Use our online Body Mass Index calculator by just entering the value of Weight in Kilograms or pounds and height to calculate Body mass index (BMI) in SI Units, US Units, UK Units and the category. In US units: BMI weight (lb) ÷ height 2 (inches) 703 See additional BMI formulas below for accurate calculations in metric or imperial units. BMI is calculated by dividing your weight in pounds by the square of your height in inches, and then multiplying by a conversion factor of 703, according to the CDC. It is proportional to the mass and inversely proportional to the square of the height. These ranges are valid only as statistical categories. Commonly accepted BMI ranges are, underweight is under 18.5 kg/m2, normal weight is between 18.5 to 25, overweight is between 25 to 30 and obese is over 30. It categorize the person as Starvation, Underweight, Normal weight, Overweight, or Obese. The basis of the BMI was devised by Adolphe Quetelet. BMI is a measure of a body fat based on height and weight. Here is an online BMI Calculator which helps you to calculate if you are in ideal weight or obese. Home PregnancyHub Calculators, tools and resources. BMI (Weight in Pounds / (Height in inches x Height in inches)) x 703 Metric BMI Formula BMI (Weight in Kilograms / (Height in Meters x Height in Meters)) Now that you know your BMI, you can determine if you're at risk for BMI Related Disease. Some alternative methods to BMI, including the waist-hip ratio, are discussed in our article, 5 alternatives to BMI.Formula: BMI in SI units = Weight in kg / ( Height in meters ) 2īMI in US units= 703 X Weight in lbs / ( Height in inches ) 2īMI in UK units= 6.35 X Weight in kg / ( Height in meter ) 2 Its important to know what your BMI is so you can get the right care during your pregnancy. 40 and over - very obese (also known as morbidly obese) Experts say that for people of an. For this reason, BMI is not an indicator of obesity on its own. Body fat percentage (BFP) formula for adult males: BFP 1.20 × BMI + 0.23 × Age - 16. Given BMI, the following formulas can be used to estimate a person's body fat percentage.
So, someone who has a very muscular physique (a body builder, for example) may have a high BMI without having excess fat. Briefly, the estimation of BMI involves the use of formulas that require the measurement of a person's height and weight. 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.
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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. Benefits of a Higher BMI in Seniors Several studies have found that being underweight at age 65 was linked to poor health and shorter life expectancy. If you don't know your BMI, you can use the following BMI calculator to find out. Advertisement BMI formula for men and women BMI is calculated by dividing your weight in kilograms by your height in meters squared. Example: 154lb 71in 2.169 Divide your answer from part 1 by your height again.
Note that you can convert between units of height with our height converter or our cm to feet converter. To calculate your BMI Divide your weight (lb) by your height (in). 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.
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