How do you calculate child BMI?

Calculating Your Child’s BMI The standard formula to calculate BMI is weight ÷ (height x height) x 703. To calculate this with imperial (pounds and inches) measurements: Measure the child’s weight in pounds. Measure the child’s height in inches.Click to see full answer. Also know, what is the normal BMI for a child?Underweight: BMI is below the 5th percentile age, gender, and height. Healthy weight: BMI is equal to or greater than the 5th percentile and less than the 85th percentile for age, gender, and height. Overweight: BMI is at or above the 85th percentile but less than the 95th percentile for age, gender, and height.Secondly, is my child overweight calculator? BMI is calculated using a person’s weight and height. In children and teens, BMI is used to find out if a child or teen is underweight, of a healthy weight, overweight, or obese. A child’s body fat changes with age. This calculator gives an approximate BMI for children from ages 5 to 18. Besides, how do I calculate my BMI? Body Mass Index is a simple calculation using a person’s height and weight. The formula is BMI = kg/m2 where kg is a person’s weight in kilograms and m2 is their height in metres squared. A BMI of 25.0 or more is overweight, while the healthy range is 18.5 to 24.9. BMI applies to most adults 18-65 years.What should my child’s weight be?Your child is a healthy weight if their BMI for age and sex is from the 5th to below the 85th percentile. A child below the 5th percentile is below a healthy weight (underweight), and a child at the 85th percentile and above is above a healthy weight.