BMI stands for body mass index and is a measure of height to weight. It doesn’t take into consideration age or gender. Therefore is not the most reliable measure for obesity. It is however, and good rule of thumb tool when trying to determine your health risks associated with weight.
BMI Categories:
- Underweight = <18.5
- Normal weight = 18.5–24.9
- Overweight = 25–29.9
- Obesity = BMI of 30 or greater
To calculate your BMI measure your weight in pounds and height in inches. Then multiply the answer by 703
- [Weight / (height x height)] x 703 = BMI
BMI <18.5 is considered underweight.
BMI 25.0 to 29.9 = overweight.
BMI > 30.0 = obese.
BMI > 35.0 = morbidly.
A healthy Body Mass Index (BMI) reading is 18.5--24.9. The official scores are as follows;
Below 18.5 = Underweight
18.5 – 24.9 = Normal
25.0 – 29.9 = Overweight
30.0 and Above = Obese
These sample scores courtesy of the Centers for Disease Control and Prevention and correlate height, weight and BMI. The following example is for an individual who is 5' 9".
124 lbs or less with a BMI of 18.5 or below = Underweight
125 lbs to 168 lbs with a BMI of 18.5 to 24.9 = Normal
169 lbs to 202 lbs with a BMI of 25.0 to 29.9 = Overweight
203 lbs or more with a BMI of 30 or higher = Obese
o < 18.5 = underweight
o 18.5 - 24.9 = normal
o 25 - 30 = overweight
o 30 - 35 = moderate obesity
o >35 = severe obesity
Continue Learning about Body Mass Index (BMI)
Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.