How Big Is A California King Mattress?

How Big Is A California King Mattress

Choosing the right mattress size is critical for a good night’s sleep. A standard California King mattress measures a spacious 72 inches wide by 84 inches long, providing extra comfort for taller individuals.

This blog post guides those seeking ample sleeping space to make an informed decision about their bedding options. Discover the dimensions and benefits of upgrading to a California King bed within these lines.

Key Takeaways

  • A California king mattress is significantly longer than a standard King, measuring 72 inches wide by 84 inches long, which is ideal for tall individuals needing extra length.
  • While offering more foot room and space for taller sleepers or those with pets, the California King is four inches narrower in width compared to the standard king-size bed.
  • Due to its unique dimensions, accessories such as sheets and bedding for a California king may be harder to find and could cost more than standard sizes.
  • Homeowners must ensure adequate bedroom space to comfortably accommodate a California King’s larger size without overcrowding.
  • The spaciousness of a California king-size mattress also promotes better motion isolation between partners and enhances blood circulation by allowing sleepers to stretch out fully.

What is a California King Size Mattress?

The California king-size mattress is a longer and narrower alternative to the standard king-size mattress, providing ample space for taller individuals or those who prefer more room to spread out while sleeping.

With dimensions of 72 inches by 84 inches, it offers a unique sizing option compared to traditional mattresses. However, it is important to note the bed dimensions before buying a new mattress.

What are the dimensions of a California king mattress?

A mattress called a California king mattress measures an expansive 72 inches in width and a generous length of 84 inches, setting it apart as the option for those who need more foot room. The California King offers sleepers ample space to stretch out, making it ideal for taller individuals or couples who share their sleeping space with pets or children at the bed’s end.

With an overall size roughly equal to 6 feet by 7 feet, the bedroom furniture needs to accommodate its grand scale to ensure a well-proportioned room.

Choosing this mattress size adds comfort for long-legged sleepers but trades off some width—precisely four inches less than what you would find in a standard king-size bed. Households seeking both luxury and fitting proportions gravitate towards the California king’s 6,048 square inches total area, comfortably fitting into larger bedrooms while providing that extra bit of legroom that makes all the difference.

Dimensions and comparison to King size

Dimensions and comparison to King size
Image source – nectarsleep

Understanding the precise dimensions of the California King mattress is crucial for homeowners considering this option. The California King promises added length, a key differentiator from the standard King size. Here is a comprehensive comparison and difference between a California king in table format.

Mattress Type Width (inches) Length (inches) Total Surface Area (square inches)
California King 72 84 6,048
Standard King 76 80 6,080

This table illustrates the size disparity. California King mattresses measure 72 inches in width and 84 inches in length. Standard King beds are slightly wider at 76 inches yet shorter in length by 4 inches, measuring only 80 inches. While both retain similar surface areas, the California King’s unique proportions cater to specific sleep preferences, ultimately offering an extra 4 inches for those who require a longer bed. Thus, this difference between King and California king mattresses will help you make an informed decision. It will also help you know the length of a California king mattress and the width of a standard king.

In addition, it will also streamline the process of choosing king and California king beds.

Pros of a California king-size Mattress

– A California king-size mattress is perfect for tall individuals, providing ample length to accommodate their height.

– The spacious design encourages motion isolation, enhances blood circulation, and offers aesthetic appeal, making it a comfortable and visually pleasing option for homeowners.

Perfect for tall people

For individuals who tower over the average height, a California king mattress becomes more than just a luxury—it’s essential for a comfortable night’s rest. Its 84 inches in length comfortably accommodates taller people, ensuring their feet won’t dangle off the edge as they might with standard-sized beds.

Sleepers can stretch out fully without sacrificing comfort or space, and pets have room to snuggle at the foot of the bed without crowding.

Tall sleepers often face the issue of fitting into conventional beds, but with a California king-size mattress, these challenges are put to rest. The additional four inches in length compared to a standard King size offers ample legroom that those extra few inches genuinely appreciate.

This mattress size isn’t just about added comfort; it’s also about providing sleep solutions tailored for those exceptional in stature.

Provides ample space

A California King mattress provides ample space with 72 inches wide and 84 inches long dimensions, giving sleepers extra room to stretch out. This substantial size makes it an ideal choice for taller individuals and those who share the bed with pets or just enjoy the luxury of plenty of sleeping space.

With 6,048 square inches in total area, the California King mattress offers a generous length while sacrificing only 4 inches in width compared to a standard King mattress.

Additionally, due to its elongated design, this mattress is particularly popular among NBA players who require the extra length for comfortable rest. The additional length allows for more freedom of movement without feeling confined and cramped during sleep.

