A common problem is selecting a new mattress that perfectly fits you to make the bedroom more luxurious. My team and I created 20 different mattress size charts: age, height, weight, and room size. In this chart, I explore another type of bed size in the USA.
Here are Mattress’s Dimensions with Room size and Sleeper Maximum Height Guide
| Mattress Size Name | Dimensions in Inches (W x L) | Dimensions in CM (W x L) | Dimensions in Feet (W x L) | Recommended Room Size in Feet (W x L) | Recommended Sleeper Height (Feet & Inches) |
|---|---|---|---|---|---|
| Crib | 27¼ x 57⅝ | 71 x 132 | 2.3 x 4.3 | 7 x 10 (70 sq. ft.) | 2’ 11” |
| Cot | 23.6 x 47.2 | 60 x 120 | 1.96 x 3.93 | 6 x 9 (54 sq. ft.) | — |
| Small Single | 30 x 75 | 76.2 x 190.5 | 2.5 x 6.25 | 7 x 10 (70 sq. ft.) | 5’ 9” |
| Twin | 38 x 75 | 96.5 x 190.5 | 3.17 x 6.25 | 7 x 10 (70 sq. ft.) | 6’ |
| Twin XL or Twin Long | 38 x 80 | 96.5 x 203.2 | 3.16 x 6.66 | 8 x 10 (80 sq. ft.) | 6’ 2” |
| Super Single | 42 x 75 | 106.68 x 190.5 | 3.5 x 6.25 | 9 x 10 (90 sq. ft.) | 6’ |
| Full | 54 x 75 | 137.16 x 190.5 | 4.5 x 6.25 | 9 x 10 (90 sq. ft.) | 6’ 3” |
| Full XL | 54 x 80 | 137.16 x 203.2 | 4.5 x 6.66 | 9 x 10 (90 sq. ft.) | 6’ 3” |
| Queen | 60 x 80 | 152.4 x 203.2 | 5 x 6.66 | 10 x 10 (100 sq. ft.) | 6’ 4” |
| Olympic Queen | 66 x 80 | 167.64 x 203.2 | 5.5 x 6.66 | 10 x 10 (100 sq. ft.) | 6’ 4” |
| King | 76 x 80 | 193 x 203.2 | 6.33 x 6.66 | 12 x 12 (144 sq. ft.) | 6’ 6” |
| California King | 72 x 84 | 182.88 x 213.36 | 6 x 7 | 12 x 12 (144 sq. ft.) | 6’ 6” |
| Split King | 38 x 80 (x2) | 96.5 x 203.2 (x2) | 3.16 x 6.66 (x2) | 12 x 12 (144 sq. ft.) | 6’ 6” |
Mattress Dimensions Guide
In this mattress size chart and dimensions guide, I will interpret the 6 standard mattress dimensions in the USA and some unknown options to help you choose the best mattress for your needs.
Best For: Kids Bunk bed & single sleeper. Who likes to sleep alone.
Room Size: A twin-size bed naturally fits a room size of 7 x 9 feet. But if you add outfits like a desk, dresser, and cozy accessories to comfortably fit the bed, you need an 8 x 10 square foot room.
Twin XL Size
Dimensions (width x length): 38 x 80 inches, 96.5 x 203.2 cm, 3.16 x 6.66 feet
Minimum Recommended Room Size: 9 feet 6 inch to 10 feet 6 inch
Sleeper Maximum Height: 6 Feet 2 Inch
The twin extra-long mattress is the most popular size for college dorm rooms. It is 5 inches longer than a twin-size bed. It is ideal for siblings, adults, and couples. It is also ideal for teens, especially adults who are almost 7 feet taller and have limited room space.
Full Size
Dimensions (width x length): 54 x 75 inches, 137.16 x 190.5 cm, 4.5 x 6.25 feet
Minimum Recommended Room Size: 9 feet 6 inch to 10 feet 6 inch
Sleeper Maximum Height: 5 Feet 9 Inch
A full-size mattress is also known as a double mattress. The double mattress is a good fit for young adults who are recent grads living independently for the first time. The full size is 16 inches wider than a twin bed at 53 to 75 inches long. A full-size bed is not recommended for couples who like to share a bed with children or pets or enjoy sleeping alone. However, it’s a good choice for a guest room or couples who like romance a solid night.
Queen Size
Dimensions (width x length): 60 x 80 inches, 152.4 x 203.2 cm, 5 x 6.66 feet
Minimum Recommended Room Size: 10 feet to 10 feet
Sleeper Maximum Height: 6 Feet 2 Inch
The queen mattress is a popular size, more prominent than a twin. It is traditionally used in each master bedroom. The queen mattress dimensions are 60 inches wide and 80 inches long, offering enough space for new couples or individuals who like more space. The queen mattress also comes in Olympic and split queen options. The queen-size mattress is a superior choice.
