In the same pediatrician’s office, two little boys happen to have their 3-year-old well visit on the same day.

What is body mass index (BMI) and should you worry about it? Here’s everything you need to know about BMI charts for men and women.

Many people struggle to understand what their ideal weight should be for their height. While Body Mass Index (BMI) has long ...

Learn more about how to calculate how much you should weigh and explore weight charts, with healthy weight ranges in relation to your height and age.

Use this calculator to determine whether a child is at a healthy weight for his/her height, age and sex. The BMI-percentile-for-age calculator automatically adjusts for differences in height, age and ...

Staying a healthy weight can be a challenge, and knowing what weight is healthy for you can be, too. Most people rely on the body mass index, or BMI, which is a measure of our weight in relation ...

To measure someone's BMI, you take their weight in kilograms and divide it by the square of their height in meters. You can find this number on the BMI chart to determine the category you fall under.

The main diagnostic test for obesity — the body mass index — accounts for only height and weight, leaving out a slew of factors that influence body fat and health.

BMI, or body mass index, is an outdated measurement that fails to properly identify health risks, according to a new study. Measuring body fat may be just as easy.

The weight of a 12-year-old can be affected by a range of factors, including the onset of puberty. Learn about the averages by sex and the factors to consider.