Encourages motion isolation

The spacious dimensions of a California King mattress provide ample sleeping space and encourage motion isolation. With its generous size, the California King reduces disturbances from partner movement during the night.

This can lead to more uninterrupted sleep, making it an ideal choice for those who share a bed with a partner or pets. The increased surface area absorbs movements, preventing them from transferring across the bed and disturbing other sleepers.

Additionally, the extra length allows plenty of room to move without encroaching on your partner’s space.

Furthermore, the substantial size ensures enough distance between each sleeper, minimizing disruptions caused by nighttime movements. As a result, individuals can enjoy improved sleep quality and undisturbed rest throughout the night.

Enhances blood circulation

A California King mattress enhances blood circulation because it lasts longer, allowing sleepers to fully stretch out and promote better blood flow. With four additional inches in length compared to a standard King mattress, the California King is an ideal choice for those looking to improve their circulation during sleep.

The extra space also prevents limbs from getting cramped or constricted, further promoting healthy blood circulation.

The spacious dimensions of a California King mattress facilitate unrestricted movement during sleep and alleviate pressure points, contributing to improved overall comfort and healthier blood circulation.

Aesthetically pleasing

Enhances blood circulation, the California King-size mattress offers practical benefits and an aesthetically pleasing appearance. With its elongated dimensions of 72 inches wide and 84 inches long, the bed exudes a luxurious and spacious look that can elevate the overall appeal of any bedroom.

The extra length creates a grand and majestic presence, making it a focal point within the room while enhancing its visual impact. Additionally, the larger footprint provides an elegant and sophisticated aesthetic that adds a touch of opulence to any setting.

This generous size allows for unique styling opportunities with bedding and decorative elements, further enhancing the room’s aesthetic appeal through luxurious layering and visual balance.

Relieves pressure points

Relieving pressure points is a critical benefit of a California king-size mattress. With ample space and sturdy support, this type of mattress helps distribute body weight evenly, reducing strain on specific areas such as the hips, shoulders, and lower back.

The dimensions of a California king provide generous room for movement during sleep while offering targeted support to alleviate pressure points throughout the night.

The California king’s additional length also allows for various comfortable sleeping positions, ensuring that individuals experience less discomfort and stiffness upon waking. This can be especially beneficial for those with chronic pain or mobility issues who require extra cushioning and relief from pressure points along their bodies.

Cons of a California king-size Mattress

Some potential drawbacks of a California king-size mattress include difficulty finding accessories such as sheets and bedding, lower mobility due to its size, the need for larger room space, and the higher cost compared to standard-sized mattresses.

Difficult to find accessories

Finding accessories for a California king-size mattress can be challenging due to its unique dimensions. Sheets, bed frames, and other accessories designed for this size may not be as readily available as standard sizes like Queen or King mattresses.

The larger dimensions of the California king mattress often require homeowners to put in extra effort to find compatible accessories that fit properly and enhance the overall comfort of their sleeping experience.

Homeowners looking to furnish their bedrooms with a California king mattress may need to seek out specialty stores or online retailers catering to this size. Additionally, custom-made accessories might be necessary to ensure a perfect fit and optimal functionality for the California king bed.

Lower mobility

A significant drawback of a California King mattress is its lower mobility due to its large size. The 4 inches lost in width compared to a standard King mattress can make maneuvering the room challenging, especially if there’s limited space.

This aspect should be carefully considered, as it may affect daily activities such as making the bed or moving furniture around.

Homeowners should evaluate their bedroom layout and overall space constraints before opting for a larger mattress size like the California King. Prioritizing ease of movement and functional use of space is crucial when considering this mattress dimension, ensuring it aligns with individual lifestyle needs and preferences.

Requires bigger room size

Choosing a California king-size mattress requires careful consideration of the available space in your bedroom. Given its dimensions of 72 inches wide and 84 inches long, this mattress demands a larger room size compared to other standard mattresses.

Measuring your bedroom accurately before opting for a California King is essential to ensure ample space for movement around the bed and other furniture.

With its extended length particularly suitable for taller individuals and those who prefer more foot space at the end of their bed, homeowners should assess if their bedroom can accommodate the additional length without compromising comfort or accessibility.

Ensuring adequate room size will enhance the overall aesthetic appeal and provide a functional and spacious sleeping environment tailored to individual needs.


Considering the substantial size and quality construction materials needed for a California King mattress, it’s no surprise that they often come with a higher price tag. The ample dimensions of a California King mattress require more material to manufacture, increasing production costs.

Additionally, due to its specialized nature and larger size, finding accessories like bed frames, sheets, and comforters may incur additional expenses compared to standard sizes. However, the benefits can outweigh the cost for those who prioritize space and comfort while sleeping or have specific needs, such as accommodating taller individuals or pets at the foot of the bed.

