BMI Calculator

BMI Calculator

  • Enter your Gender, Date of Birth, Weight (kg), and Height (cm).
  • Click "Calculate BMI" to calculate your BMI.
  • View the BMI category, color-coded progress bar, and calculation details.
  • Your calculation history will be displayed below.
  • Click "Clear" to reset the form and calculations.
  • Click "Copy" to copy the BMI result to the clipboard.
Calculation Details:
Calculation History:


    Body mass index (BMI) is a measure of body fat based on height and weight that is used to screen for weight categories that may lead to health problems. BMI is calculated by dividing a person’s weight in kilograms (kg) by the square of their height in meters (m).


    The following formula is used to calculate BMI:

    BMI = weight (kg) / height^2 (m^2)


    A BMI of 18.5 to 24.9 is considered to be a healthy weight. A BMI of 25.0 to 29.9 is considered overweight. A BMI of 30.0 or higher is considered obese.


    BMI is a simple and inexpensive way to screen for weight categories that may lead to health problems. It can be used by people of all ages and genders.

    Interesting facts

    • BMI was developed in the late 1800s by a Belgian statistician named Adolphe Quetelet.
    • BMI is used in over 100 countries around the world.
    • BMI is not a perfect measure of body fatness. It does not take into account muscle mass or body composition.
    • BMI is most accurate for adults between the ages of 20 and 65.

    Scholarly references

    • Clinical Assessment of Nutritional Status by Robert J. Fanelli (2012)
    • Obesity and the Body Mass Index: Or Why We Are Still Measuring Abdominal Obesity by Kelly Brownell and Joann E. Manson (2005)
    • Body Mass Index and Mortality by Katherine M. Flegal, MD, MPH, and Barry M. Popkin, PhD (2001)


    The following table shows some examples of BMI calculations:

    Weight (kg)Height (m)BMI


    BMI can be used by individuals, healthcare professionals, and public health officials.

    • Individuals: Individuals can use BMI to track their weight over time and to assess their risk of developing weight-related health problems.
    • Healthcare professionals: Healthcare professionals can use BMI to screen for weight categories that may lead to health problems and to develop treatment plans for obese patients.
    • Public health officials: Public health officials can use BMI to track the prevalence of obesity in a population and to develop public health interventions to promote healthy weight.


    BMI is a simple and inexpensive tool that can be used to screen for weight categories that may lead to health problems. It is important to note that BMI is not a perfect measure of body fatness and that other factors, such as muscle mass and body composition, should also be considered when assessing a person’s health.

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