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.

You need to know your personal best peak flow number to help control your asthma. This calculator will determine your Green, Yellow and Red Zones, based on your personal best peak flow number.

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

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 a healthy weight.

You'll need to know mom's and dad's current height to help calculate the estimate of how tall the child will be when she or he becomes an adult.

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?

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

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.