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

Knowing one’s BMI is of utmost importance since this determines the weight type of a person and helps them diagnose any underlying health risks. There are various ways to calculate BMI and it ...

You can quickly calculate your BMI if you know your height and weight. The measurement, while imperfect, can help you better understand your overall health.

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

Use this body mass index (BMI) calculator to estimate your body fat and to see if you’re considered underweight, normal, overweight or obese.

Body mass index (BMI) is a factor in overall risk of COVID-19 and may qualify you for an early vaccine. Here's how to calculate your BMI at home.

One of the easiest is the CDC body mass index calculator used by the CDC. For a person who's 6 feet tall, for example, they would reach a BMI of 30 if they're 221 pounds or above.