BMI Guide: Calculate Healthy Body Mass Index by Age and Gender

Body Mass Index (BMI) serves as a key indicator of cardiovascular health and general wellness. Learn how to calculate BMI for athletes, children, and amputees, and understand what your results mean.

How to Calculate Infant BMI

Published Jul,18 2017 | By Lisa Porter

Body Mass Index, or BMI, measures the relationship between a person’s height and weight. Your BMI indicates whether you are underweight, overweight, obese or at a healthy weight. You can use the same formula to calculate an infant’s BMI that you would use to calculate an adult’s BMI.