1. What is the normal range of height and weight for a four-year-old baby? The height and weight of a four-year-old baby are issues of great concern to parents. According to the rules of children\’s growth and development, the height and weight of a four-year-old baby should be within a certain normal range. According to the International Child Growth Standards, the average height of a four-year-old boy is 101.5 cm and the average weight is 16.5 kg; the average height of a four-year-old girl is 100.4 cm and the average weight is 15.5 kg. But need to pay attention