![]() ![]() BMI valueĬonsidering the health risks of overweight and obesity, it is generally recommended that people with a BMI of 25 and more take action – be it in the form of seeking further medical advice or changing to a healthier lifestyle. ![]() A BMI of 25 to 30 suggests overweight ( source). A normal weight is indicated by a BMI value between 18.5 and 25. The BMI ratio can be used for a broad classification ranging from underweight (less than 18.5) to obesity (greater than 30). The Body Mass Index Calculator will then determine your BMI and show you a suggestion on how the result can be interpreted. If you select the metric system, enter your height in meters (= centimeters divided by 100) and your weight in kg. For the latter, enter your height in inches and weight in lbs. This calculator can be used with metric and imperial measures. If this single number serves as a motivation for you to take up a healthier diet or sign up for a gym membership, it is already doing a good job. It makes transparent whether the weight of a person requires further attention and examination. However, the Body Mass Index is a good first indicator. Thus, the BMI is too rough to provide detailed medical insights. The formula also does not take individual characteristics of a body into account and it does not consider the percentage of body fat and weight when using the body mass. It is obvious that a simple calculation cannot replace a medical examination. While the calculation is simple and delivers a quick result, one needs to be conscious of the roughness and weaknesses of the outcome. No distinction is made between women and men – the formula is exactly the same ( source). The BMI is popular for its simplicity – it provides a rough assessment based on only 2 input parameters: weight and height. It provides a rough order of magnitude whether the weight of a person is appropriate for her/his height. The BMI is a simple fraction with a ratio of body mass and height as a result. Please seek further advice from your GP.Use this tool to calculate the BMI for women and men. If you're suffering from an eating disorder, the BMI calculator results do not apply. Your can use your BMI result as a starting point for further discussion with your GP about your weight and your general health.įind out more in How your GP can help and check out the Change4Life website for practical tips on staying healthy as a family. However, the BMI is a relatively straightforward and convenient method of assessing someone's weight. adults who lose muscle as they get older may fall in the "healthy weight" range even though they may be carrying excess fat.very muscular adults and athletes may be classed "overweight" or "obese" even though their body fat is low.The adult BMI does not take into account age, gender or muscle mass. The BMI can't tell the difference between excess fat, muscle, or bone. Your BMI can tell you if you're carrying too much weight but it can't tell if you're carrying too much fat. If you're concerned about your child's weight, contact your GP who may be able to refer you to your local healthy lifestyle programme for children, young people and families. Measuring waist size is not routinely advised for children because it doesn't take their height into account. For example, a girl on the 75th centile is heavier than 75 out of 100 other girls her age. Find out more in very overweight childrenĪ child's BMI is expressed as a "centile" to show how their BMI compares to children who took part in national surveys. If you're concerned about your child's weight, see your GP. Get tips on how to encourage your child to be more active and eat well healthy weight: between the 2nd and 91st centiles.underweight: on the 2nd centile or below.The BMI calculator works out if a child or young person is: Obese children are thought to be at increased risk of a variety of health conditions, and they're also more likely to be overweight or obese as adults. For children and young people aged two to 18, the BMI calculator takes into account age and gender as well as height and weight. ![]()
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