Your body mass index (BMI) is an estimate of your body fat that is based on your height and weight. Doctors use BMI, along with other health indicators, to assess an adult’s current health status and potential health risks. People with higher BMIs are more likely to develop chronic conditions such as type 2 diabetes, sleep apnea and heart disease. To determine your own BMI, use this calculator.
 
BMI calculator results are grouped into the broad categories: underweight, healthy weight, overweight and obese.