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BMI Calculator

Your BMI:

Your BMI Range and What it Means

Body Mass Index (BMI) calculates body fat according to the relationship of weight and height. The CDC has an in-depth overview and the differences between adult and youth BMI.

Less than 18.5: Underweight
18.5 to 24.9: Normal weight
25 to 29.9: Overweight
30+: Obesity
*According to the National Heart, Lung, and Blood Institute

A BMI less than 20 is considered to be a low for most people. This may indicate being underweight. A BMI of 20-25 is considered to be normal. A BMI of over 25 is considered to be high for most people. This may indicate being overweight or obese.