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 NHS uses BMI as a screening tool to identify potential 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 provides a simple numeric measure of a person's thickness or thinness, allowing health professionals to discuss weight problems objectively.

3. Importance of BMI Calculation

Details: BMI helps identify potential weight-related health problems. While not a direct measure of body fat, it correlates well with more direct measures of body fat.

4. Using the Calculator

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

5. Frequently Asked Questions (FAQ)

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

Q2: Is BMI different for women?
A: The same BMI ranges apply to both adult men and women. However, women tend to have more body fat than men at the same BMI.

Q3: What are limitations of BMI?
A: BMI doesn't account for muscle mass, bone density, or fat distribution. Athletes may have high BMI without excess fat.

Q4: How often should I check my BMI?
A: For most adults, checking every few months is sufficient unless you're actively trying to change your weight.

Q5: What should I do if my BMI is high?
A: Consult with a healthcare provider who can assess your overall health and recommend appropriate lifestyle changes.