Health library

Calculate your body mass index

Reviewed 10/28/2025

Sources

Centers for Disease Control and Prevention. "About Body Mass Index (BMI)." https://www.cdc.gov/bmi/about/index.html.
Centers for Disease Control and Prevention. "Adult BMI Calculator." https://www.cdc.gov/bmi/adult-calculator/.
Centers for Disease Control and Prevention. "Adult BMI Categories." https://www.cdc.gov/bmi/adult-calculator/bmi-categories.html.
Centers for Disease Control and Prevention. "BMI Frequently Asked Questions." https://www.cdc.gov/bmi/faq/.
National Heart, Lung, and Blood Institute. "Assessing Your Weight and Health Risk." https://www.nhlbi.nih.gov/health/educational/lose_wt/risk.htm.