Mattress Sizes and Dimensions
Our mattress size guide outlines the different sizes of beds and their dimensions to help you find the bed size that will serve your bedroom needs best
Which Mattress Size Should You Buy?
-
King Mattress Size
Dimensions: 76” x 80”Shop MattressA King size mattress is 76 inches wide and 80 inches long (193.04 cm x 203.02 cm). It's spacious for couples and perfect for families with children or pets. If you are confused, should you buy king or any other size, you may want to compare it to other mattress sizes: King vs Queen, King vs Cal King, King vs Split King.
Best For
A couple who loves to stretch out and share the bed with a small child or a pet.
Room Size
The ideal room size for a King size bed would be 13 feet by 13 feet up to 13 feet by 19 feet. King size is great for master bedrooms or the primary bedroom of the house.
-
California King Mattress Size
Dimensions: 72” x 84”Shop MattressA California King size mattress is 72 inches wide and 84 inches long (182.88 cm x 213.36 cm). California King size mattresses are best for individuals or couples taller than 6 feet. A Cal king mattress is also a great choice for pet parents whose pets like to snuggle with them.
Best For
Tall people who love to have enough legroom and maybe have a pet join them.
Room Size
A long but narrow bedroom, 10 feet by 12 feet up to 13 feet by 19 feet, can hold a California King bed.
-
Queen Size Mattress
Dimensions: 60” x 80”Shop MattressA Queen size mattress is 60 inches wide and 80 inches long (152.4 cm x 203.02 cm). A Queen size bed is the most popular choice among couples. A queen mattress can comfortably accommodate a child and a pet with a single adult. Queen size mattresses are the most purchased size as they are compact yet spacious.
Even though they are the most popular mattresses, compare Queen mattress with other mattress sizes: Queen vs King, Queen vs Cal King, Queen vs Full.Best For
Couples who love cuddling, a young child with a parent, or a single person with a dog.
Room Size
For a Queen mattress size, the recommended room size can vary from 10 feet by 10 feet up to 10 feet by 14 feet. A Queen bed size is also an excellent option for couples who like to have more floor space in their bedroom.
-
Full Mattress Size
Dimensions: 54” x 75”Shop MattressA Full-size mattress is 54 inches wide and 75 inches long (137.16 cm x 190.5 cm). Also known as double beds, Full-size mattresses are ideal for singles! They are 5 inches shorter and 6 inches narrower compared to a Queen size mattress.
To know whether a Full size mattress is the right size for you, compare it to other mattress sizes: Full vs Queen, Full vs Twin XL, Full vs King.Best For
Teenagers, young adults, a child with a parent, or a single person with a pet.
Room Size
For a full size mattress to fit, a bedroom should be 9 feet by 9.6 feet. Full bed size is ideal for guest rooms, dorm rooms, or studio apartments.
-
Twin XL Mattress Size
Dimensions: 38” x 80”Shop MattressA Twin XL mattress is 38 inches wide and 80 inches long (96.52 cm x 203.2 cm). A Twin XL is 5 inches longer than a Twin size mattress. A Twin XL mattress is the best choice for fast-growing teens or adults who prefer compact sleeping spaces. It’s not just a Twin XL mattress that fits your growing adults; there are others too, hence compare it to other mattress sizes: Twin XL vs Full, Twin XL vs Queen, Twin XL vs Twin.
Best For
Young children up to 12 years old, young adults, and college dorm rooms.
Room Size
A bedroom should be at least 8 feet by 10 feet in size. A Twin XL bed can fit in the children’s bedroom or a dorm room.
-
Twin Mattress Size
Dimensions: 38” x 75”Shop MattressTwin size mattresses are 38 inches wide and 75 inches long (96.52 x 190.5 cm). These mattresses can be used on a bunk bed with similar dimensions or on a small bed meant for children.
To know if a Twin size mattress is the right size for you, compare it to other mattress sizes: Twin vs Twin XL, Twin vs Full.
Best For
Children 2-12 years old, bunk beds.
Room Size
A bedroom should be at least 7 feet by 10 feet in size. If putting two Twin beds together in a room, it should be 9 feet by 9 feet.
Other Mattress Sizes
-
Crib Mattress Size
Dimensions: 28” X 50” | 2.33 X 4.16 FeetCrib size mattresses are 28 inches wide and 50 inches long (71.12 X 127 cms). A crib size mattress is the smallest mattress size available on the market and is primarily designed for toddlers and small children. Because of its small dimensions, it can easily fit into a children’s room. It can also be placed in the same room as yours if the bedroom is large.
-
Small Single Mattress Size
Dimensions: 30” X 75” | 2.5 X 6.25 FeetA small single bed is a long narrow bed 30 inches wide and 75 inches long (76.2 X 190.5 cms). It is a good fit for children’s narrow beds with extra length for tall teens. They can also be used for the spare room in your house and can be used to aesthetically enhance your lounging space in the house.
-
Olympic Queen Mattress Size
Dimensions: 66” X 80” | 5.5 X 6.67 FeetA small single bed is a long narrow bed 30 inches wideAn Olympic queen size mattress is 66 inches wide and 80 inches long (167.64 X 203.2 cms). Because it is an uncommon size, it can be challenging to accessorize it or find a bed frame for it. This is an excellent choice for couples who want more space than a standard queen-size mattress. This size lies somewhere between a king and a queen and is a good fit for the master bedroom of the house. It is a good fit for children’s narrow beds with extra length for tall teens. They can also be used for the spare room in your house and can be used to aesthetically enhance your lounging space in the house.
-
Split King Mattress Size
Dimensions: 38” X 80” | 3.25 X 6.67 FeetA Split King mattress is two Twin XL mattresses (38 inches x 80 inches) put together, making it 76 inches wide and 80 inches long king size mattress. A split king mattress is popularly used with adjustable beds, and each side of the bed can have an independent setting. It limits motion transfer to a large extent, helping light sleepers fall asleep easily.
