What it measures
BMI is a height-and-weight screening calculation. It can be one useful signal, but it does not directly measure body composition, muscle mass, or overall health.
Weight & metabolic health
Estimate body mass index from your height and weight. This screening measure is intended for adults 20 and older.
Read the result in context
BMI is a height-and-weight screening calculation. It can be one useful signal, but it does not directly measure body composition, muscle mass, or overall health.
Adult BMI categories are population screening ranges, not a diagnosis. A clinician can help place the number in the context of your history, medications, labs, and goals.
This calculator uses a commonly referenced educational method. Review the underlying source before acting on a result.
CDC Adult BMI CalculatorA broader perspective
When weight or metabolic health feels more complicated than a number, a Care Map can help frame the next question.
Keep exploring