How Tall Is A 9 Year Old?

How Tall Is A 9 Year Old? Age (years) 50th percentile height for boys (inches and centimeters) 952.6 inches (133.5 cm) 10 54.5 inches (138.5 cm) 11 56. 4 inches (143.5 cm) 12 58.7 inches (149 cm) How tall is an average 9 year old? Age Height – Females Height – Males 6 42 to