Choosing the right mattress size is just as important as selecting the right mattress type and firmness for a restful night’s sleep. Beyond comfort and material, the dimensions of your bed significantly impact your sleep quality and bedroom space. Navigating the mattress market can be overwhelming, especially with the subtle differences between sizes and variations in mattress thickness. This comprehensive Bed Size Guide will break down standard and less common mattress dimensions, helping you determine the ideal fit for your needs and bedroom.
Whether you’re furnishing a master suite, a guest room, or a child’s bedroom, understanding mattress sizes is crucial. Factors like room size and budget play a key role in your decision. Let’s explore the various mattress sizes and their recommended room sizes to ensure you select the most suitable option. While queen size mattresses are a popular choice, full, king, and even California king sizes might be better suited depending on your individual circumstances.
Standard Mattress Sizes
Most mattress brands offer a range of six standard sizes, catering to various needs and room dimensions.
California King
Dimensions: 72 inches by 84 inches
Minimum Recommended Room Size: 12 feet by 12 feet
The California king mattress is renowned for its generous length, making it an excellent choice for taller individuals. While it’s slightly narrower than a standard king, its added length provides extra legroom, preventing feet from dangling off the edge. This size comfortably accommodates two adults and can even accommodate a child co-sleeping with parents, making it a family-friendly option.
California king mattresses are also available in a split configuration. This split California king option divides the mattress into two separate halves, ideal for couples with differing firmness preferences or for use with adjustable bed frames.
King
Dimensions: 76 inches by 80 inches
Minimum Recommended Room Size: 12 feet by 12 feet
A king size bed offers a truly luxurious sleeping experience. It provides ample space for two adults to sleep comfortably without disturbing each other, allowing for personal space and undisturbed rest. King mattresses are the widest standard size, offering 4 inches more width than a California king, although they are 4 inches shorter in length.
The spaciousness of a king bed makes it a great choice for families who co-sleep with children. Like the California king, the king size is also available as a split king. A split king mattress essentially consists of two twin XL mattresses placed side-by-side. This configuration is perfect for couples with different mattress preferences or for adjustable beds with independent side adjustments.
Queen
Dimensions: 60 inches by 80 inches
Minimum Recommended Room Size: 10 feet by 10 feet
The queen size mattress is the most popular mattress size, striking a balance between spaciousness and space-saving design. It’s ideal for couples who desire comfortable sleeping space without overwhelming smaller bedrooms. A queen bed comfortably accommodates two adults and is also a luxurious option for single sleepers who enjoy extra room to stretch out.
Queen beds are versatile and fit well in most bedrooms, including guest rooms. Some homeowners may choose a king for their master bedroom and a queen for the guest room, providing comfortable accommodation for visitors. Similar to king and California king sizes, split queen mattresses are also available, offering customized comfort for couples with different mattress preferences.
Full
Dimensions: 54 inches by 75 inches
Minimum Recommended Room Size: 9 feet 6 inches by 10 feet 6 inches
A full size mattress, also known as a double bed, is an excellent choice for single sleepers who want more space than a twin but don’t need the expansive dimensions of a queen. While a full mattress can accommodate two adults, it may feel cramped for couples seeking comfortable personal space.
For individual sleepers, a full mattress provides ample room to move and sleep comfortably, and its smaller footprint makes it suitable for smaller bedrooms. Full size beds are also a practical option for guest rooms, providing comfortable sleeping space without taking up excessive room space.
Twin XL
Dimensions: 38 inches by 80 inches
Minimum Recommended Room Size: 9 feet 6 inches by 10 feet 6 inches
The twin XL mattress is a longer version of the standard twin, offering an extra 5 inches of length. This added length makes it a preferred choice for taller individuals, especially teenagers and college students in dorm rooms. Twin XL beds are also a versatile option for guest rooms, easily accommodating adult guests.
Twin XL mattresses are space-efficient and generally more affordable than larger sizes like queen or full, making them a budget-friendly option for spare bedrooms or smaller living spaces. They are also commonly used in adjustable bed setups, particularly for split king configurations.
