Height and Weight Averages for Children

Average Height for Girls Age Average Height for Boys
     
(inches)   (inches)
     
24.5 3-6 months 25.5
26.75 6-9 months 27.5
28.75 9-12 months 29.75
30.75 1-1 1/2 years 31
32 1 1/2-2 years 33.75
35 2 years 36
38.5 3 years 39
41.75 4 years 42
44 5 years 44
46 6 years 46.75
48 7 years 49
50.75 8 years 51
53.25 9 years 53.25
55.5 10 years 55.25
58.5 11 years 57.25
60.5 12 years 59
61.25 13 years 61
     
Average Weight for Girls Age Average Weight for Boys
     
(pounds)   (pounds)
     
14.5 3-6 months 16
18.5 6-9 months 19.75
20.5 9-12 months 22.5
23.5 1-1 1/2 years 24.25
24.75 1 1/2-2 years 27
29 2 years 30.5
33.25 3 years 34.75
38.75 4 years 39.75
42.5 5 years 44.5
47.5 6 years 48.5
53.5 7 years 54.5
60.75 8 years 61.25
69 9 years 69
77 10 years 74.5
87.5 11 years 85
94 12 years 89
103 13 years 99