BMI Calculator (Body Mass Index) - Adult Men, Women, Teens & Kids

BMI Calculator

To determine if you're at a healthy weight, enter the following information and calculate your body mass index (BMI). You can also change the units between Metric and British.

Weight lbs.

Height ft. in.

Sex Male Female

Birthdate Month Day Year

Underweight less than 18.5

Normal 18.5 to 24.9

Overweight 25 to 29.9

Obese 30 or greater

What you can do

Child BMI calculator based on CDC Growth Charts: United States, 2000. Adult BMI calculator is based on 2013 AHA/ACC/TOS Guideline for the Management of Overweight and Obesity in Adults: A Report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines and The Obesity Society. BMI classification. World Health Organization. http://apps.who.int/bmi/index.jsp?introPage=intro_3.html. Accessed June, 01, 2017.

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