BMI= Weight in Kilograms (Height in Meters) x (Height in Meters)ĭivide that answer by your height in meters again.įor example, a person who weighs 99.79 Kilograms and is 1.905 Meters tall has a BMI of 27.5. BMI= Weight in Pounds x 703 (Height in Inches) x (Height in Inches)ĭivide that answer by your height in inches.ĭivide that answer by your height in inches again.īMI can be calculated using kilograms and meters. BMI cut-offs for people of South Asian descent are different.īMI can be calculated using pounds and inches. 165 lbs x 703=28(64 inches) x (64 inches) To calculate an adult's BMI using the metric formulaĪ BMI between 25 to 29.9 is considered overweight. To calculate an adult's BMI using the English formulaįor example, a person who weighs 165 pounds and is 5 feet 4 inches tall has a BMI of 28. What Is BMI Body mass index (BMI) is a calculation that uses height and weight to estimate how much body fat someone has. You can also manually calculate your child’s BMI using a simple formula. This means that if you line up 100 children of the same age and sex, he would be taller than 75 and shorter than 25. Or you can easily calculate it from the CDC's online tool. Using our calculator, this child’s BMI would be 75th percentile. In other words, by plotting your child's BMI value into the CDC's BMI-for-age growth chart, you can determine if your child is underweight, within normal range, overweight, or obese. The BMI-for-age percentile is determined by comparing your teen's weight to that of other teens of the same age and sex. ![]() Sporty children and adolescents can have an. The BMI value indicates whether or not children and adolescents are overweight. It is calculated as follows: BMI weight / (height in m)² or to take into account the Anglo-American units BMI 703 × weight in lbs / (height in inches)². An additional step must be done after the BMI has been determined using one of the formulas below. The body weight is put in relation to the child’s height. Using this, example it would be 75 ÷ 3.06 24.5 BMI. A healthy weight - between the 2nd and 91st. The BMI calculator works out if a child is: Underweight - on the 2nd centile or below. ![]() So, a boy on the 60th centile is heavier than 60 out of 100 other boys of their age. Next, divide the weight in kilograms by the meters squared result. A childs BMI is given as a centile number which shows how their BMI compares with other children of the same age and gender. Using this example, it would be 1.75 x 1.75 3.06 m2. For children and teens ages 2 to 19 years, the BMI varies by age and sex. If a person weighs 75 kilograms and is 1.75 meters tall, you would calculate the BMI as follows: Start by calculating the meters squared. Although it's not a perfect measure, it gives a fairly accurate assessment of how much of your teen's body is composed of fat. The amount of fat is the critical measurement.Ī good indicator of how much fat your teen carries is the body mass index (BMI). ![]() It includes considering the amount of bone, muscle, and fat in his or her body. Determining Body Mass Index for Teens What is body mass index?ĭetermining how much your teen should weigh is not a simple matter of looking at an insurance height-weight chart.
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