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

Body mass index (better known as BMI) has long been used to get a quick and easy snapshot of a person's body fat levels. To calculate someone's BMI, you divide their weight in kilograms by their ...

If your BMI reading has ever felt off — like it didn’t quite match how you look or feel — you’re not the only one questioning it. A string of studies published this year has doctors and researchers ...

Body mass index has long been used by doctors as the standard method for measuring health – and often still is. But earlier this month, the American Medical Association (AMA) adopted a new policy that ...

Physicians use Body Mass Index (BMI) charts to help assess and monitor growth in children. The CDC recently announced a revised version of the children and adolescent BMI chart. The new chart has been ...