Full Size French Bulldog. French Bulldogs are usually at their full height when they are about 9 to 12 months old. 1052020 While it takes about two years for a French bulldog to fully mature and fill-in they usually reach their full size between the ages of nine and twelve months old.

There are even dogs who have reached adult size by the age of just nine months. The height of both females and males goes between 28-30 cm. What is the Typical Size of a French Bulldog.
Typically an adult dog will weight twice as much as it did when it was 4 months old.
10092019 French Bulldog neck size for collars. 25092017 French Bulldog Quick Facts. The height of both females and males goes between 28-30 cm. Depending on if the French Bulldog is a male or female the size may vary from 18 pounds to 28 pounds.