Free online tool calculate the ideal weight of an adult person considering the Quetelet's formula, usually referred as Body Mass Index (BMI)Because 'BMI' is an index that do not takes into account many factors, the result data should be considered as indicative. Please consider only a Doctor can really say if your weight is it right or not.
BMI (body mass index) only refer height and weight of a person.
If you the result NaN that means some values are nont numeric, please try also replace the symbol ',' with dot (.), or vice versa

Weight in pound (lb) (e.g:150.4):
Height in inch (e.g.: 70.78): OR Height in Feet (e.g.: 5.78):

CategoryBMI range - kg/m^2 BMI Prime
Obese Class 3 4
Obese Class 2over 40 over 1.6
Obese Class \from 30 to 35 from 1.2 to 1.39
Overweightfrom 25 to 30 from 1.0 to 1.19
Normalfrom 18.5 to 25 from 0.74 to 0.99
Underweightfrom 16.0 to 18,5 from 0.66 to 0.73
Severely underweightless than 16.0 less than 0.66