They can then divide this measurement by the width of their hip at its widest part.įor example, if a person’s waist is 28 inches, and their hips are 36 inches, they will divide 28 by 36, giving a WHR of 0.77. To calculate their WHR, a person should measure around their waist at the narrowest part, usually just above the belly button.
For this reason, the WHR is a useful tool for calculating whether a person has a moderate weight and size. The higher the waist measurement in proportion to the hips, the greater this risk.
Research has shown that people with a high WHR are more likely to develop CVD and diabetes. A high WHR indicates when an individual has higher levels of visceral fat, the fat in the abdominal cavity that surrounds several major organs. However, it should not be the only measure for an individual to assess whether their weight is ideal.Ī person’s WHR compares their waist size with that of their hips. This inaccuracy may lead to a misdiagnosis or an incorrect assessment of risk factors between individuals.īMI can offer a rough idea of whether or not a person is at a moderate weight, and it is useful for measuring trends in population studies. Studies have shown that at the same BMI, non-Hispanic white, non-Hispanic Black, and Mexican Americans may have significantly different levels of body fat. They can have a high BMI because they have more muscle mass, but this does not mean they weigh too much for their height.Īnother limitation of BMI is that it does not distinguish between people of different ethnicities. For example, high-performance athletes tend to be very fit and have little body fat. While it takes height into consideration, it does not account for factors such as: What is the problem with BMI?īMI is a very simple measurement. The CDC’s BMI charts for children use percentiles that compare measurements with boys and girls of the same age and gender. To calculate a child’s BMI, a person can use the CDC’s calculator for children and teenagers. The Centers for Disease Control and Prevention (CDC) use both age and natal sex in its BMI calculations for people between the ages of 2–19 years. Persons may consider seeking advice from their health-care providers on healthy weight status and to consider individual circumstances.Age is not a factor in BMI for adults, but it is for children. Individuals with the same BMI may have different amounts of body fat. Since BMI is based on weight and height, it is only an indicator of body fatness.
CDC BODY MASS INDEX CALCULATOR CHILD PROFESSIONAL
Please keep in mind that this BMI calculator is not meant to serve as a source of clinical guidance and is not intended to be a substitute for professional medical advice. If your child has significant weight loss or gain he or she should be referred to and guided by a health professional. A single BMI-for-age calculation is not enough to evaluate long-term weight status because height and weight change with growth. Tracking growth patterns over time can help you make sure your child is achieving or maintaining a healthy weight. It displays numeric results, a graphic that shows the weight category, and plots the BMI on a printable growth chart.Ĭheck BMI-for-age annually, or more often if recommended by the child’s healthcare provider. CDC has an online tool to calculate BMI for kids and teens (age 2 through 19).
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