1. What is BMI?

BMI (Body Mass Index) is a simple index of weight-for-height that is commonly used to classify underweight, normal weight, overweight and obesity in adults. It provides a useful population-level measure of overweight and obesity.

2. How Does the Calculator Work?

The calculator uses the standard BMI formula:

Where:

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

Explanation: BMI is calculated by dividing weight in kilograms by the square of height in meters.

3. Importance of BMI Calculation

Details: BMI provides a simple numeric measure of a person's thickness or thinness, allowing health professionals to discuss weight problems more objectively with their patients.

4. Using the Calculator

Tips: Enter weight in kilograms and height in meters. All values must be valid (weight > 0, height > 0).

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 different for women and men?
A: The same BMI values apply to both women and men, though body composition differs between genders.

Q3: What are limitations of BMI?
A: BMI doesn't distinguish between muscle and fat mass, so athletes may have high BMI without excess fat.

Q4: Is BMI accurate for all body types?
A: BMI may not be accurate for very muscular individuals, pregnant women, or the elderly.

Q5: What's a healthy BMI range for women?
A: For most women, a BMI between 18.5 and 24.9 is considered healthy.