When purchasing a California King mattress, homeowners should consider this investment in their budget, room size, and other necessary bedroom furniture.

What to Consider When Buying a California King Size Mattress

When buying a California king-size mattress, you must consider your budget, sleeping patterns and activities, room size, shifting activities, and the features you’re looking for in a mattress.

These factors will help you choose the right mattress for your needs.

California King Size Mattress Budget


When considering purchasing a California King mattress, budgeting is essential. Due to its larger size and increased material requirements, the California King mattress often has a higher price tag than standard mattresses.

Homeowners should allocate an adequate budget that accounts for not only the cost of the mattress but also any additional expenses such as bed frames, sheets, and accessories specifically designed for the California King size.

By carefully planning and setting a reasonable budget, homeowners can ensure they are prepared for the investment in acquiring a California King mattress while avoiding unforeseen financial strain.

To accommodate this purchase in their budget, homeowners should know both initial costs and potential long-term benefits. Understanding one’s specific needs in relation to sleeping patterns, health considerations like chronic pain or mobility issues, room sizes, and shifting activities can help prioritize features within a chosen price range.

Sleeping activities on California King mattress

Sleeping patterns and activities

Consider your sleeping patterns and activities when choosing a California King mattress. Suppose you tend to toss and turn, require extra space for stretching, or share the bed with a partner or pets. In that case, a California King’s spacious dimensions can comfortably accommodate these preferences.

Additionally, if you engage in activities such as reading or watching TV in bed before sleeping, the ample surface area provides flexibility to move around without feeling confined.

Analyzing your preferred sleeping position is crucial – whether you sleep on your back, stomach, or side – as it directly impacts the support and comfort needed from the mattress. Thus, it is important to note these, along with the mattress sizes and dimensions.

considering Room size

Room size

When considering the size of a California King mattress, homeowners must also factor in the space available in their bedroom. A standard California King mattress measures 72 inches wide by 84 inches long, requiring a room that can comfortably accommodate these dimensions without making it feel cramped.

It’s essential to consider the floor area and the layout and arrangement of furniture within the bedroom to ensure sufficient space for movement around the bed.

Also, remember any other accessories, such as nightstands or dressers, that must fit into your bedroom alongside this spacious mattress.

California king-size mattress for Shifting activities

Shifting activities

When considering a California king-size mattress, homeowners should think about their shifting activities. This includes how they will use the bed for reading, watching television, or working on a laptop.

The dimensions of the mattress will impact how comfortable these activities are and whether there is enough space to move around without feeling crowded or constrained. Additionally, if the homeowner frequently moves furniture or rearranges their room layout, they must ensure that the space can accommodate a larger bed.

Understanding these shifting activities is crucial in deciding whether a California king-size mattress is suitable for their lifestyle and needs. Homeowners must carefully consider these activities when evaluating the practicality of investing in this larger mattress size. Also, ensure that you know the size of your bedroom, the space around your bed, and the dimensions of your bedroom. In addition, when you are buying a new bed, ensure that the dimensions are right to choose the right bed and ensure that there is enough space around the bed.

Features to look for

When selecting a California king-size mattress, homeowners should consider specific features to make the best choice. Look for mattresses with advanced cooling technology to prevent overheating during sleep.

Opt for models with high-quality motion isolation properties to minimize disturbances from your partner’s movements while sleeping.

Homeowners should also prioritize durability and construction materials when choosing a California king-size mattress. Ensuring proper certifications and warranties can provide peace of mind regarding the longevity and quality of the investment.

Why Nectar’s California King-Size Bed is a Great Choice

Nectar’s California king-size bed is a great choice due to its quality construction materials, excellent motion isolation, 365-night home trial, cooling technology, certifications, and lifetime warranty.

Quality construction materials

Quality construction materials are essential for a California king-size bed with longevity and comfort. The use of durable, high-quality wood for the frame ensures stability and support, while sturdy metal components provide reinforcement.

Premium foam or latex mattresses with superior breathability and density offer optimal comfort by conforming to the body shape, reducing pressure points, and providing adequate support for a restful sleep experience.

Additionally, using cooling technology in mattress construction helps regulate temperature, ensuring a comfortable sleeping environment year-round.

When it comes to ensuring durability and performance in a California king-size bed, quality construction materials such as reinforced steel springs play an integral role in providing firmness and minimizing motion transfer for undisturbed sleep.

Motion isolation

A California King mattress is excellent for motion isolation due to its generous size. This feature minimizes the impact of movement from one side of the bed to the other, allowing undisturbed sleep even if your partner shifts positions during the night.

The California king’s spacious dimensions provide ample room for each sleeper to move without affecting the other, ensuring a peaceful and uninterrupted night’s rest.

