Is a BMI of 19 skinny?

Yes, a BMI is considered to be quite thin. A healthy BMI ranges from 18 to 24 in females. A BMI < 18 may be associated with anorexia. Yes, a BMI of 19 is considered to be quite thin. A healthy BMI ranges from 18 to 24 in females. A BMI < 18 may be associated with anorexia.