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BMI Calculator

Body Mass Index (BMI) is a person's weight divided by the square of height. A high BMI can indicate high body fatness. BMI screens for your weight status category - underweight, healthy weight, overweight, and obesity.

Enter your height and weight below to calculate your BMI.

The standard weight status categories for adults 20 years old and older, as defined by the CDC, are listed below. These categories are the same for men and women of all body types and ages.

  • Below 18.5: Underweight
  • 18.5 - 24.9: Healthy Weight
  • 25.0 - 29.9: Overweight
  • 30.0 & Above: Obesity