⚖️ BMI Calculator

Calculate your Body Mass Index (BMI) to assess whether your weight is in a healthy range for your height.

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BMI Calculator

Health

Inputs

kg
cm
yrs

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How to Use This Calculator

  1. 1

    Enter your weight in kilograms.

  2. 2

    Enter your height in centimeters.

  3. 3

    Optionally enter your age and gender for context.

  4. 4

    Click Calculate to see your BMI and health category.

How It Works

BMI is calculated by dividing your weight (kg) by the square of your height (m²). A BMI of 18.5–24.9 is considered normal. BMI is a screening tool, not a diagnostic measure — always consult a healthcare professional for medical advice.

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Frequently Asked Questions

BMI is a general screening tool and may not accurately reflect body composition for athletes, elderly individuals, or pregnant women. Consult your doctor for a complete health assessment.

Why Use This Tool

  • Instant, accurate results
  • No registration required
  • 100% free forever
  • Works on all devices
  • Privacy — no data stored