Free Online BMI Calculator | Medical Learner | Body Mass Index Chart

BMI Calculator – Check Your Body Mass Index Instantly

BMI (Body Mass Index) is a simple health indicator used to estimate body fat based on height and weight.
Whether you’re a medical student preparing for NEET PG, FMGE, or MBBS exams, or just someone tracking fitness, this free online BMI calculator helps you find out if your weight is in a healthy range.


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Free BMI Calculator by Medical Learner. Instantly check your Body Mass Index online with WHO chart for MBBS, NEET PG & FMGE students.

This BMI calculator uses the World Health Organization (WHO) classification to determine your health category — from underweight to obesity class III. It supports both metric (kg/cm) and imperial (lb/in) units.



BMI Calculator







Understanding Your BMI Result

  • Below 18.5: Underweight – You may need to improve nutrition and caloric intake.
  • 18.5 to 24.9: Normal – Ideal healthy range for most adults.
  • 25 to 29.9: Overweight – Consider a balanced diet and regular physical activity.
  • 30 and above: Obesity – Increased risk of hypertension, diabetes, and heart disease.

BMI is a quick screening tool but not a diagnostic measure. For accurate assessment, consult a doctor or dietician who can analyze your muscle mass, fat percentage, and health parameters.

About Medical Learner

Medical Learner is a growing platform for medical students, FMGE aspirants, and NEET PG learners. We share free notes, educational tools, and a bit of desi medico humor to make learning less stressful!

Check out more tools like our upcoming BMR Calculator, Pulse Rate Checker, and Clinical Case Simulator.

Disclaimer: This BMI calculator is for educational purposes only. Always seek professional medical advice before making health decisions.

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