Calculate your Body Mass Index (BMI) to check if you are at a healthy weight.
Take the first step towards a healthier lifestyle by understanding your Body Mass Index (BMI). Our free, instant, and privacy-focused BMI Calculator helps you assess your weight status in seconds.
Get your BMI score immediately without any registration or waiting time. Just enter your height and weight.
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We use the standard WHO (World Health Organization) formula and categories to ensure accurate health assessment.
Body Mass Index (BMI) is a widely used screening tool that estimates the amount of body fat based on your height and weight. It applies to adult men and women and serves as a general indicator of whether you fall into a healthy weight range for your height.
While BMI is not a direct measure of body fat, it correlates moderately with more direct measures of body fat. It is an inexpensive and easy-to-perform method of screening for weight category, for example, underweight, normal or healthy weight, overweight, and obesity.
According to the World Health Organization (WHO), BMI categories are defined as follows:
| BMI Range | Weight Status |
|---|---|
| Below 18.5 | Underweight |
| 18.5 – 24.9 | Normal Weight |
| 25.0 – 29.9 | Overweight |
| 30.0 and Above | Obesity |
Maintaining a healthy BMI is crucial because being overweight or obese significantly increases the risk of various health conditions, including:
Conversely, being underweight can also pose health risks, such as weakened immune function, osteoporosis, and anemia.
While BMI is a useful screening tool, it does have limitations. It does not distinguish between excess fat, muscle, or bone mass. Therefore, it may not provide a complete picture of your health in certain situations: