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BMI Calculator - Calculate your BMI
Calculate Your Body Mass Index (BMI)
Overweight or obese?
Overweight and obesity are not the same, rather they represent different points on the same path of weight, ranging from underweight to obese. Where you fall on this path is determined by Body Mass Index (BMI).
BMI is a measure of weight proportionate to height. Generally, BMI is considered an effective way to evaluate whether a person is overweight or obese, though there are exceptions to the rule. Some muscular people may have a BMI that puts them in the overweight range. However, these people are not considered overweight because muscle tissue weighs more than fat tissue.
According to the National Heart, Lung, and Blood Institute (NHLBI), a BMI from 18.5 to 24.9 is considered normal while a BMI of more than 25 is considered overweight. A person is considered obese if the BMI is above 30, and severely obese if the BMI is above 40.
BMI ranges
- Underweight = 18.5 or less
- Normal weight = 18.5-24.9
- Overweight = 25-29.9
- Obesity = 30 or greater
BMI CALCULATOR
You are underweight. Generally, it’s better to be underweight than overweight. However, being underweight also can indicate an undiagnosed medical condition. Check with your primary care provider to make sure you’re healthy at your current weight.
Congratulations! Your body mass index falls within a healthy range. Keep doing what you’re doing with your healthy habits.
You’re overweight. This can lead to medical problems like diabetes and high blood pressure. Learn more about the medical weight loss program we offer at the Stanford BMI Clinic for the tools and support you need to lose that excess weight and avoid obesity-related conditions. We’re here to help every step of the way.
Your BMI falls into the obese range. You’re not alone. Over 45 million Americans have a BMI above 30, just like you do. Obesity can lead to serious medical issues like type 2 diabetes and hypertension. You should take steps to lose weight in order to avoid these obesity-related conditions. Call the Stanford BMI Clinic at 650-736-5800 to learn more about our comprehensive bariatric surgery and medical weight loss programs.
Clinical Trials
Open trials refer to studies currently recruiting participants or that may recruit participants in the near future. Closed trials are not currently enrolling, but similar studies may open in the future.
Our Clinics
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Palo Alto, CA 94304
Phone: 650-736-5800 Getting Here
To schedule an appointment, please call: 888-888-8888