1. What is 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 commonly used to classify overweight and obesity in adults.

2. How Does the Calculator Work?

The calculator uses the BMI formula:

Where:

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

Classification: A BMI of 25 or higher indicates overweight status.

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 BMI range is considered normal?
A: A BMI between 18.5 and 24.9 is generally considered normal weight for adults.

Q2: Are there limitations to BMI?
A: Yes, BMI doesn't account for muscle mass, bone density, overall body composition, and racial and sex differences.

Q3: Can BMI be used for children?
A: BMI for children and teens is interpreted differently, taking into account age and sex-specific percentiles.

Q4: What's the difference between overweight and obesity?
A: Overweight is BMI 25-29.9, while obesity is BMI 30 or higher.

Q5: Should athletes use BMI?
A: Athletes with high muscle mass may have a high BMI that doesn't reflect their actual body fat percentage.