.

How big is a Texas King bed?

A Texas King bed is not a standard bed size and may vary depending on the manufacturer or region. It is often used as a term to describe an oversized King bed. The dimensions of a Texas King bed can differ, but it is typically more extensive than a standard King bed, offering even more sleeping space. If you are interested in a Texas King bed, you should check with specific retailers or manufacturers to determine the exact dimensions they offer.

How does a California King differ from a King?

A California King bed differs from a King bed in terms of dimensions. A standard King bed, or an Easterly King, measures 76 inches extensive by 80 inches long. In contrast, a California King bed, referred to as a Western King, is narrower but lengthier, measuring 72 inches extensive by 84 inches long. This means a California King bed provides more length but is slightly narrower than a King bed.

What’s the biggest bed size?

The most significant commercially available bed size is often called an Alaskan King or a Grand King. However, it’s important to note that this bed size may not be widely available and is not as common as standard sizes. The dimensions of an Alaskan King bed vary, but it is typically more extensive than a King or California King bed. It provides an even more spacious sleeping surface, accommodating individuals who desire ample space for sleeping or have specific needs. If you are interested in an Alaskan King bed, it is recommended to inquire with specialized retailers or manufacturers for the specific dimensions they offer.

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