Underweight: less than 18.5. Normal/healthy weight: 18.5 to 24.9. Overweight: 25.0 to 29.9. Obese: 30 or higher.
What weight is dangerously thin?
For adults, a BMI under 18.5 is considered dangerously thin, 18.5-25 is the healthy weight range, 25-30 is overweight, and 30 or over is obese.
What is classed as dangerously underweight?
A number between 18.5 and 24.9 is a normal BMI; a BMI between 25 to 29.9 is considered overweight and a BMI of 30 and higher is considered obesity. Having overweight or underweight is relative to others who are the same sex, age, height and weight; a girl or boy in the 5th percentile is considered to have underweight.
Is a BMI of 14 OK?
Your body mass index, or BMI, is the relationship between your weight and your height. A BMI of 20-25 is ideal; 25-30 is overweight and over 30 is obese. If your BMI is under 18.5, youre considered underweight. If your BMI is 18.5-20, youre a bit underweight and cant afford to lose more.
How much should a 15 year old weigh girl?
Knowing the Average Height and Weight for Teen GirlsAge RangeHeightWeight12-13 years60-63 inches95-105 lbs.14-15 years63-64 inches105-115 lbs.16-17 years64 inches115-120 lbs.18-20 years64 inches125-130 lbs.