BMI Health Assessment

Professional body mass index calculator with health insights

Understanding BMI

What is BMI?

Body Mass Index (BMI) is a simple numerical measure of a person's weight in relation to their height. It's used as a general indicator of whether a person has a healthy body weight. While it's a useful screening tool, it's important to remember that it doesn't measure body fat directly.

How is BMI Calculated?

BMI is calculated using a simple formula that relates weight and height. The formula is: $BMI = \frac{weight(kg)}{height(m)^2}$ The result is a number that corresponds to a specific weight category, such as Underweight, Normal, Overweight, or Obese.

Important Note on Applicability

The standard BMI chart is only applicable to **adults (20 years and older)**. It is not suitable for children or adolescents, as their body fat composition changes as they grow.

Understanding Weight Categories

  • Underweight (BMI < 18.5)

    Being underweight may indicate a lack of proper nutrition or an underlying health issue. It can lead to a weakened immune system, fragile bones, and nutrient deficiencies. To prevent being underweight, focus on a balanced diet with nutrient-rich foods, including healthy fats and proteins, and consider consulting a healthcare professional for a personalized plan.

  • Overweight (BMI 25-29.9) & Obese (BMI ≥ 30)

    Excess weight can increase the risk of serious health conditions, including heart disease, high blood pressure, type 2 diabetes, and certain cancers. The causes often involve a combination of poor diet, lack of physical activity, genetics, and lifestyle factors. Prevention involves a lifestyle that includes regular exercise, a balanced diet rich in fruits and vegetables, and portion control.

This tool provides general health information and should not replace professional medical advice.