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Body Mass Index (BMI) Demystified: Evaluating Health Categories, Weight Ranges, and WHO Standards

Admin Sep 24, 2026 329 reads

What is Body Mass Index (BMI)?

Body Mass Index (BMI) is a widely recognized screening tool used by healthcare professionals to classify body weight relative to height. It provides an initial assessment of whether an individual is underweight, normal weight, overweight, or obese.

Our BMI Calculator Tool evaluates your weight category instantly based on WHO standards.

WHO BMI Classification Categories

  • Below 18.5: Underweight
  • 18.5 – 24.9: Normal / Healthy Weight
  • 25.0 – 29.9: Overweight
  • 30.0 and Above: Obese

How to Calculate Your BMI

  1. Open the BMI Calculator.
  2. Input your weight in kilograms and height in centimeters.
  3. Click "Calculate BMI" to view your score and WHO classification badge.