Is a full XL the same as a full?
Full XL. A Full XL is the same width as a standard full, however, it's five inches longer. Full XL mattresses have a surface area that's 6% larger than a standard full at 4,240 square inches. This makes it a great option for taller adults who find the standard full a bit too short.
Full XL: The Full XL bed size is the same width as a Standard Full but includes an additional 5″ of length, matching the length of a Twin XL, Queen, and King size options.
How Do You Measure a Mattress? To determine the dimensions of a mattress, measure it from head to foot for the length and from side to side for the width. It may be helpful to measure the depth of the mattress as well, from the bottom where it rests on the box spring to the top.
Full- and queen-size mattresses are two of the most commonly bought mattress sizes on the market. A full-size mattress is smaller than a queen, measuring 54 inches wide and 76 inches long. A queen-size mattress adds an extra 6 inches to the width making it 60 inches wide and 80 inches long.
Size - Full XL (54” x 80”)
The Full Extra Long mattress is the least common size purchase. It is 5” longer than a Full and 6” narrower than a Queen. If you cannot accommodate the width of a Queen, but still would like the length that the most popular size offers, a Full XL is a fantastic solution.
Full XL Mattress (53" x 80")
The length of the mattress is the difference between a Full XL and a regular Full size mattress. A regular Full size mattress measures 54" wide by 75" tall while a Full XL mattress has an additional 5" inches in length, making it 54" wide by 80" tall.
In fact, you might be wondering can two adults sleep on a full mattress? The good news? A full mattress (aka double bed) has been considered the gold standard bed size for couples, and can definitely sleep two. However, some couples may find a larger queen or king size mattress is their perfect fit.
Both double and full sizes are available as double XL or full XL size mattresses. Measuring 54 inches by 80 inches, these mattresses are 5 inches longer than a standard double or full size mattress. The extra inches come in handy to accommodate tall sleepers.
Additional Full Mattress Sizes
The Full XL is identical in width to the Standard Full, but has an additional 5″ length that matches Twin XL, Queen and King size options, making it an ideal fit for taller individuals.
- Twin. 38" x 75" 1 person. A twin bed has a width of 38 inches and is 75 inches long. ...
- Twin XL. 38" x 80" 1 person. ...
- Full. 54" x 75" 1 person. ...
- Queen. 60" x 80" 2 person. ...
- King. 76" x 80" 2 person. ...
- Split King. 76" x 80" 2 person. ...
- FlexTop King. 76" x 80" 2 person. ...
- California King. 72" x 84" 2 person.
What size bed is a full size bed?
Let's start off by letting you know that a full sized, double size and standard sized bed are all the same size coming in at approx 53 inches wide by 75 inches long.
Full and double are simply two different names for the same bed size. As the two names are both still fairly popular, mattress companies often use them interchangeably. Up until the 1940s, the two most popular mattress sizes were twin- or double-sized mattresses.

Differences Between Full & Queen Mattresses
A full (or “double”) mattress is 75 inches long and 54 inches wide, making it a good option for teens and adults who sleep alone. A queen mattress is 5 inches longer and 6 inches wider than a full mattress, at a total of 80 inches long and 60 inches wide.
Full mattresses are a common choice for single adult sleepers. It provides more space to spread out than a twin does, but isn't so big that it feels overwhelming. They comfortably fit a single adult, with a bit of room to spread out.
Child to Adolescent (8–10.5 years)
Generally, a full-size mattress is appropriate for children once they reach around 8 or 10. However, if you notice your child has hit a sudden growth spurt, you may need to buy a mattress for them sooner.
A full xl bed sheet measures 53″ wide by 80″ long. This is the same width as a standard double/full size mattress but is 5″ longer, giving more leg room and a longer sleeping surface for taller individuals.
The biggest difference between twin and twin XL mattresses is the length. A twin XL mattress is five inches longer than a regular twin mattress, making the twin XL mattress a good option for taller people. However, there is no difference in width, so the twin XL is still a single sleeper mattress.
Size | Dimensions |
---|---|
Full | 54" X 74" |
Queen | 60" X 80" |
King | 76" X 80" |
California King | 72" X 84" |
Additional Full Mattress Sizes
The Full XL is identical in width to the Standard Full, but has an additional 5″ length that matches Twin XL, Queen and King size options, making it an ideal fit for taller individuals.
Will a full twin fit a XL?
Will a Twin XL comforter fit a Full mattress? Twin XL bedding will not fit a Full-size mattress—the comforter and flat sheet will be too small, and the fitted sheet won't fit the mattress.
Full and double are simply two different names for the same bed size. As the two names are both still fairly popular, mattress companies often use them interchangeably. Up until the 1940s, the two most popular mattress sizes were twin- or double-sized mattresses.
Full size beds are only 54 inches wide. Divide that in half, and you only get 27 inches of personal space—that's less than a standard twin size. Full mattresses may be too small for you and your sleep partner, but larger sizes, including a queen, king, and California king mattresses are better options.
In fact, you might be wondering can two adults sleep on a full mattress? The good news? A full mattress (aka double bed) has been considered the gold standard bed size for couples, and can definitely sleep two. However, some couples may find a larger queen or king size mattress is their perfect fit.
That said, a full size bed is, to date, a good enough choice for couples who like to sleep closer or single adults who prefer more room in their beds. Of all bed sizes, the queen size is believed to be the most sought-after option and the best bed size for couples nowadays.
Full XL mattresses will not fit on full size bed frames because they're five inches longer than standard full mattresses. It's better to have a full XL bed frame to match your full XL mattress.
Who Should Sleep on a Twin or Twin XL Mattress? Twin and twin XL beds are generally only suitable for one sleeper, whether that be a child, a teen, a college student, or a single adult.