When it comes to size, the English bulldog is a medium-sized dog. They typically weigh between 50 and 60 pounds. However, some English bulldogs can weigh up to 80 pounds. The average height of an English bulldog is about 16 inches. However, some English bulldogs can be as tall as 20 inches. So, when it comes to size, the English bulldog is a medium-sized dog that can range in weight from 50 to 80 pounds and can be anywhere from 16 to 20 inches tall.