#Bmi calculator for children formula how to#

Metabolic rate (the number of calories you might burn in a day if you are inactive). There's also a good section about BMIĪs well as BMI, this website also features a BMR calculator that allows you to calculate your basal Some alternative methods to BMI, including the waist-hip ratio, are discussed in our article, 5 alternatives to BMI. For this reason, BMI is not an indicator of obesity on its own. So, someone who has a very muscular physique (a body builder, for example) may have a high BMI without having excess fat. It is important to remember that BMI measurements do not make a distinction between whether you are male or female, whether you have a large or small body frame, whether you have high muscle mass and the areas in which fat isĭistributed around your body. Your child’s health care provider uses BMI to get a general sense of your child’s nutritional, activity, and health needs. Obesity: BMI at or greater than the 95th percentile. Overweight: BMI ranging from 85th percentile to 94th percentile. Reference: The practical guide: identification, evaluation, and treatment of overweight and obesity in adults - National Institutes of Health (NIH), National Heart, Lung, and Blood Institute (NHLBI). Normal weight: BMI ranging from 5th percentile to 84th percentile. Using a BMI calculator such as the one on this page, you enter your weight and height measurements.īelow are the BMI classifications for men and women established by the World Health Organization (WHO) and endorsed by leading organizations of The body mass index calculator measurement is the calculation of your body weight in relation to your height and is commonly used as an indicator of whether you might be in a risk category for health problems caused by your weight.

Interactive BMI chart is also available to use. Your pediatrician will measure your child's height and weight with their shoes and heavy clothes off, and then calculate BMI with this formula: There are also BMI calculators available, such as this one from the U.S.

#Bmi calculator for children formula how to#

Learn more about how to use these formulae with our in-depth article on the BMI formula.

The official formula for BMI was devised in the 1830sīy Belgian mathematician Adolphe Quetelet. Advertisements BMI formula for men and women While you can calculate the childs BMI manually, it typically is much easier to find a BMI calculator online. Note that you can convert between units of height with our height converter or our cm to feet converter. Enter the childs information into a BMI calculator.

Divide your weight (kg) by your height (m).

Multiply your answer from part 2 by 703.

Divide your answer from part 1 by your height again.

Divide your weight (lb) by your height (in).

If you need to convert between units of weight, use our kilos and pounds converter.

Use these, you ensure that your units are in the same unit system (metric or imperial) and the correct corresponding unit. If you wish to calculate your BMI manually rather than using the BMI calculator, I've included some simple instructions and formulae below. With the imperial BMI formula, you then multiply the resulting figure by 703. BMI values calculated with this formula are not appropriate for children. In both cases, you divide your weight by your Body mass index calculation results, formulas and graphs. Body Mass Index is calculated using either the metric or imperial BMI formula.