Twin
Dimensions: 38 inches by 75 inches
Minimum Recommended Room Size: 7 feet by 10 feet
The twin mattress is the smallest of the standard mattress sizes and is a popular choice for children’s rooms, bunk beds, and smaller bedrooms. Also known as a single bed, the twin size is ideal for children transitioning from cribs to their first “big kid” bed and for teenagers.
While a twin bed may not be suitable for fully grown adults seeking spacious comfort, it’s a space-saving and economical option for smaller spaces. Twin mattresses are also commonly used in kids’ rooms and are perfect for bunk beds and trundle beds.
Other Mattress Sizes
Beyond the standard sizes, there are several less common mattress dimensions that cater to specific needs and preferences. These sizes often require custom orders and may have limited availability for bedding and accessories.
Alaskan King
Dimensions: 108 inches by 108 inches
Minimum Recommended Room Size: 16 feet by 16 feet
The Alaskan king mattress is one of the largest mattress sizes available, offering an expansive square sleeping surface. Measuring a massive 9 feet by 9 feet, this bed provides unparalleled space for multiple sleepers, making it a true family bed, ideal for large families who enjoy co-sleeping.
The Alaskan king offers a luxurious and spacious sleep experience for those who value maximum room to spread out. However, due to its enormous size, finding bedding, bed frames, and other accessories can be challenging, and often requires custom orders.
Texas King
Dimensions: 80 inches by 98 inches
Minimum Recommended Room Size: 12 feet by 14 feet
The Texas king mattress, sometimes referred to as the “grand king,” is a longer and slightly wider alternative to the standard king. With dimensions of 80 inches wide by 98 inches long, it provides extra length, making it suitable for taller individuals who may find a standard king just a bit too short.
The Texas king offers additional legroom and overall sleeping space compared to a standard king. Like the Alaskan king, bedding and furniture for a Texas king may require custom orders due to its non-standard dimensions, and it typically comes with a higher price point.
Wyoming King
Dimensions: 84 inches by 84 inches
Minimum Recommended Room Size: 12 feet by 12 feet
The Wyoming king mattress offers a square sleeping surface, measuring 7 feet by 7 feet. This size provides a unique square shape, offering equal space for couples on both sides of the bed. The square design can be particularly appealing for couples who prefer symmetrical sleeping arrangements.
The Wyoming king provides more width than a queen and more length than a standard king, offering a balance of spaciousness. The extra foot of width compared to a queen can make a noticeable difference in personal space for couples.
Olympic Queen
Dimensions: 66 inches by 80 inches
Minimum Recommended Room Size: 10 feet by 10 feet
The Olympic queen mattress is a less common size that is 6 inches wider than a standard queen. This extra width provides a bit more sleeping space for couples who find a standard queen slightly snug but don’t have room for a king. It can be a good compromise between a queen and a king size bed.
The Olympic queen offers a modest increase in width, providing slightly more personal space for couples compared to a standard queen. This size is sometimes found in RVs and campers due to its dimensions being well-suited for mobile homes, but it can also be used in regular bedrooms.
Full XL
Dimensions: 54 inches by 80 inches
Minimum Recommended Room Size: 9 feet 6 inches by 10 feet 6 inches
The full XL mattress combines the width of a full mattress with the length of a queen or king. It is 5 inches longer than a standard full, providing extra legroom for taller individuals who prefer the width of a full bed. This size is a good option for single adults who want more legroom than a standard full offers.
The full XL is a practical choice for guest rooms or smaller bedrooms where length is more of a constraint than width. It offers a comfortable sleeping space for taller single sleepers without taking up as much room as a queen.
Small Single
Dimensions: 30 inches by 75 inches
Minimum Recommended Room Size: 7 feet by 10 feet
The small single mattress, sometimes simply called a single mattress, is slightly narrower than a twin. While “single” and “twin” are often used interchangeably, the small single is the less common of the two. If you’re looking for a single bed, a standard twin mattress will generally meet your needs as they are very similar in size.
The small single is the narrowest mattress size commonly available, designed for situations where space is extremely limited. It’s suitable for very small bedrooms or for individuals who prefer a minimal bed size.
