1. What is BMI?

Body Mass Index (BMI) is a simple calculation using a person's height and weight. The formula is BMI = kg/m² where kg is a person's weight in kilograms and m² is their height in meters squared. It provides a reliable indicator of body fatness for most people.

2. How Does the Calculator Work?

The calculator uses the standard BMI formula:

Where:

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

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

3. Importance of BMI Calculation

Details: BMI is used to screen for weight categories that may lead to health problems. It's a quick, inexpensive method that correlates with more direct measures of body fat.

4. Using the Calculator

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

5. Frequently Asked Questions (FAQ)

Q1: What is a healthy BMI range?
A: For adults, 18.5 to 24.9 is considered healthy. Below 18.5 is underweight, 25-29.9 is overweight, and 30+ is obese.

Q2: Does BMI apply to everyone?
A: BMI may overestimate body fat in athletes and those with muscular builds, and underestimate it in older persons who have lost muscle mass.

Q3: How often should I check my BMI?
A: For most adults, checking every few months is sufficient unless you're actively trying to lose or gain weight.

Q4: Are there better measures than BMI?
A: Waist circumference and body fat percentage measurements may provide more accurate assessments in some cases.

Q5: Does BMI differ for men and women?
A: The same BMI ranges apply to both genders, though women tend to have more body fat than men at the same BMI.