Body Mass Index Calculator

Body Mass Index: 0.00
Under 18.5Underweight
18.5 - 24.9Normal weight
25 - 29.9Overweight
30 and aboveObese

What is BMI?

BMI, or Body Mass Index, is a numerical value derived from a person's weight and height, offering a simple way to classify underweight, normal weight, overweight, and obesity in adults. It's calculated by dividing an individual's weight in kilograms by the square of their height in meters (kg/m²).

Pros of BMI

  • Simple and Quick: Provides an easy method for assessing body weight relative to height.
  • General Health Indicator: Serves as a general gauge of risk for diseases related to weight categories.
  • Widely Used: Utilized in various settings due to its simplicity and convenience.

Cons of BMI

  • Does Not Distinguish Between Muscle and Fat: Can misclassify individuals based on their muscle mass.
  • Does Not Account for Fat Distribution: Ignores where body fat is distributed, which affects health risk.
  • May Not Apply Equally Across Different Ethnicities: BMI thresholds might not be suitable for all groups.

For further information on BMI, visit the following resources:

Centers for Disease Control and Prevention (CDC) - BMI
World Health Organization (WHO) - BMI