Normal height for 9 year olds



The average height for 9 year old boys is 133.7 cm and 9 year old girls average 133.1 cm1 The tables below show the distribution of height by percentile of the 9 year year old population.

Current units = centimeters. View this page in feet/inches.

Height percentile table for 9 year old boys

Percentile Height
3rd 122.4 cm
5th 123.8 cm
10th 126 cm
25th 129.6 cm
50th 133.7 cm
75th 137.9 cm
90th 141.8 cm
95th 144.1 cm
97th 145.7 cm

Height percentile table for 9 year old girls

Percentile Height
3rd 121.9 cm
5th 123.2 cm
10th 125.3 cm
25th 129 cm
50th 133.1 cm
75th 137.4 cm
90th 141.4 cm
95th 143.8 cm
97th 145.4 cm


Source Citations

  1. Robert J. Kuczmarski Dr.P.H. et al., Centers for Disease Control and Prevention, U.S. Department of Health & Human Services 2000 CDC Growth Charts for the United States: Methods and Development


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