1. What is a BMI Calculator?

Definition: This calculator estimates Body Mass Index (BMI) based on weight and height measurements.

Purpose: It helps assess whether a person has a healthy body weight relative to their height.

2. How Does the BMI Calculator Work?

The calculator uses the formula:

Where:

• \( BMI \) — Body Mass Index (kg/m²)
• \( W \) — Weight (kilograms)
• \( H \) — Height (meters)

Explanation: The weight is divided by the square of height to calculate the body mass index.

3. Importance of BMI Calculation

Details: BMI is a simple screening tool that may indicate whether a person is underweight, normal weight, overweight, or obese.

4. Using the Calculator

Tips: Enter your weight in kilograms and height in meters. All values must be > 0.

5. BMI Categories

• Underweight: BMI < 18.5
• Normal weight: BMI 18.5-24.9
• Overweight: BMI 25-29.9
• Obesity: BMI ≥ 30

6. Frequently Asked Questions (FAQ)

Q1: How accurate is BMI?
A: BMI is a useful screening tool but doesn't directly measure body fat or account for muscle mass.

Q2: Can BMI be different for athletes?
A: Yes, athletes with high muscle mass may have a high BMI without excess body fat.

Q3: What's a healthy BMI range?
A: For most adults, 18.5 to 24.9 is considered healthy.

Q4: How do I convert pounds to kilograms?
A: 1 pound = 0.453592 kilograms.

Q5: How do I convert feet/inches to meters?
A: 1 foot = 0.3048 meters, 1 inch = 0.0254 meters.