King Size
Dimensions (width x length): 76 x 80 inches, 193.04 x 203.2 cm, 6.33 x 6.66 feet
Minimum Recommended Room Size: 12 feet to 12 feet
King-size mattress dimensions are 76 inches wide and 80 inches long enough to accommodate couples who share a bed with their pet and children. It’s good for new couples. It’s 4 inches wider than the California King and offers more space at romance time. Two twin XL beds combined make a king bed, referred to as a split king. King-size beds are large enough space that both sleepers can sprawl out with room spare.
California King Size
Dimensions (width x length): 72 x 84 inches, 182.88 x 213.36 cm, 6 x 7 feet
Minimum Recommended Room Size: 12 feet to 12 feet
The California King mattress, 72 to 84 inches in length, is generous for individuals more than 6 feet taller who like more legroom. It is also beneficial for average-height people and is ideal for people who like to share a bed with children and pets. The California king bed is a good fit for a more oversized bedroom with luxurious sleeping space.
Others Mattress Sizes
Other Mattress sizes, like the Alaskan king, can be challenging to find, and many require a custom order from the manufacturer. You also need to hunt for bedding and bed frames that fit these sizes, too.
RV Queen or Short Queen
Dimensions (width x length): 60 x 75 inches, 152.4 x 190.2 cm, 5 x 6.25 feet
The alternative name for Short Queen mattress is RV Queen.it is typically 60 inches wide and 75 inches long, is 5 inches shorter than the queen mattress, and length is same as a full. However, a short queen mattress is perfect for small rooms and guestrooms, especially for RVs and Campers. Using a short queen mattress in an RV is beneficial because the bed doesn’t bend which means it’s very comfortable to sleep on the bed with the slide in.
Olympic Queen
Dimensions (width x length): 66 x 80 inches, 167.64 x 203.2 cm, 5.5 x 6.66 feet
Olympic queen mattress is also known as Super Queen and Expanded Queen. It is the same length and 6 inches wider than standard queen. It is typically 66 inches wide and 80 inches long. Compared to a standard queen-size mattress, the extra six inches of width in an Olympic queen creates a big difference in comfort, especially for couples who prefer more space while sleeping. However, for those who share their beds with pets, Olympic queens can accommodate them comfortably without feeling like they are on top of each other.
RV King or Short King
Dimensions (width x length): 72 x 75 inches, 182.88 x 190.2 cm, 6 x 6.25 feet
A short king mattress’s dimensions are 72 inches wide and 75 inches long. It is typically 4 inches narrow and 5 inches shorter than a standard king size mattress. They are ideal for small bedrooms and guest rooms. However, they are specially designed for RVs and campers. people who are above 6 inches tall and love more space to sprawl, the mattress ensures them comfort in sleeping.
Texas king
Dimensions (width x length): 80 x 98 inches, 203.2 x 249 cm, 6.66 x 8.16 feet
Texas king is the second largest mattress that has come in the market so far. It is typically 80 inches wide and 98 inches long. Although a Texas king is 4 inches narrower than a Wyoming king and 4 inches wider than a standard king mattress. This mattress is ideal for a family with small family or pets. So, It can accommodate a couple and one or two children. However, Texas king mattresses don’t consider pillows.
Wyoming king
Dimensions (width x length): 84 x 84 inches, 213.36 x 213.36 cm, 7 x 7 feet
Wyoming King is the most luxurious commercially available mattress size on the market. With its massive 84 inches width and 84 inches height dimensions, Wyoming king mattress offers enough space for parents and their kids. This mattress is typically 8 inches wider and 4 inches taller than a standard mattress size. This extra space of a Wyoming King mattress is ideal for families with kids or pets who like to sprawl out while sleeping, or for couples who just prefer a lot of space for quality sleep freedom.
Alaska King
Dimensions (width x length): 108 x 108 inches, 274.32 x 274.32 cm, 9 x 9 feet
The Alaska king mattress is square in size and the largest mattress size available in the market so far. It is typically 108 inches wide and 108 inches long. However, Alaska king mattress is almost double in width compared to the standard queen-size mattress. They offer plenty of space for a big family with kids or pets. Although, this mattress easily accommodates four adults or a family of two adults with two or three kids. An Alaska king-size mattress is a perfect choice for couples who want to enjoy the freedom of sprawling out at night without separating partners.
Family
Dimensions (width x length): 80 x 120 inches, 203.2 x 304.8 cm, 6.66 x 10 feet
Family-size mattress is the same size as two queen mattresses. it is typically 80 inches wide and 120 inches long. This mattress is made with luxury materials like cooling gels and supportive memory foam that offer a comfortable sleep experience for everyone. a family-size mattress is ideal for a large family and co-sleeper. however, co-sleeping seems like a complex thing, but it is a quick process that would get old soon.
