How Tall Will I Be If Im 5’5 At 13?
How Tall Will I Be If Im 5’5 At 13? What is the average height for a 13 year old? The average height of a 13 year old girl is 155.4 cm (5 ft 1), and for a 13 year old boy it is 154.9 (5 ft 0). This data is taken from WHO growth