How to Calculate BMI & Understand Results

Body Mass Index, or BMI, is a quick and widely used medical screening tool to check if a person has a healthy ratio of weight to height. While it doesn't measure body fat percentage directly, it correlates strongly with metabolic health risks.

📐 The Mathematical Formula for BMI

Calculating your BMI is straightforward. The formula differs depending on whether you use the metric system or the imperial system:

📊 Understanding BMI Classifications

According to the World Health Organization (WHO), adults over 20 years old are grouped into the following categories based on their BMI score:

BMI Range	Classification	Health Risk Level
Below 18.5	Underweight	Moderate Risk
18.5 – 24.9	Normal Weight	Minimal Risk (Healthy)
25.0 – 29.9	Overweight	Increased Risk
30.0 and Above	Obesity	High Clinical Risk

💡 Tips to Maintain a Healthy BMI

1. Eat a Balanced Diet: Focus on whole foods, vegetables, fruits, lean proteins, and complex carbohydrates. Limit processed sugars.
2. Stay Physically Active: Aim for at least 150 minutes of moderate aerobic exercises (like brisk walking or cycling) every week.
3. Track Your Metrics: Consistently monitor your progress using online tools to keep tabs on weight changes.

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