Body Mass Index

What is my BMI (Body Mass Index) and why should I care?

BMI is short for Body Mass Index. It is a way to reasonably estimate how much body fat you have. It’s based on your height and weight and is the same for men and for women.

Use it as a tool only. It does not take individual factors such as bone or muscle mass into consideration.

If you have low muscle mass the Body Mass Index may underestimate your body fat.

If you are very muscular and physically fit it may overestimate your body fat.

Inadequately evaluate health risks of people with excess abdominal fat

People who are overweight or obese are at higher risk for chronic health conditions. For more information see Weight Loss Facts.

Studies show that losing 10% of your weight helps lower the risk of disease.

Visit the CDC website for more information or to check the
BMI for Children and Teens

What’s my BMI mean?

Under Weight: Your BMI is Less than 18.5
You may want to consult a physician to best see how you can gain weight. Being underweight may weaken your immune system and put you at greater risk of osteoporosis.

Healthy Weight: Your BMI 18.5 to 24.9
Good Job! Continue to eat healthy and exercise to maintain.

Overweight: Your BMI 25 to 29.9
Your weight may become a problem. You are at risk for some health-related issues. It’s time to take action now.

Obese: Your BMI 30 to 40

  • 30 to 35 – You are in a physically unhealthy condition. You have an elevated risk of serious illnesses.
  • 35.1 to 39.9 – You have a high risk of weight-related disease and premature death.

Morbidly Obese: Your BMI Greater than 40
You have an extremely high risk of weight-related disease and premature death.

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