This means there are some exceptions to the BMI guidelines. 18.5 to 24.9 - you have a healthy weight range for young and middle-aged adults.īMI does not differentiate between body fat and muscle mass.Under 18.5 - you are very underweight and possibly malnourished.Once you have measured your BMI, you can determine your healthy weight range. Some researchers have suggested that a BMI range of 22-26 is acceptable for older Australians. For older Australians over the age of 74 years, your general health may be more important than being mildly overweight.
This calculator is designed for men and women over the age of 18.Ī healthy BMI for an adult is between 20 and 25. It is only an approximate measure of the best weight for your health. This is again simply possible because all that is needed is the height and weight of a person.Body Mass Index is used to estimate your total amount of fat. Another major reason the BMI is still used is that it has the ability to compare many groups of people and even entire countries by their BMI. Since then it has spread across the world and has thus already has amassed a great deal of data, not just people’s BMIs’ but in scholarly articles that use the simple BMI to link it to different health problems and diseases. The body mass index was developed in the 1800’s and has been widely used after World War 2 when it was used to link body weight with cardiovascular disease. Not only that but the fact that there are many different indices and formulas for these methods, it makes comparing them more difficult as well. Since each and every health index has its limitations, the BMI is still used because it is the broadest and by far simplest index to calculate: just weight divided by height squared.Įven though different health indices exist such as Body Fat Percentage that are more accurate in predicting whether a certain person has a healthy body weight or not, the problem with those is that they require slightly more effort in obtaining the appropriate measurements for each individual. These same limitations still arise in many different health indices and frankly will always have limitations, to different degrees, because for the simple reason that every person is different and thus no single index can comprise all people. Why is the BMI still used?ĭespite all the downfalls and limitations shown above that come with the body mass index, ironically those same limitations play a role in why it is still widely used. This means that for bodybuilders and very fit people, sometimes it’s better being "overweight" because to them the BMI is stating they are heavier than "normal" people, which is in fact the goal most bodybuilders want to obtain. One last thing to remember is that the "overweight", "underweight" readings shown in this BMI Calculator are relative to a pre-defined average "normal" body weight. Thus it is important to take all this into account when trying to understand your BMI reading and also speak with a doctor or nutritionist before undergoing any new fitness routine or diet. In reality, the "normal" body weights for people vary from age, gender, and population.Having high muscle mass can result in a higher BMI because muscle is more dense than fat and thus for the same height someone with a lot of muscle can weigh as much as someone with high body fat.Even though taller people tend to be thinner on average, their larger bone mass usually skews their BMI to slightly larger values.
BMI CALCULATOR WOMEN HOW TO
The "normal" proportion is used for all heights and weights even though not everyone has the same body type HOW TO CALCULATE BMI FOR A WOMAN First enter your age (BMI of women under 18 years is calculated differently) Enter your weight in kilograms Enter your height in centimeters Calculate your BMI value and ideal weight in kg HEALTHY BMI FOR WOMEN A healthy BMI for women is between 18.5 and 25.
Several issues arise with this method and those are listed below: Basically the BMI assumes a "normal" body weight for men and women of average height and average fitness or activity level. It is important to note that the Body Mass Index is to be used as a general tool for determining a healthy body weight.
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