1. What is Body Mass Index (BMI)?

Body Mass Index (BMI) is a measure of body fat based on height and weight that applies to adult men and women. It is a simple, inexpensive, and non-invasive method to screen for weight categories that may lead to health problems.

2. How Does the Calculator Work?

The calculator uses the standard BMI formula:

Where:

• \( weight \) — Body weight in kilograms (kg)
• \( height \) — Height in meters (m)

Explanation: BMI provides a reliable indicator of body fatness for most people and is used to screen for weight categories.

3. Importance of BMI Calculation

Details: BMI is an important screening tool to identify potential weight problems in adults. It helps healthcare professionals assess health risks associated with being underweight, overweight, or obese.

4. Using the Calculator

Tips: Enter weight in kilograms and height in meters. For accurate results, measure weight without heavy clothing and height without shoes.

5. Frequently Asked Questions (FAQ)

Q1: What are the standard BMI categories?
A: Underweight (<18.5), Normal weight (18.5-24.9), Overweight (25-29.9), Obesity (≥30).

Q2: Is BMI accurate for everyone?
A: BMI may overestimate body fat in athletes and underestimate it in older persons who have lost muscle mass.

Q3: Can BMI be used for children?
A: BMI for children and teens is interpreted differently using age and sex-specific percentile charts.

Q4: What are the limitations of BMI?
A: BMI doesn't distinguish between fat and muscle mass, and doesn't account for fat distribution.

Q5: How often should BMI be calculated?
A: Regular monitoring (every 6-12 months) can help track weight changes and associated health risks.