1. What is BMI?

Body Mass Index (BMI) is a simple calculation using a person's height and weight. It provides a reliable indicator of body fatness for most people and is used 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
• \( height \) — Height in meters

Explanation: BMI compares your weight to your height to estimate body fat. Higher BMI values indicate higher body fatness.

3. Importance of BMI Calculation

Details: BMI is a quick screening tool for weight categories that may lead to health problems. It's used to identify underweight, normal weight, overweight, and obesity in adults.

4. Using the Calculator

Tips: Enter weight in kilograms and height in meters. For most accurate results, measure weight in the morning before eating and after using the bathroom.

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

Q3: Why use metric units?
A: The standard BMI formula uses kg and m. For imperial units, the formula is different (703 × weight(lb)/[height(in)]²).

Q4: Should BMI be interpreted differently for men?
A: While the same BMI categories apply to both genders, men typically have more muscle mass than women at the same BMI.

Q5: What's a healthy BMI range for men?
A: For most men, a BMI between 18.5 and 24.9 is considered healthy, though individual factors should be considered.