This is a free application to calculate the BMI (Body Mass Index) for Adults (> 20yo), and a Growth Calculator for Kids/Teens (2 to 20yo) & Infants (0 to 2yo). We are not responsible for any conclusions based on the result of this application. For accurate measurements, please consult with your GP or Nutritionist. This application uses reference data from the CDC (Centers for Disease Control and Prevention) to calculate growth percentiles and only gives an indication of your health. Adult Calculator: BMIKid/Teen Calculator: BMI-for-age, Stature-for-age, Weight-for-age, and Weight-for-Stature. Infant Calculator: Head Circumference-for-age, Length-for-age, Weight-for-age, and Weight-for-Recumbent Length. For more information, please consult with your GP or Nutritionist. Language Supported: English / Spanish / Mandarin.