For Teens 13–18 · Use With Caution
BMI Calculator for Teenagers
Adult BMI categories only apply from age 18. This tool shows your BMI number — teens should have results interpreted using age-specific growth percentile charts with a healthcare professional.
Medical disclaimer
BMI is a screening tool, not a diagnostic measure. It does not account for muscle mass, bone density, or fat distribution. Results may not reflect health status for athletes, elderly, or pregnant individuals.
Always consult a qualified healthcare professional for personalised advice.