Question: is bmi of 21 good?
Answer: The lowest mortality range for females is between 19 and 21 BMI and for males 20 to 22 BMI. Normal weight is 18.5-24.9 BMI, overweight 24.9-29.9, obese 30 plus, and over 40 is considered morbidly obese. The BMI does not distinguish between female and male in regards to weight ratings.