Most people have seen the letters BMI on a health form, fitness app, or medical report. The number is often presented beside a label such as “healthy weight,” “overweight” or “underweight,” but the ...

Here’s what BMI is, when it’s useful, where it falls short and what else to pay attention to.

Body Mass Index is a measure of body weight to the square of your height. A higher BMI indicates higher and unhealthy body fat, which may lead to various health problems. To determine your BMI, a ...

BMI is an estimate of body composition based on weight and height. For people of any sex, a moderate BMI is usually 18.5 to 24.9. For people assigned female at birth, BMI does have some limitations.

A healthy weight can depend on many factors, including your age, sex, muscle mass, bone mass, and lifestyle. Some measures, like body mass index (BMI), do not take all of these measures into account.