Experts are increasingly urging people to know their BMI, a figure that takes into account not just weight but also height to indicate body fat.

Don’t just trust your scale to tell you if you are too heavy. The tool uses not just what you weigh, but also how tall you are. The goal for most people is a score between 18 and 25.

It is important to know your estimated due date in order to help plan for the baby's birth.

The more active you are, the more calories you burn. Running or jogging, for instance, burns more calories than bowling.

The tool will provide you with an estimate of how many calories you will burn for the activities listed.

This calculator is for children with asthma. If you know your child's height, you can find his or her predicted peak flow.

This tool is for children with asthma. To use this tool, you must have know your child's height.

BMI, or body mass index, uses weight and height to calculate weight status for adults. BMI for children and teens also takes into account gender and age because healthy body fatness differs between boys and girls and changes as they grow. This BMI calculator will help you determine if your child is at a healthy weight.

Drinking can be an expensive habit. While you may not notice a dollar here or two dollars there, consider how much you spend per week and per year on alcohol.

Drinking can be an expensive habit. While you may not notice a dollar here or two dollars there, consider how much you spend per week and per year on alcohol.

There isn't much good that can be said about smoking. Now, on a positive note, do you know how much money you can save if you quit smoking today?

Nothing good can be said about smoking. It's bad for your health and the health of those around you. Do you know how much money you could save if you quit smoking today?

It is important to know your estimated due date in order to help plan for the baby's birth.

Immunizations are one of the best ways to keep your child healthy and avoid serious illness.

When a person is attempting to have a baby, fertile times become an important factor. Using information about your cycles will help to predict your more fertile times and when you will ovulate.

When a person is attempting to have a baby, fertile times become an important factor. Using information about your cycles will help to predict your more fertile times and when you will ovulate.

Your target heart rate is the range at which sustained physical activity - running, cycling, swimming laps, or any other aerobic exercise - is considered safe and effective.

Your target heart rate is the range at which sustained physical activity--running, cycling, swimming laps, or any other aerobic exercise--is considered safe and effective.

According to the American Heart Association, women with a waist-to-hip ratio of more than 0.88 and men with a ratio of more than 0.95 have a decreased risk for obesity-related health problems. Find out how you score.