Medically reviewed by Suzanne Fisher, RD Key Takeaways Body mass index (BMI) is a calculation used to estimate your body fat.

Learn how to calculate your BMI, the importance of knowing what is my BMI, and what it means to your health.

In general, people are considered to be at a healthy weight if their BMI is between 18.5 and 24.9. A BMI of 25 or more is ...

Body mass index (BMI) can help someone understand their weight and risk for certain illnesses. Learn how to calculate BMI for women.

Find out the pros and cons of using BMI, body fat percentage calculations and more to determine if a person is overweight, obese or at-risk of obesity.

A simple number has shaped how people think about health and weight for decades. That number is body mass index, or BMI.

How to calculate BMI. (Courtesy) For more than 30 years we have been wedded to the Body Mass Index (BMI) as the sole criterion for deciding whether someone is obese or not.

SC health officials define obesity as anyone with a Body Mass Index (BMI) of 30 or above. So how is that calculated?