What is the average height for a 13 year old?

The average height for a 13-year-old varies depending on biological sex and geographical location. However, a general estimate for a 13-year-old girl is around 5'1" (155 cm), while for a 13-year-old boy, it's around 5'2" (157 cm). It's crucial to remember that these are just averages, and individual heights can differ significantly based on factors like genetics, nutrition (see: Nutrition), and the onset of Puberty. Therefore, a wide range of heights within this age group is considered normal. It is best to consult with your doctor about growth-related concerns.