1. What is BMI?

BMI (Body Mass Index) is a measure that uses your height and weight to determine if your weight is healthy. The British Heart Foundation recommends using BMI as a simple screening tool 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: The formula divides a person's weight in kilograms by the square of their height in meters.

3. Importance of BMI Calculation

Details: BMI provides a simple numeric measure that helps identify potential weight problems in adults. It's used to screen for weight categories that may lead to health problems.

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 toilet.

5. Frequently Asked Questions (FAQ)

Q1: What are the BMI categories?
A: Underweight (BMI < 18.5), Normal weight (18.5-24.9), Overweight (25-29.9), Obese (≥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: What's a healthy BMI range?
A: For most adults, 18.5 to 24.9 is considered healthy.

Q4: Should children use this calculator?
A: No, children and teens need age- and sex-specific BMI calculations.

Q5: What if I know my height in feet/inches?
A: Convert to meters (1 foot = 0.3048m, 1 inch = 0.0254m) before using this calculator.