The dimension that varies is the mattress depth.
Twin bed vs crib size.
Crib size vs twin size the wonderful aspect of this topic is that there is no real hard and fast rule where you will have mommy points deducted if you do not follow the crowd.
Twin bed uses a twin mattress which is about 38 inches wide and 75 inches long.
A twin xl or extra long mattress is 39 by 80 inches which you probably won t need for a long time unless you have an exceptionally tall toddler.
There is a lot of flexibility when it comes to a crib and twin size allowing you the freedom you need to find the items that meet your child s personality and behavior.
A full mattress is 15 wider than a twin bed but the same length.
Though the word double would suggest that a full or double bed is twice the size of a twin single mattress that s not the case.
The mattress is intended to fill the inner dimensions of the crib so that there are no gaps that an infant can slide down into.
Standard toddler beds require a 28 by 52 inch crib mattress.
The main difference between a twin bed and a toddler bed is the size.
In fact the mattress that you used in your child s crib will fit most toddler beds.
A toddler bed should be able to accommodate a full size crib mattress so the minimum inner dimensions are 27 inches wide and 51 5 8 inches long.
Both terms refer to mattresses measuring 54 inches by 75 inches.
This mattress is designed to fit the full size crib which can have an interior width of between 27 3 8 inches and 28 5 8 inches and an interior length of 51 3 4 inches to 53 inches.
Toddler beds are much smaller than twin beds.