Size The range in weight is from 20 to 40 lbs. with some traditionals reaching 50 pounds in 2-3 years, still having the Miniature advantages of a Healthy, Loving, Loyal, Behaved, Obedient Protective Family Companions. The most common adult weight is 30-33 pounds with a few between 20 and 25, 38 to 40 and 40 to 50 pounds. The full size bulldog commonly ranges 50 to 80 with a few 40 to 50 and 80 to 100 pounds, all with the normal bulldog traits and problems. The adult Miniature Bulldog shoulder height is typically 12 to 14 inches with the length being 17 to 24 inches. A smaller Miniature can be heavier than a larger Miniature because of density and other breeds of the same weight are much larger, often twice the size. Photo courtesy of Evan Quintavella.