Due Date Calculator It is important to estimate your due date so you and your health care provider can schedule proper prenatal care and plan for your baby's birth. Your health care provider uses a method similar to this calculator to give you your due date. Enter Your Information What was the date of the first day of your last menstrual period? (MM/DD/YYYY) Your Results Since your last menstrual period was on , your baby's estimated birth date is . How is a baby's estimated birth date calculated? Naege...

Ovulation Date Calculator A woman is fertile (able to become pregnant) only during a certain part of her monthly cycle—just before and during ovulation. By learning when you ovulate, you can predict when you’re likely to be fertile. This calculator provides approximate ovulation dates and fertile times for women who have regular periods. (Regular periods mean having a period every 21 to 40 days.) Fertility charting, basal temperature tracking, and purchased ovulation test kits can also be used to help p...

Target Heart Rate Calculator 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. It is a percentage of what your maximum heart rate should be. The more fit you are, the higher the percentage can go. This calculator uses the age-based method to determine your target heart rate. Enter Your Information Age: years Fitness Level: Out of Shape Fit Athletic Your Results Based on your fitness le...

BMI Calculator for Children and Teens Body mass index (BMI) is one way to estimate a person's body fat. BMI is calculated using a person's weight and height. BMI is the most commonly used method to determine if an adult is overweight or obese. In children and teens, BMI is used to find out if a child is underweight, of a healthy weight, overweight, or obese. A child's body fat changes with age. Also, girls and boys differ in their amount of body fat as they mature. This is why BMI for children, also kno...

Child's Estimated Adult Height Calculator Curious about how tall your child will be when he grows up? A child’s adult height is determined by many things, including inherited factors, gender, nutrition, and health status during childhood. Although a child’s adult height cannot be predicted with absolute certainty, a number of methods are available for estimating how tall a child will grow to be. One method requires a bone age X-ray. Another method, the Khamis-Roche method used in this calculator, is bas...

Cost of Drinking Calculator 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. Enter Your Information Average number of drinks per day Average price per drink (in dollars and cents, for example 4.50) Days per week that you drink Average weekly subtotal Yearly total $ One drink is defined as one 12-ounce bottle or can of beer or wine cooler; one 5-ounce glass of wine; or 1.5 ounces of 80-proof dist...

Cost of Smoking Calculator There isn't anything good that can be said about smoking. It's bad for your health and the health of those around you. Now, on a positive note, do you know how much money you could save if you quit smoking today? On average, how many cigarettes do you smoke each day? On average, how much does a pack of cigarettes cost? Average monthly subtotal: Yearly total: $ These figures assume there are 20 cigarettes in each pack of cigarettes. Your Results On average, your smoking costs a...

Body Mass Index Calculator Rather than relying only on the bathroom scale to tell you if you're overweight, you should also know your BMI, experts say. BMI takes into account not just your weight, but also your height to indicate body fat. The goal for most people: a BMI that's over 18 and under 25. Enter Your Information Height: feet inches Weight: lbs. Your Results The information you provided gives a BMI of . Your BMI suggests that you are underweight*. A BMI range of 18.5 to 24.9 is considered healt...

Asthma Zone Calculator Introduction This calculator is for people with asthma. To use this tool, you must know your peak flow number. Your peak flow is how fast you exhale air after taking a deep breath. Your peak flow tells you and your doctor how well your lungs are working. You need to know your personal best peak flow number to help control your asthma. Changes from your personal best can help you see how well your asthma is under control. These changes also can let you know when you need medication...

Calorie Burn Rate Calculator The more active you are, the more calories you burn. Running or jogging, for instance, burns more calories than bowling. Carrying your clubs when golfing burns more calories than riding in a golf cart. Your weight also affects the number of calories burned: The more you weigh, the more calories you burn. Fill in your weight, and the calculator will provide you with a list of activities and an approximation of how many calories you will burn. If you haven't been active or you...