The larger surface area of a California King mattress allows for better weight distribution, reducing motion transfer and disturbances caused by restless sleepers. Additionally, this ensures that any tossing and turning by one person will not disturb their sleeping partner on this expansive mattress.

365-night home trial

Nectar’s California King Size Bed stands out with its 365-night home trial, allowing homeowners to test the mattress over a year. This extended duration provides ample time for users to assess the mattress’s comfort and support, ensuring that it meets their sleep needs.

The 365-night home trial also reflects Nectar’s commitment to customer satisfaction, offering peace of mind and confidence in purchasing. With this extensive trial period, homeowners can experience the benefits of a California King Size Bed without any rush or pressure, making an informed choice based on personal preferences and sleep quality.

The 365-night home trial offered by Nectar allows homeowners to fully integrate the California King Size Bed into their daily routine, providing an opportunity to evaluate its performance effectively across different seasons and sleeping habits.

Cooling technology

The California King mattress from Nectar incorporates advanced cooling technology, ensuring a comfortable and restful night’s sleep. This innovative feature helps regulate body temperature by dissipating heat, promoting airflow, and wicking away moisture.

With this cutting-edge cooling technology, users can enjoy a cool, refreshing sleeping environment conducive to uninterrupted slumber.

Investing in a mattress with superior cooling technology is essential for homeowners seeking optimal comfort and relaxation during sleep. By maintaining an ideal sleep temperature throughout the night, this innovative feature enhances overall sleep quality and ensures a rejuvenated start to each day.


Nectar’s California King Size Bed comes with industry-leading certifications to assure homeowners of its quality and safety. The mattress holds CertiPUR-US® certification, ensuring that it is made without harmful chemicals and meets strict standards for emissions, content, and durability.

This means you can rest easy knowing that the materials used in your mattress are safe for you and the environment. Nectar’s California King Size Bed is OEKO-TEX® Standard 100 certified, guaranteeing that every component has been tested for harmful substances.

These certifications provide peace of mind to homeowners, assuring them that Nectar’s California King Size Bed provides superior comfort and adheres to stringent industry standards for health and environmental consciousness.

Lifetime warranty

Nectar provides a lifetime warranty for their California king-size bed, ensuring long-term peace of mind. This warranty covers any defects in materials or workmanship, so homeowners can rest assured that they are making a reliable investment in their sleep comfort.

The lifetime warranty reflects Nectar’s commitment to quality and customer satisfaction, providing security for those considering a California King mattress purchase.

The lifetime warranty offered by Nectar reinforces the trustworthiness and durability of their California King mattresses. With this coverage, homeowners can confidently enjoy the benefits of extra length for taller individuals without concerns about potential issues.


When it comes to the dimensions of a California king mattress it measures 72 inches wide and 84 inches long. A California king bed size is ideal for taller individuals, providing an additional four inches in length compared to a standard King mattress.

The extra space allows for comfortable sleeping, making it suitable for pet owners or those needing more room at the foot of the bed. The California king mattress’s spacious design and ample length offer a luxurious sleep experience.

Frequently Asked Questions

What are the dimensions of a standard California King mattress?

A standard California King mattress measures approximately 72 inches wide and 84 inches long.

Is a California King mattress larger than a traditional King-size mattress?

A California King mattress is longer and narrower than a traditional King-size mattress.

Will regular king-sized bedding fit on a California King mattress?

No, regular king-sized bedding will not fit properly on a California King mattress due to its different dimensions.

Are there variations in the size of California King mattresses?

Yes, there may be slight variations in the dimensions of California King mattresses from different manufacturers or brands.

Do I need special bed frames or accessories for a California King mattress?

It is advisable to use bed frames and accessories specifically designed for the larger dimensions of a California King mattress for proper support and aesthetic appeal.

How wide is a California king mattress?

A California king mattress is wider than a standard king mattress, measuring 72 inches in width, making it the longest and widest mattress size available. This extra width provides ample space for individuals who prefer a larger sleeping surface or couples who want to spread out comfortably.

How long is a California king mattress?

A California king mattress is 72 inches wide and 84 inches long. This makes it 4 inches longer than a standard king-size mattress. It is the longest mattress size available and provides ample space for taller individuals or anyone who prefers extra room to stretch out while sleeping.

How many inches is a California king mattress?

A California king mattress is approximately 72 inches wide and 84 inches long, making it 4 inches narrower and 4 inches longer than a standard king-size mattress. This additional length makes it a popular choice for taller individuals who require more legroom while sleeping.


Stephani (she/her) serves as the Executive Director of Strategy and Operations at, where she conducts comprehensive research, testing, and analysis of fabric-based products spanning sheets, mattresses, towels, pillows, fitness apparel, and other clothing items..Read more

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