Online BMI Calculator

Check your Body Mass Index (BMI) quickly to understand your health status.

Weight (Kilograms)
Height (Centimeters)

What is Body Mass Index (BMI)?

Our Free Online BMI Calculator helps you find out if you are at a healthy weight for your height. BMI is a standard measurement used by doctors and health professionals worldwide to assess health risks associated with body weight.

BMI Categories:

  • Underweight: BMI less than 18.5
  • Normal Weight: BMI between 18.5 and 24.9
  • Overweight: BMI between 25 and 29.9
  • Obese: BMI of 30 or greater

Note: This tool provides a general estimate. It does not take muscle mass into account, which may affect the BMI of athletes.