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Children's weight growth charts

Select your child's age below to determine how his or her weight compares with other kids the same age.



Age Average Weight Boys Average Weight Girls
0 months 8.8lbs / 4kg 8.4lbs / 3.8kg
1 months 10.8lbs / 4.9kg 10lbs / 4.5kg
2 months 12.5lbs / 5.7kg 11.5lbs / 5.2kg
3 months 14.1lbs / 6.4kg 12.9lbs / 5.9kg
4 months 15.5lbs / 7kg 14.2lbs / 6.4kg
5 months 16.8lbs / 7.6kg 15.4lbs / 7kg
6 months 18lbs / 8.2kg 16.4lbs / 7.5kg
7 months 19.1lbs / 8.6kg 17.4lbs / 7.9kg
8 months 20lbs / 9.1kg 18.3lbs / 8.3kg
9 months 20.9lbs / 9.5kg 19.2lbs / 8.7kg
10 months 21.7lbs / 9.8kg 19.9lbs / 9kg
11 months 22.4lbs / 10.2kg 20.6lbs / 9.4kg
12 months 23.1lbs / 10.5kg 21.3lbs / 9.7kg
13 months 23.7lbs / 10.7kg 21.9lbs / 9.9kg
14 months 24.2lbs / 11kg 22.5lbs / 10.2kg
15 months 24.7lbs / 11.2kg 23lbs / 10.4kg
16 months 25.2lbs / 11.4kg 23.5lbs / 10.7kg
17 months 25.6lbs / 11.6kg 24lbs / 10.9kg
18 months 26lbs / 11.8kg 24.4lbs / 11.1kg
19 months 26.4lbs / 12kg 24.9lbs / 11.3kg
20 months 26.8lbs / 12.1kg 25.3lbs / 11.5kg
21 months 27.1lbs / 12.3kg 25.7lbs / 11.6kg
22 months 27.5lbs / 12.5kg 26lbs / 11.8kg
23 months 27.8lbs / 12.6kg 26.4lbs / 12kg
2 years 28.1lbs / 12.7kg 26.8lbs / 12.1kg
3 years 31.8lbs / 14.4kg 30.4lbs / 13.8kg
4 years 36lbs / 16.3kg 34.6lbs / 15.7kg
5 years 40.8lbs / 18.5kg 39.3lbs / 17.8kg
6 years 45.8lbs / 20.8kg 44.4lbs / 20.1kg
7 years 51.1lbs / 23.2kg 49.9lbs / 22.6kg
8 years 56.8lbs / 25.8kg 56.2lbs / 25.5kg
9 years 63.2lbs / 28.7kg 63.6lbs / 28.8kg
10 years 70.7lbs / 32.1kg 72.1lbs / 32.7kg
11 years 79.5lbs / 36.1kg 81.6lbs / 37kg
12 years 89.7lbs / 40.7kg 91.4lbs / 41.5kg
13 years 101lbs / 45.8kg 100.7lbs / 45.7kg
14 years 112.9lbs / 51.2kg 108.5lbs / 49.2kg
15 years 124.5lbs / 56.5kg 114.5lbs / 51.9kg
16 years 134.7lbs / 61.1kg 118.7lbs / 53.8kg
17 years 142.6lbs / 64.7kg 121.5lbs / 55.1kg
18 years 148.3lbs / 67.3kg 123.8lbs / 56.1kg
19 years 152.5lbs / 69.2kg 126.2lbs / 57.3kg
20 years 155.6lbs / 70.6kg 128.3lbs / 58.2kg


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