1. What is BMI?

Body Mass Index (BMI) is a measure of body fat based on height and weight that applies to adult men and women. 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 (kg)
• \( height \) — Height in meters (m)

Obesity Classification: A BMI of 30 or higher is classified as obesity according to WHO standards.

3. Importance of BMI Calculation

Details: BMI calculation is important for assessing weight-related health risks. Obesity is associated with increased risk of various diseases including heart disease, diabetes, high blood pressure, and certain cancers.

4. Using the Calculator

Tips: Enter your weight in kilograms and height in meters. For accurate results, measure your weight without heavy clothing and height without shoes.

5. Frequently Asked Questions (FAQ)

Q1: Is BMI accurate for everyone?
A: While BMI is a useful screening tool, it may not accurately reflect body fat percentage in athletes with high muscle mass, older adults, or certain ethnic groups.

Q2: What are the BMI categories?
A: Underweight (<18.5), Normal weight (18.5-24.9), Overweight (25-29.9), Obesity (≥30).

Q3: How often should I check my BMI?
A: For most adults, checking BMI every 6-12 months is sufficient unless you're actively trying to change your weight.

Q4: Can children use this calculator?
A: No, BMI interpretation for children and teens is different and considers age and sex percentiles rather than fixed categories.

Q5: What if my BMI indicates obesity?
A: Consult with a healthcare provider for a comprehensive health assessment and personalized advice on weight management.