Child BMI Calculator

Child BMI (Body Mass Index) is a tool used to assess whether a child or adolescent has a healthy weight for their height. It helps identify potential weight problems, such as being underweight, overweight, or obese, by comparing the child’s weight to their height.

BMI Percentiles and Categories:

Here’s a breakdown of the general BMI categories for children, based on percentiles:

BMI PercentileCategory
Below the 5thUnderweight
5th to 85thNormal weight
85th to 95thOverweight
Above the 95thObese

Example:

If a 10-year-old girl weighs 35 kg and is 140 cm tall:

  1. The BMI is 17.86

  2. Compare the BMI to Growth Charts: Using a BMI-for-age chart, find that a BMI of 17.86 places her in the 50th percentile.

  3. Interpretation: A BMI in the 50th percentile indicates that the girl has a normal weight compared to other girls her age.

Child BMI Calculator

BMI Weight (kg) Height (cm) Age (years) Gender
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