Crib
Dimensions: Approximately 27.25 inches by 51 inches
A crib mattress is specifically designed to fit inside a baby crib. Crib mattress dimensions are regulated for safety to ensure a snug fit within standard crib sizes.
Crib mattresses are significantly smaller than all other mattress sizes and are exclusively for infants and toddlers in cribs. Federal regulations dictate the standard crib mattress size for safety reasons. Crib mattresses are also typically firmer to provide safe support for infants.
Mattress Sizes and Dimensions Chart
| Mattress Size | Dimensions in Inches | Dimensions in Centimeters |
|---|---|---|
| California King | 72″ X 84″ | 183 X 213.5cm |
| King | 76″ X 80″ | 193 X 203.5cm |
| Olympic Queen | 66″ X 80″ | 167 X 203.5cm |
| Queen | 60″ X 80″ | 152 X 203.5cm |
| Full XL | 54″ X 80″ | 137 X 203.5cm |
| Full | 54″ X 75″ | 134.5 X 190.5cm |
| Twin XL | 38″ X 80″ | 96.5 X 203.5cm |
| Twin | 38″ X 75″ | 96.5 X 188.0cm |
| Small Single | 30″ X 75″ | 76.2 X 190.5cm |
| Crib | 27.25″ X 51″ | 69.2 X 129.5cm |
Other Factors That Influence Your Decision
Choosing the right mattress size goes beyond just dimensions. A mattress is a long-term investment in your sleep health, and several factors should be considered during your selection process.
Bed frames are also essential for mattress support and stability. Most mattress types, including memory foam, latex, innerspring, and hybrid mattresses, are available in standard sizes. However, the size of your bedroom and other practical considerations play a crucial role in determining the best mattress size for you.
Who Will Be Using the Mattress
The primary users of the mattress are a critical factor in determining the appropriate size. For single sleepers who don’t share their bed, queen, full, or full XL mattresses are excellent options, while twin beds are suitable for those on a tighter budget or with limited space. King and California king sizes are generally unnecessary for solo sleepers.
For couples or families who co-sleep with children, queen, king, or California king mattresses provide the necessary space. Couples who enjoy sprawling out may prefer a king or California king for maximum personal space.
Size of Your Bedroom
Consider the overall dimensions of your bedroom, not just the space for the bed itself. You need to allow room for other bedroom furniture, such as dressers, nightstands, and walking space around the bed. A bedroom that feels cramped can negatively impact relaxation and sleep quality.
While a larger bed might seem appealing, ensure it fits comfortably within your bedroom without overcrowding the space. Balance your desire for a larger bed with the practicalities of room size and furniture placement.
Location and Accessibility of the Bedroom
Think about the logistics of moving a new mattress into your bedroom, especially for larger sizes like king and California king mattresses. Consider the width of hallways, doorways, and stairwells, particularly if your bedroom is on an upper floor. Maneuvering a bulky mattress through narrow spaces can be challenging.
Bed-in-a-box mattresses can simplify delivery and maneuverability, but some larger mattresses can still be difficult to move. Assess the accessibility of your bedroom before committing to a larger mattress size.
Budget Considerations
Your budget is a significant factor influencing your mattress size options. Larger mattresses generally cost more than smaller sizes due to increased materials and manufacturing costs. Establish a realistic budget before you begin shopping to narrow down your choices.
Consider mattress materials, brands, and sales to find the best value within your budget. Keep in mind that investing in a quality mattress within your budget is crucial for long-term sleep comfort and health.
Bed Size Guide for Different Sleepers
Choosing the right bed size often depends on whether you are a single sleeper or sharing the bed with a partner. Here’s a quick guide to help you decide:
For Single Sleepers
Twin, twin XL, full, and queen sizes are all suitable for individuals sleeping alone. While a full mattress can temporarily accommodate a couple, twin XL and twin sizes are specifically designed for single sleepers. Queen mattresses, though popular with couples, are also a luxurious option for solo sleepers who enjoy extra space.
- Twin: Ideal for children and teenagers, space-saving, and budget-friendly.
- Twin XL: Great for taller individuals, fits well in shared rooms, and easy to move.
- Full: Versatile for guest rooms and offers more space for single adults.
