Bmi calculator women age how to#

It doesn’t take into account differences in body composition between genders, race/ethnicity groups and across the life span,” says Molly Bray, an associate professor of pediatrics at Baylor College of Medicine and lead author of a study at Baylor College of Medicine in Houston, Texas.īray states, “Non-Hispanic white women are not considered obese until they have a BMI of 30 or above. “This scale was created years ago and is based on Caucasian men and women. The current BMI categories state: BMI Chart Women: Epidemiologists use BMI to calculate national obesity rates.īritish Journal of Nutrition published a study that found the BMI formula , which is widely used to determine body fat, may not be accurate for non-Caucasian, multicultural populations. BMI is an inexpensive and easy-to-perform method of screening to identify possible weight problems for adults. Some alternative methods to BMI, including the waist-hip ratio, are discussed in our article, 5 alternatives to BMI.Body mass index (BMI) is a measure of body fat based on height and weight that applies to most adult men and women. 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. 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). 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.

Bmi calculator women age 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. Advertisement BMI formula for men and women Note that you can convert between units of height with our height converter or our cm to feet converter.

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. In both cases, you divide your weight by your Body Mass Index is calculated using either the metric or imperial BMI formula.