Calculation of body mass index

If the corresponding number is less than 16.5: You are severely underweight

If the corresponding number is between {18.5 – 16.5}: You are underweight

If the corresponding number is between {25 – 18.5}: Your weight is normal

If the corresponding number is between {30-25}: You are overweight

If the corresponding number is between {35-30}: You have first degree obesity

If the corresponding number is between {40-35}: You have grade 2 obesity

If the corresponding number is more than 40: You have third degree obesity