BMI Calculator

Free Online BMI Calculator | Instant & Accurate Body-Mass-Index Tool

Instantly check your Body Mass Index on any device—no sign-up needed.

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Underweight Normal Overweight Obese

How to Use the BMI Calculator

Our BMI Calculator is designed to give you an instant snapshot of your Body Mass Index with minimal effort. Follow the simple steps below and get results in seconds:

  • Choose your preferred unit system: Metric (kilograms & centimeters) or Imperial (pounds & feet/inches).
  • Enter your weight and height accurately.
  • Add optional information like age and gender for a more personalized range.
  • Click “Calculate BMI”.
  • Read your BMI value and the corresponding weight category (underweight, normal, overweight, or obese).

Note: BMI is a screening tool, not a diagnostic instrument. Consult a healthcare professional for detailed advice.

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