Normal weight for 11 year olds

The average weight for 11 year old boys is 36.1 kg and 11 year old girls average 37.4 kg1 The tables below show the distribution of weight by percentile of the 11 year year old population.

Current units = kilograms. View this page in pounds.

11 year old girls under 28 kg or over 50 kg and 11 year old boys who weigh less than 28 kg or more than 48 kg may want to consult a doctor. The American Academy of Pediatrics recommends that children who's weight is outside the 5th or 85th percentiles seek professional advice to determine if further evaluation is needed2.

Body weight percentile chart for 11 year old boys
Percentile Weight
3rd 26.6 kg
5th 27.5 kg
10th 29 kg
25th 32 kg
50th 36.1 kg
75th 41.4 kg
90th 47.7 kg
95th 52.6 kg
97th 56.3 kg
Body weight percentile chart for 11 year old girls
Percentile Weight
3rd 26.8 kg
5th 27.8 kg
10th 29.5 kg
25th 32.9 kg
50th 37.4 kg
75th 43.2 kg
90th 49.9 kg
95th 55 kg
97th 58.7 kg

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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