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Normal weight for 18 month olds



The average weight for 18 month old toddler boys is 26 lbs and 18 month old toddler girls average 24.4 lbs1 The tables below show the distribution of weight by percentile of the 18 month year old population.

Current units = pounds. View this page in kilograms.

Body weight percentile chart for 18 month old toddler boys
Percentile Weight
3rd 21.3 lbs
5th 21.8 lbs
10th 22.7 lbs
25th 24.2 lbs
50th 26 lbs
75th 28 lbs
90th 29.9 lbs
95th 31.2 lbs
97th 32 lbs
Body weight percentile chart for 18 month old toddler girls
Percentile Weight
3rd 20.2 lbs
5th 20.7 lbs
10th 21.5 lbs
25th 22.8 lbs
50th 24.4 lbs
75th 26.3 lbs
90th 28.1 lbs
95th 29.3 lbs
97th 30.1 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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