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BMI Calculator – How It Works

Maintaining a healthy weight is essential for overall well-being. A Body Mass Index (BMI) Calculator helps you quickly determine whether your weight falls within a healthy range based on your height. This guide explains how BMI is calculated, how to interpret the results, and what steps you can take based on your BMI category.


How BMI is Calculated

BMI is a simple calculation that uses your weight in kilograms (kg) and height in meters (m):

For example:

  • If you weigh 70 kg and your height is 1.75 meters, your BMI is:

Your BMI is 22.9, which falls in the normal weight range.


Understanding BMI Categories

Once you calculate your BMI, you can determine where it falls within these standard categories:

BMI RangeCategory
Below 18.5Underweight
18.5 – 24.9Normal Weight
25 – 29.9Overweight
30 and aboveObese

What Your BMI Means & What to Do Next

1. Underweight (BMI < 18.5)

  • You may not be getting enough nutrients, which can lead to health issues.
  • Action: Increase your calorie intake with nutrient-rich foods and consult a nutritionist.

2. Normal Weight (BMI 18.5 – 24.9)

  • You have a healthy weight relative to your height.
  • Action: Maintain a balanced diet and regular exercise to stay in this range.

3. Overweight (BMI 25 – 29.9)

  • You have excess body weight that may lead to health risks like heart disease and diabetes.
  • Action: Consider a structured diet and exercise plan to reduce excess weight.

4. Obese (BMI 30 and Above)

  • Higher risk of serious health conditions such as hypertension and diabetes.
  • Action: Consult a healthcare professional for a weight management plan.

Why Use Our BMI Calculator?

Quick & Easy – Enter your weight and height for an instant result. ✅ Accurate & Reliable – Uses the universally accepted BMI formula. ✅ Actionable Insights – Get clear next steps based on your BMI category. ✅ Ideal for Everyone – Suitable for adults looking to track their health.


Limitations of BMI

While BMI is a useful screening tool, it does not measure body fat percentage, muscle mass, or overall health. Athletes may have higher BMIs due to muscle mass rather than excess fat. Always consider other health indicators alongside BMI.


Try the BMI Calculator Now!

Enter your weight in kilograms and height in meters to find out your BMI and take control of your health today!