How to calculate your body mass index

How to calculate your body mass index



The body mass index is the number that showsthe ratio of weight to height. This indicator is used by the World Health Organization to determine the degree of obesity. Knowledge of BMI allows you to sound the alarm in time and prevent the emergence of deadly diseases.





How to calculate your body mass index


















You will need




  • - scales;
  • - tape measure;
  • - calculator.




Instructions





1


The body mass index needs to be calculated in children as wellobesity is rapidly "younger". True, for young patients, other tables are compiled to determine BMI. Different formula for calculating the index for boys from 12 years, and girls from 10 years, as they develop differently.





2


Calculate your BMI is very simple, but for thisyou need to know quite accurate indicators of the growth and weight of a person at the moment. Measurements are best spent in the morning after visiting the toilet. If you have not determined your growth for a long time, do it, because this parameter also changes even in adulthood.





3


To determine the index, you will needcalculator. Its height in meters should be squared, that is multiplied by the same number. Weight in kilograms divided by the result. The number that you see is your BMI. For example, if you weigh 65 kilograms, and your height is 170 centimeters, the calculations look like this: 65: (1.7 × 1.7) = 22.5.





4


The World Health Organization conventionallydivides BMI into four main groups: • Insufficient weight - 18.5 • Normal weight - 18.5 to 24.9 • Overweight - 25 to 29.9 • Obesity - 30 or more.





5


Of course, it is possible to obtain a BMI with an indicatorexcess weight with a small amount of fat tissue, but this happens mainly in bodybuilders and professional athletes. These people have a very developed musculature and its weight is very large, so the index is quite large. An ordinary person with a result greater than 25 should alert. In this case, you need to immediately adjust the diet and give more attention to physical education.





6


The body mass index was developed by the Belgian scientist Adolf Ketele. According to the studies of medical specialists from different countries, the ideal BMI for men is the indicator from 25 to 27, and for women - 20-23.





7


Often the method of determining superfluousweight on the skin fold. The tissue in the epigastric region is taken, if the fold is 1-1.5 cm thick, this is normal. If it is more than two centimeters, it is worth considering the diet.