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HealthApril 7, 2026· 5 min read

The Truth About BMI: How to Use It for Better Health Tracking

Is BMI still relevant? Learn the pros and cons of the Body Mass Index and how to interpret your results accurately.

Body Mass Index (BMI) is a simple calculation using your height and weight. While it's a useful screening tool for health risks, it's important to understand what it can and cannot tell you about your body.

Understanding the Categories

  • Underweight: Below 18.5
  • Normal weight: 18.5 – 24.9
  • Overweight: 25 – 29.9
  • Obese: 30 or greater

It's a great starting point for discussions with your doctor. Calculate yours instantly with the ToolNest BMI Calculator.

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