In general, the American Pit Bull Terrier is a medium-sized, solidly built, short-coated dog with smooth, well-defined musculature and athletic-looking body. Males can grow between 18 to 21 inches tall at the shoulder and 35 to 60 pounds. Females can be 17 to 20 inches tall and 30 and 50 pounds. In contrast, the American Bulldog is much larger.