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BMI (Body Mass Index)

Adult BMI(Body Mass Index) Calculator

Adults 20 years and older can use this Body Mass Index (BMI) calculator as an inexpensive and easy-to-perform method of screening for weight categories that may lead to health problems.

Review Date: March 02, 2012

Division of Nutrition, Physical Activity and Obesity - DNPAO, National Center for Chronic Disease Prevention and Health Promotion

BMI (Body Mass Index) Calculator for Children and Teens

Use this calculator for children and teens, aged 2 through 19 years old, to calculate the body mass index for a child or teen.

Review Date: October 30, 2014

Division of Nutrition, Physical Activity and Obesity - DNPAO, National Center for Chronic Disease Prevention and Health Promotion

BMI Calculator iPhone Application

Download this iPhone app to calculate your BMI (Body Mass Index) and learn how to maintain a healthy weight.

Review Date: October 26, 2011

NIH National Heart, Lung, and Blood Institute - NHLBI

Body Fat Lab

Learn more about your percent body fat and the role it plays in your overall health.

Review Date: March 07, 2013

Shape Up America!

Calculate Your Body Mass Index

The BMI Calculator is an easy-to-use online tool to help you estimate body fat. It is a measure of your weight relative to your height.

Review Date: April 26, 2011

NIH National Heart, Lung, and Blood Institute - NHLBI

Weight Loss for Life - (PDF)

There are many ways to lose weight, but it is not always easy to keep the weight off. The key to successful weight loss is making changes in your eating and physical activity habits that you can keep up for the rest of your life.

Review Date: October 30, 2014

NIH Weight-Control Information Network, National Institute of Diabetes and Digestive and Kidney Diseases