1. What is BMI?

Body Mass Index (BMI) is a value derived from the mass and height of a person. The BMI is defined as the body mass divided by the square of the body height, and is expressed in units of kg/m².

2. How Does the Calculator Work?

The calculator uses the BMI formula:

Where:

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

Explanation: The weight loss percentile is calculated based on population data for men, showing how your BMI compares to others.

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 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 is a healthy BMI range?
A: For most adults, 18.5 to 24.9 is considered healthy. Below 18.5 is underweight, 25-29.9 is overweight, and 30+ is obese.

Q2: Why is this calculator specific to men?
A: BMI percentiles differ by gender. This calculator uses male-specific percentile data.

Q3: How accurate is BMI?
A: BMI is a useful screening tool but doesn't directly measure body fat. Athletes may have high BMI due to muscle mass.

Q4: What does weight loss percentile mean?
A: It shows what percentage of the male population has a lower BMI than yours. Higher percentiles indicate higher weight relative to others.

Q5: Should I use BMI to track weight loss?
A: BMI can be one indicator, but also consider body measurements, body fat percentage, and how you feel.