Calculate your Body Mass Index (BMI). Understand your weight category and whether you are at a healthy weight.
Body Mass Index (BMI) is a simple calculation using a person's height and weight. It is an inexpensive and easy screening method for weight category underweight, healthy weight, overweight, and obesity.
The standard weight status categories associated with BMI ranges for adults are same for men and women of all body types and ages.
| BMI Range | Weight Status |
|---|---|
| Below 18.5 | Underweight |
| 18.5 – 24.9 | Normal or Healthy Weight |
| 25.0 – 29.9 | Overweight |
| 30.0 and Above | Obese |
While BMI is useful for the general population, it has significant blind spots:
For a more accurate picture of your health, combine BMI with waist circumference measurements or use our Body Fat Calculator.
If your BMI indicates you are overweight or underweight, the next step is to look at your diet and activity level.
No. BMI is a screening tool, not a diagnostic one. It does not distinguish between muscle mass and body fat, so athletes may be classified as 'overweight' despite having low body fat.
For most adults, a healthy BMI falls between 18.5 and 24.9. However, this range can vary based on ethnicity and age.
Yes. Older adults often have more body fat than younger adults with the same BMI. Conversely, children use separate BMI percentile charts.
BMI is just one number. Start a comprehensive plan to reach your ideal weight today.
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