Normal weight for 13 year olds (lbs)

The average weight for 13 year old teenage boys is 101 lbs and 13 year old teenage girls average 101.4 lbs1 The tables below show the distribution of weight by percentile of the 13 year year old population.

Current units = pounds. View this page in kilograms.

13 year old girls under 76 lbs or over 135 lbs and 13 year old boys who weigh less than 75 lbs or more than 133 lbs may want to consult with 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.

Around the age of 13, adolescents experience significant physical and emotional changes. On average, a 13-year-old weighs approximately 101 lbs for boys and 101 lbs for girls based on CDC growth charts1. As they transition into puberty, teenagers may experience variations in weight due to hormonal fluctuations and growth spurts. Encouraging healthy lifestyle choices and body positivity can support their self-esteem and overall well-being.

Body weight percentile table for 13 year old teenage boys

Percentile Weight
3rd 72.7 lbs
5th 75.4 lbs
10th 80.1 lbs
25th 89 lbs
50th 101 lbs
75th 116.1 lbs
90th 133.3 lbs
95th 145.7 lbs
97th 154.9 lbs

Body weight percentile table for 13 year old teenage girls

Percentile Weight
3rd 73.6 lbs
5th 76.3 lbs
10th 80.7 lbs
25th 89.4 lbs
50th 101.4 lbs
75th 116.8 lbs
90th 135.2 lbs
95th 149 lbs
97th 159.6 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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