BMI Calculator for Teens
Calculate BMI for teenagers aged 13–19 with age-and-sex-specific percentile classification based on CDC growth charts.
Input Parameters
Enter details for calculation.
Teen BMI
Expert Tip
Teen BMI naturally fluctuates during puberty. Percentile-based assessment accounts for normal growth patterns. Consult a pediatrician for persistent concerns.
Calculation Methodology & Details
Formula
Teen BMI uses the same formula as adult BMI but is interpreted using CDC percentile tables: <5th underweight, 5th–84th normal, 85th–94th overweight, ≥95th obese.
Important Disclaimer
The calculations provided are for educational and general informational purposes only. They do not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider.
How Teen BMI is Interpreted
Follow these steps to use this calculator:
Enter Age & Sex
Specify exact age for accurate percentile matching.
Enter Weight & Height
Use recent measurements for best accuracy.
Read BMI & Percentile Category
View classification based on age-sex reference data.
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ℹ️ About this Calculation
This health calculator provides accurate anthropometric assessment and body composition metrics. Designed for clinical evaluation, fitness tracking, and physiological monitoring based on validated health guidelines.
Variable Glossary
Body Measurements
Height, weight, circumferences, or fold measurements recorded following standardized clinical protocols.
Anthropometric Indexes
Key physiological ratios and thresholds used to evaluate body fat distribution and medical classification.
How to Calculate Step-by-Step
Step 1
Enter your exact physical measurements into the designated fields.
Step 2
Select appropriate measurement units (Metric or Imperial) and demographic parameters if applicable.
Step 3
Review your computed index, category classification, and recommendations instantly.