1. What is BMI?

BMI (Body Mass Index) is a measure that uses your height and weight to work out if your weight is healthy. It's widely used as a screening tool to identify possible weight problems in adults.

2. How Does the Calculator Work?

The calculator uses the standard BMI formula:

Where:

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

Explanation: BMI compares your weight to your height to calculate whether you're a healthy weight for your height.

3. Importance of BMI Calculation

Details: BMI helps identify weight categories that may lead to health problems, though it's not a direct measure of body fatness. It's used to screen for weight categories that might indicate health risks.

4. Using the Calculator

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

5. Frequently Asked Questions (FAQ)

Q1: What are the NHS BMI categories?
A: Underweight (below 18.5), Normal weight (18.5-24.9), Overweight (25-29.9), Obese (30 and above).

Q2: Is BMI accurate for everyone?
A: BMI may not be accurate for athletes (high muscle mass), pregnant women, or the elderly. Other measures like waist circumference may be better.

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

Q4: What should I do if my BMI is high?
A: Consult your GP for advice. They may suggest dietary changes, increased physical activity, or other interventions.

Q5: Where can I get more information?
A: Visit the NHS website for more detailed information about BMI and healthy weight management.