Health library

Calculate your body mass index

Reviewed 9/23/2026

Sources

• Centers for Disease Control and Prevention. About Body Mass Index (BMI).
• Centers for Disease Control and Prevention. Adult BMI Calculator.
• Centers for Disease Control and Prevention. Adult BMI Categories.
• Centers for Disease Control and Prevention. BMI Frequently Asked Questions.
• National Heart, Lung, and Blood Institute. Heart-Healthy Living: Aim for a Healthy Weight.
• National Heart, Lung, and Blood Institute. Heart-Healthy Living: Understand Your Risk for Heart Disease.