- Queen: Can accommodate a partner when needed and fits comfortably in most bedrooms.
However, consider the potential drawbacks:
- Twin or twin XL mattresses might be too small for some adults.
- Full or queen mattresses can take up more bedroom space.
- Queen mattresses are more expensive than smaller sizes.
For Couples
Queen and king mattresses are the most common choices for couples. The best size depends on individual preferences, budget, and available room space.
- Queen: Widely available, easy to move, and typically suitable for most couples.
- King: Provides ample room for two people to spread out comfortably.
- California King: Ideal for taller individuals and pet owners due to its extra length.
- Split King: Customizable for individual partner preferences and easier to move in pieces.
Keep in mind:
- Queen beds may not be sufficient for co-sleeping with children.
- California king mattresses can be pricier and accessories may be less common.
- Split king beds require separate mattresses and may have a gap in the middle.
FAQs
How do I know if I need a bigger mattress?
If you frequently feel cramped, disturb your partner’s sleep due to lack of space, or find yourself pushed to the edge of the bed, it might be time to consider a larger mattress size. Couples who constantly bump into each other or individuals who sleep with pets or children often benefit from upgrading to a bigger bed.
Wishing for more space or waking up due to discomfort related to mattress size are clear indicators that a larger mattress could improve your sleep quality and overall comfort.
Can I use a mattress topper to make my current mattress feel bigger?
No, a mattress topper primarily enhances comfort and support but doesn’t increase the actual size of your mattress. While toppers add cushioning or firmness and can extend mattress life, they don’t change the bed’s dimensions. An oversized topper might even cause you to roll out of bed more easily if it hangs excessively over the edges.
If you need more sleeping space, purchasing a larger mattress is the most effective solution. Mattress toppers are not a substitute for adequate bed size.
Does size affect a mattress’s lifespan?
Mattress size itself doesn’t directly impact lifespan. Durability is more influenced by factors like mattress construction, materials, maintenance, and usage frequency. However, larger mattresses, especially lower quality ones, might be slightly more prone to sagging or indentations over time due to their increased surface area and weight distribution.
Regardless of size, signs of wear and tear like sagging, indentations, or decreased comfort indicate it’s time for a replacement. Regular mattress maintenance can help maximize lifespan.
How do I ensure my new mattress will fit in my bedroom when moving?
Before purchasing, carefully measure your bedroom dimensions and compare them to the mattress sizes you are considering. Account for additional furniture like nightstands and dressers, as well as walking space, to ensure a comfortable fit.
Also, measure doorways, hallways, and stairwells to confirm the mattress can be easily moved into your bedroom, especially in older homes with narrow passages. If space is limited, consider downsizing your mattress or exploring space-saving bed options.
Can I buy a mattress online or do I need to visit a store to determine the right size?
Determining the right mattress size can easily be done from home. Measure your available space and visualize how different mattress sizes would fit. Online mattress retailers provide detailed size guides, room planners, and customer support to assist you in choosing the right size without needing to test in a store.
Reputable online retailers also offer risk-free trial periods, allowing you to test the mattress size and comfort in your own home before fully committing to the purchase.
How do I dispose of my old mattress when upgrading to a new size?
Many mattress retailers offer old mattress removal and disposal services when you purchase a new mattress. This is often the most convenient option.
Alternatively, you can donate your old mattress if it’s in good condition and meets donation guidelines. If donation isn’t possible, contact your local waste management for recycling or junk pickup options, as some areas have specific procedures for mattress disposal.
Can I order a custom-sized mattress?
Yes, custom mattress sizes can be ordered from mattress manufacturers or specialty bedding stores if you have a unique bed frame or specific size requirements.
Carefully measure your bed frame’s interior dimensions and any unique features to ensure a proper fit for a custom mattress. Be aware that custom sizes typically have a higher price and longer production time compared to standard sizes.
Conclusion
Choosing the right mattress size is a crucial element of sleep comfort, alongside mattress firmness, type, and thickness. Sufficient space on your mattress and in your bedroom is essential for restful sleep. By carefully balancing your needs, room size, and budget, you can select the perfect mattress size to optimize your sleep experience and bedroom functionality.
