BMI Calculator

What is BMI

Body mass index (BMI) is a way to measure the amount of body fat based on height and weight for adult men and women. For more information on BMI, and this calculation, please visit the National Heart, Lung, and Blood Institute >

BMI Ranges

  • Underweight = <18.5
  • Normal weight = 18.5–24.9
  • Overweight = 25–29.9
  • Obesity = BMI of 30 or greater