1. What is BMI?

Body Mass Index (BMI) is a simple calculation using a person's height and weight. For overweight adults (BMI > 25), it serves as a screening tool 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: The formula divides weight by the square of height to estimate body fatness.

3. Importance of BMI Calculation

Details: BMI provides a simple numeric measure of body fatness for most adults. For overweight individuals (BMI > 25), it helps identify increased risk for health problems like heart disease, high blood pressure, and diabetes.

4. Using the Calculator

Tips: Enter weight in kilograms and height in meters. All values must be valid (weight > 0, height > 0). The calculator will classify results as overweight if BMI > 25.

5. Frequently Asked Questions (FAQ)

Q1: What BMI is considered overweight?
A: For adults, BMI ≥ 25 is overweight, ≥30 is obese. However, muscle mass can affect interpretation.

Q2: Is BMI accurate for everyone?
A: BMI may overestimate body fat in muscular individuals and underestimate it in older persons with lost muscle mass.

Q3: What are health risks of being overweight?
A: Increased risk for heart disease, stroke, type 2 diabetes, certain cancers, and other conditions.

Q4: Should athletes use BMI?
A: Highly muscular athletes may have high BMI without excess fat. Additional measurements may be needed.

Q5: What's better than BMI?
A: Waist circumference, skinfold thickness, and other measures may provide additional information about body composition.