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About the BMI Calculator
Our fast, free BMI Calculator helps you determine your Body Mass Index (BMI), a globally recognized metric used to estimate body fat based on your height and weight. Tracking your BMI is a great first step toward monitoring your overall health and fitness.
How to Calculate BMI Online
Using our tool is incredibly simple:
- Enter your weight in kilograms (kg).
- Enter your height in centimeters (cm).
- Click Calculate BMI to reveal your score and WHO classification.
What Do the BMI Ranges Mean?
According to the World Health Organization (WHO), BMI is categorized as follows:
- Underweight: BMI less than 18.5
- Normal Weight: BMI between 18.5 and 24.9
- Overweight: BMI between 25.0 and 29.9
- Obese: BMI 30.0 or higher
Frequently Asked Questions (FAQ)
Is BMI an accurate measure of health?
BMI is a useful screening tool for the general population, but it does not directly measure body fat percentage. Athletes with high muscle mass may have a high BMI without having excess fat.