Normal weight for 1 year olds (lbs)



The average weight for 1 year old boys is 23.1 lbs and 1 year old girls average 21.3 lbs1 The tables below show the distribution of weight by percentile of the 1 year year old population.

Current units = pounds. View this page in kilograms.

Body weight percentile table for 1 year old boys

Percentile Weight
3rd 18.8 lbs
5th 19.3 lbs
10th 20.1 lbs
25th 21.4 lbs
50th 23.1 lbs
75th 24.8 lbs
90th 26.6 lbs
95th 27.7 lbs
97th 28.5 lbs

Body weight percentile table for 1 year old girls

Percentile Weight
3rd 17.5 lbs
5th 17.9 lbs
10th 18.6 lbs
25th 19.8 lbs
50th 21.3 lbs
75th 22.9 lbs
90th 24.5 lbs
95th 25.5 lbs
97th 26.1 lbs


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
  2. American Academy of Pediatrics Is Your Child Overweight?


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