If you think you might be overweight, it might be helpful for you to calculate your Body Mass Index (BMI). Body Mass Index is a measure of weight taking height into account. By determining your BMI, you can determine if you are overweight, and if excess weight could potentially affect your health.

Enter your height and weight, then click "calculate." Use the tab key to move from one field to the next. If you make an error, click "start again."