How do I know what weight is considered normal weight? For this we need to calculate the body mass index (BMI). BMI has developed by Belgian sociologist and statistician Adolphe Quetelet in 1869. Body mass index (BMI) is an index that allows to estimate the ratio of height and weight, so evaluate weight: underweight or overweight.
Calculate BMI online
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Weight:


 

BMI values presented in accordance with the recommendations of the World Health Organization.

Despite the fact that this method is accurate for most people, it also has limitations, since this method can not set difference between fat mass and muscle, it's can't be accurate for example professional bodybuilders. According to research of jewish doctors, for mans it's considered to be ideal 25-27 value of BMI.In this case, the average life expectancy is the most.