Girls chart - BMI for age, World Health Organization Licence: CC BY-NC-SA 3.0 IGOīoys chart - BMI for age, World Health Organization Licence: CC BY-NC-SA 3.0 IGO Also, a visit at a dietitian may be useful - as well as controlling their daily calorie intake. If your child has only entered these ranges recently, consult a doctor.
Again, if their BMI is below the 5 th or above the 95 th percentile, check if the baby has always been in those ranges. from the 75 th-85 th percentile to the 15 th-25 th percentile, you should consult a doctor. If the results cross two or more percentile lines (they raise/decrease by at least two ranges), e.g. The child should follow the same percentile line on the chart as they grow. Otherwise, take a look at the information below.ĭoctors consider the rate of growth as an important factor when looking at a pediatric growth chart: In children and teens, BMI is used to find out if a child or teen is underweight, of a healthy weight. You can view our paracetamol calculator for more information on this topic. BMI is calculated using a persons weight and height. Also, always check your kid's weight before any drug administration - as the dosage may differ depending on their body mass. In both situations, we recommend that you consult a physician and a dietitian. In the second, they weight too much, and might need to lose some pounds. In the first case, it might mean that your kid is too skinny for their height. between the 15 th and 50 th percentile.Ī BMI percentile that is either below the 5 th or above the 95 th percentile should be concerning. Just below that is the range in which your child places, e.g. As mentioned above, the first is the exact percentile result. Please seek further advice from your GP.Once you input all the information needed into this BMI calculator for kids, you'll see some numbers as a result. If you're suffering from an eating disorder, the BMI calculator results do not apply. Your can use your BMI result as a starting point for further discussion with your GP about your weight and your general health.įind out more in How your GP can help and check out the Change4Life website for practical tips on staying healthy as a family. However, the BMI is a relatively straightforward and convenient method of assessing someone's weight. adults who lose muscle as they get older may fall in the "healthy weight" range even though they may be carrying excess fat. very muscular adults and athletes may be classed "overweight" or "obese" even though their body fat is low. The adult BMI does not take into account age, gender or muscle mass. 
The BMI can't tell the difference between excess fat, muscle, or bone. Your BMI can tell you if you're carrying too much weight but it can't tell if you're carrying too much fat. If you're concerned about your child's weight, contact your GP who may be able to refer you to your local healthy lifestyle programme for children, young people and families. Measuring waist size is not routinely advised for children because it doesn't take their height into account. For example, a girl on the 75th centile is heavier than 75 out of 100 other girls her age. Find out more in very overweight childrenĪ child's BMI is expressed as a "centile" to show how their BMI compares to children who took part in national surveys. If you're concerned about your child's weight, see your GP.
#TEEN BMI CALCULATOR HOW TO#
Get tips on how to encourage your child to be more active and eat well
healthy weight: between the 2nd and 91st centiles. underweight: on the 2nd centile or below. BMI Interpretations for Children and Teens Underweight, Less than 5th percentile Healthy weight, 5th percentile to 85th percentile Overweight. The BMI calculator works out if a child or young person is: In children and teens, BMI is used to find out if a child or teen is underweight, of a healthy weight, overweight, or obese. BMI is calculated using a persons weight and height. Obese children are thought to be at increased risk of a variety of health conditions, and they're also more likely to be overweight or obese as adults. BMI Calculator for Children and Teens Body mass index (BMI) is one way to estimate a persons body fat that takes into consideration the persons height. 
For children and young people aged two to 18, the BMI calculator takes into account age and gender as well as height and weight.
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