BMI Calculator

BMI Calculator

BMI Calculator

What is BMI?
Body Mass Index (BMI) is a measure of body fat based on your weight and height. It is commonly used as a screening tool to categorize individuals into different weight status categories.

How is BMI calculated?
BMI is calculated by dividing a person’s weight in kilograms by the square of their height in meters. The formula is BMI = weight (kg) / (height (m) * height (m)).

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Interpretation of BMI:
– Underweight: BMI less than 18.5
– Normal weight: BMI 18.5 to 24.9
– Overweight: BMI 25 to 29.9
– Obesity: BMI 30 or greater


Body Mass Index (BMI) is a measure of body fat based on your height and weight. It’s a useful indicator of whether you are underweight, normal weight, overweight, or obese. In this article, we’ll discuss what BMI is, how to calculate it, and why it’s important for your overall health.

1. What is BMI?

BMI stands for Body Mass Index, and it is a numerical value calculated from your weight and height. It provides an estimate of body fat and helps categorize individuals into different weight categories.

2. How to Calculate BMI

Calculating BMI is straightforward using the following formula:

  • BMI = (Weight in kilograms) / (Height in meters)^2

Here’s a step-by-step guide:

  1. Convert Your Weight to Kilograms: If your weight is in pounds, divide it by 2.20462 to get kilograms.
  2. Convert Your Height to Meters: If your height is in inches, multiply it by 0.0254 to get meters.
  3. Calculate BMI: Once you have your weight in kilograms and height in meters, use the formula above to calculate your BMI.

3. Interpreting BMI Results

BMI results fall into the following categories:

  • Underweight: BMI less than 18.5
  • Normal Weight: BMI between 18.5 and 24.9
  • Overweight: BMI between 25 and 29.9
  • Obesity: BMI 30 or higher

4. Why is BMI Important?

BMI is an essential health indicator for several reasons:

  • Health Risk: Higher BMI is associated with an increased risk of health conditions such as heart disease, diabetes, and certain cancers.
  • Weight Management: Knowing your BMI can help you set realistic weight loss or weight gain goals.
  • Health Screening: Healthcare professionals use BMI to screen for potential weight-related health issues.

5. Using Online BMI Calculators

Calculating BMI manually can be tedious, but several online BMI calculators make it easy. Here are some popular options:

6. Conclusion

Calculating your BMI is a simple yet effective way to assess your body weight about your height. It provides valuable insights into your health and can guide you in making informed decisions about your lifestyle and diet. Remember, while BMI is a useful tool, it’s essential to consider other factors such as muscle mass and overall health when interpreting the results.

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