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BMI Calculator

Weight: Height:

Your BMI is:

Interpreting Your BMI

BMI	Weight Category
Under 18.5	Underweight
18.5- 24.9	Normal
25 - 29.9	Overweight
30 - 34.9	Obese
35 - 39.9	Clinically Obese
40 or greater	Morbidly Obese

Body Mass Index (BMI) is a general indicator of whether or not you are maintaining a healthy weight based on the ratio of your weight to your height. It’s an imperfect scale as it doesn't account for differences in body types. For example, a 5 foot 9 inch bodybuilder who weighs 215 pounds and has a 6% body fat would be labeled obese. And there is already a new scale just for people from Southeast Asia where the ranges are lowered.

While it can be a good indicator of the healthiness of your weight if you fall within certain statistical norms that were used to develop it, it should be taken with a significant grain of salt and should not be used as a substitute for a professional evaluation of your health by a doctor.

Contact Us

Center for Weight Management
20 Research Place
North Chelmsford, MA 01863

Phone: 877-LGH-WELL
Phone: 978-788-7200
TTY: 978-937-6889

Center for Weight Management and Bariatric Surgery

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Center for Weight Management and Bariatric Surgery

Success Stories 1
Success Stories 2
Success Stories 3

"I am totally off any medication for Type II diabetes. My doctor is estatic at the way things turned out. I can't say enough about the people here at this Center. They give you all the confidence in the world…" – Art

Play Video: Center for Weight Mgt, Success Stories 1

"I feel better physically and I feel better mentally. I had missed that. I've learned that losing weight is something you have to deal with every single day. But you can do it…" – Jodie

Play Video: Center for Weight Mgt, Success Stories 2

"My attitude has changed. I'm a lot more positive. I'm a lot more outgoing. I feel better. I don't mind standing up in front of people anymore. I feel accepted." – Karen

Play Video: Center for Weight Mgt, Success Stories 3