1. What is Body Mass Index (BMI)?

BMI is a measure of body fat based on height and weight that applies to adult men and women. It is used to screen for weight categories that may lead to health problems.

2. How Does the Calculator Work?

The calculator uses the BMI formula:

Where:

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

Explanation: The equation divides a person's weight by the square of their height to categorize their weight 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 are the BMI categories?
A: Underweight (<18.5), Normal weight (18.5-24.9), Overweight (25-29.9), Obesity (≥30).

Q2: Is BMI different for males and females?
A: The same formula applies to both, but interpretation may vary slightly due to body composition differences.

Q3: What are limitations of BMI?
A: Doesn't distinguish between muscle and fat, may not be accurate for athletes, pregnant women, or the elderly.

Q4: How often should I check my BMI?
A: Periodic checks (every few months) can help track weight changes, but don't overemphasize single measurements.

Q5: Is BMI calculation different in Canada?
A: No, the formula is universal, though health guidelines based on BMI may vary slightly by country.