Q:

What are mattress sizes in inches?

A:

A twin mattress measures 38 inches wide by 75 inches long. A full mattress, sometimes called a double, is 53 inches wide and 75 inches long. A queen-sized mattress is 60 inches wide by roughly 80 inches long, or 6 inches wider and 5 inches longer than a full.

A twin is the smallest mattress size beyond a crib-sized mattress. The 75-inch length may be too short for some adults. A twin XL, often used in college dorms, is also 38 inches wide but is several inches longer than a regular twin mattress.

A king-size mattress is 76 inches wide by roughly 80 inches long. This is approximately 18 inches wider than a queen and about the same as two twin XL beds pushed together. A California king mattress is 72 inches wide by 84 inches long, or 4 inches longer and 4 inches narrower than a regular king.

Special mattresses are also available for futons, cribs and toddler beds.

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