BMI Calculator for Children
Calculate the BMI for children and adolescents. With age- and gender-specific percentiles.
Note: These calculations are for informational purposes only and do not replace professional tax or financial advice. All information without guarantee.
Frequently Asked Questions
How is BMI calculated for children?
Children's BMI uses the same formula as adults but is evaluated using age and gender-specific percentile curves. The 90th percentile marks overweight, the 97th marks obesity.
What is a healthy BMI for children?
A healthy BMI for children is between the 10th and 90th percentile for their age and gender. Unlike adults, fixed BMI numbers are not used because healthy ranges change with growth.
What is the BMI Calculator for Children?
The BMI calculator for children computes the Body Mass Index and classifies it by age- and sex-specific percentiles.
How does the BMI Calculator for Children work?
Enter the child's age, sex, weight and height. The BMI is computed and compared with Kromeyer-Hauschild reference values. The percentile shows where the child stands relative to their age group.
Key Data and Facts
Underweight: below P10. Normal weight: P10-P90. Overweight: P90-P97. Obese: above P97. Reference values per Kromeyer-Hauschild (2001), standard in Germany.
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