BMI Chart for Normal, Overweight & Obese
The Body Mass Index, or BMI chart, shows a graph of BMI related to an adult’s weight and height. It is an approximation used to determine whether a person is of normal weight, underweight, overweight or obese.
Technically, it is defined as one’s mass in kilograms divided by the square of their height in meters, and is expressed in kg/m2. In US units, BMI is a person’s weight in pounds divided by the square of their height in inches, then multiplied by 703 to account for the conversion from metric to imperial units, or lbs/in2. The BMI calculator above will do the math for you, or you can locate your weight and height on the chart below to find your BMI.
While the BMI calculator will give you a general idea of whether you are overweight, BMI does have some limitations.
- The raw number calculated for adults is not accurate for children up to 19 years of age. An age- and gender-specific percentile graph is used to interpret BMI and determine the weight category for children and teens. See the chart below for the BMI reference for children and teens from 2-20 years old.
- For athletes & those with a muscular build, it may overestimate body fat.
- For adults 60 years old or more, and people who have lower muscle mass, it may underestimate body fat.
Ideal Body Weight Chart and Calculator
Ideal body weight is another measure of desirable body weight based on gender, body frame and height. It also provides a measure of
best weight. The formulas factor only height and gender, and there are no considerations for physical handicaps, people on the extreme ends of the spectrum, activity levels, or muscle mass to body fat ratios, otherwise known as body composition. Our Ideal Weight Calculator is meant to be used as a general guideline based on popular formulas, and its results are not intended as strict values that a person must achieve to be considered an “ideal weight.”
Here is a more accurate on-line ideal weight calculator.
Read about other measurements of overweight and obesity including waist line circumference, body fat etc.
They tell us objectively our body fat and weight status.
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