About Body Mass Index Calculator — Free BMI Tool Online

Calculate your body mass index using metric or imperial units. Free BMI calculator with underweight/normal/overweight/obese classification.

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Key Features of Our Body Mass Index Calculator — Free BMI Tool Online

  • Metric and imperial units
  • Visual BMI gauge
  • Health category classification
  • Ideal weight range calculation
  • BMI formula explanation
  • Mobile-friendly design
  • Instant calculations
  • No personal data stored

📖 How to Use Body Mass Index Calculator — Free BMI Tool Online

1

Select Units

Choose between metric (kg, cm) or imperial (lb, ft/in) measurements.

2

Enter Height

Input your height accurately for best results.

3

Enter Weight

Enter your current weight.

4

View Results

See your BMI, health category, and recommended weight range.

Frequently Asked Questions

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