Body Mass Index (BMI) Calculator

Note: BMI does not directly measure body fat, but it is a widely used indicator to evaluate general weight status.

Warning: This calculator is not suitable for athletes, pregnant women, or children. Always consult a healthcare professional for accurate evaluation.

What Is Body Mass Index (BMI) and How Is It Calculated?

Body Mass Index (BMI) is a simple measurement used to assess an individual’s body health based on height and weight. Commonly used by health professionals, BMI helps determine whether a person is underweight, at a healthy weight, overweight, or obese.

BMI Calculation Formula

BMI is calculated by dividing a person’s weight in kilograms by the square of their height in meters. The formula is as follows:

 

BMI=Weight (kg)(Height (m))2\text{BMI} = \frac{\text{Weight (kg)}}{(\text{Height (m)})^2}

Example:

  • Height: 170 cm (1.70 m)

  • Weight: 70 kg

Calculation:

 

BMI=70(1.70)2=702.89≈24.22\text{BMI} = \frac{70}{(1.70)^2} = \frac{70}{2.89} \approx 24.22

This result corresponds to the normal weight range.

BMI Categories and Weight Classification

According to the World Health Organization (WHO), BMI values are classified as follows:

  • Below 18.5: Underweight

  • 18.5 – 24.9: Normal weight

  • 25 – 29.9: Overweight

  • 30 and above: Obese

This classification serves as an important guide for maintaining a healthy lifestyle and effective weight management.

Advantages of BMI Calculation

  • Quick and easy: Requires only height and weight information.

  • General health indicator: Shows whether you are underweight or overweight.

  • Risk assessment: Helps identify potential health risks related to obesity or being underweight.

⚠️ Note: BMI is only an indicator; it does not measure body fat percentage or muscle mass. For an accurate assessment, consult a healthcare professional.

Online BMI Calculator

With online BMI calculators, you can instantly learn your BMI value by entering your height and weight. These tools are fast, simple, and effective.
For example, with our BMI calculator on Calculation24, you can calculate your BMI in just a few seconds.

Category:

Health Calculations,