Family xl
Dimensions (width x length): 84 x 144 inches, 213.36 x 365.76 cm, 7 x 12 feet
Family XL mattress is a supersized mattress designed to sleep with multiple people like a larger family with kids and pets. it is typically 84 inches wide and 144 inches long with around 13 inches thick and is 36 inches wider than an Alaska king mattress. this mattress is constructed with memory foam that offers pressure relief in sleeping and regulates temperature to prevent overheating. A family XL mattress is perfect for a family who loves to co-sleep with their kids and pets, or a family who prefers ample space to sprawl while sleeping.
Crib
Dimensions (width x length): 27¼ x 57⅝ inches, 71 x 132 cm, 2.3 x 4.3 feet
The crib mattress is well known as a mini bed or junior bed. The dimensions of this mattress are typically 27¼ x 57⅝ inches within 6 inches thickness. The crib mattress is specially made for infants and toddlers. Mattress extra length has breathable benefits infants breathable at sleeping time does decrease SIDS risk.
Cot
Dimensions (width x length): 23.6 x 47.2 inches, 60 x 120 cm, 1.96 x 3.93 feet
Basically, Cot mattresses are same as Crib mattresses but are much softer than Cribs. It has 3 built-in storage drawers and 2 height levels, converts to a toddler bed, and has everything that is needed. But remember, the deeper the mattress the more risk that the baby gets their face trapped while sleeping on their tummy because of the extra softness, which can increase the SIDS risk.
Small single
Dimensions (width x length): 30 x 75 inches, 76.2 x 190.5 cm, 2.5 x 6.25 feet
Small single mattress size is same as Twin mattresses in terms of length and 8 inches narrower in width. This mattress is typically designed for adolescents and children who are transitioning from cribs. A Small single mattress can be properly fitted in a small spot to maintain room space efficiency.
Super single
Dimensions (width x length): 42 x 75 inches, 106.68 x 190.5 cm, 3.5 x 6.25 feet A super single mattress is essentially a wider version of a standard single mattress. The dimensions of super single mattress are 42 x 75 inches. It is good size for custom loft bed frames because plywood comes around 42″ long. This extra width is ideal for someone who finds a single mattress a bit too confining or for someone who tends to move around a lot in their sleep.
Three Quarter
Dimensions (width x length): 48 x 75 inches, 121.92 x 190.2 cm, 4 x 6.25 feet
A three-quarter mattress is not as common as other mattresses and is larger than a small single but smaller than a Full. It is typically 48 inches wide by 75 inches long. Three-quarter mattresses are an ideal choice for single sleepers who want more space than a single mattress provides. However they may not be large enough for some couples if they don’t have tends to sprawl out when they sleep.
Full xl
Dimensions (width x length): 54 x 80 inches, 137.16 x 203.2 cm, 4.5 x 6.66 feet
A Full XL mattress is a mattress that is five inches longer than a standard full mattress, but six inches narrower than a queen mattress. It is typically 54 inches wide by 80 inches long. This size mattress is ideal for people who find a standard full mattress too small and don’t get enough space like a queen mattress. However, It is a good option for those who have a larger body and also can be used for dorm rooms or guest rooms.
What are standard mattress sizes?
As we know, mattress sizes vary according to the size and dimensions of the bed frame. There are multiple types of bed sizes available in the market. Among them, the most standard mattress sizes are twin, twin XL, full, queen, king, and California king. The most common and popular mattress size is the queen mattress, which is chosen mostly by customers. Queen-size mattresses are the most traditional mattresses available in the market.
How do I know my mattress size?
It’s a straightforward process that helps to know mattress size. You need to take a couple of steps to measure your mattress. First, take a measuring tape, and then measure your mattress’s height, width, length, and thickness one by one. Note down those measurements and then you will be able to know your exact mattress size.
How do I measure my mattress?
Measuring a mattress’s size is very important for fit on the room and bed to replace or buy a new mattress. Measuring takes a short time following few easy steps:
- Height measurement: measure in inches from top to bottom of the mattress you will found mattress hight.
- Width measure: measurement in inches from the right side to the left side of the mattress the you’ll easily understand width.
- Length measurement: measure in inches from the back to the front of your mattress.
Conclusion
Choosing the right mattress size is just as important as choosing the right comfort level. Consider both your needs and your bedroom space. With the information provided above, you will be well-equipped to select the perfect mattress size for a comfortable and restful sleep. so, Measure your bedroom carefully, and choose the best deals. don’t hesitate to try out different mattresses before making your final decision to ensure that it is comfortable and supportive.