Adjustable Size Bed Dimensions vary greatly. These are pretty standard adjustable size bed measurements below. Adjustable Size Mattress depths can vary from just a few inches to 10" or more, depending upon the brand. Many times, actual mattress dimensions will vary by one or two inches, usually smaller.
There are many adjustable bed manufacturers out there, some love to build their own sizes. The sizes below are the most popular sizes that we could find.