The standard adult BMI category ranges, for quick reference alongside the full BMI calculation guide.
The standard adult BMI ranges used by major health guidelines, for quick reference. For the full formula and a worked example, see How to Calculate BMI.
| BMI Range | Category |
|---|---|
| Below 18.5 | Underweight |
| 18.5-24.9 | Normal weight |
| 25.0-29.9 | Overweight |
| 30.0 and above | Obesity |
BMI is based only on weight and height, it doesn’t distinguish muscle from fat, so a very muscular individual can show a higher BMI than their actual body composition would suggest.
The BMI Calculator calculates BMI and its category instantly for any height and weight.
BMI Calculator
18.5 to 24.9, according to the standard adult category ranges used by major health guidelines.
No, the standard adult BMI category ranges are the same for men and women.
No, children and teens are assessed using age- and sex-specific percentile charts, not the fixed adult ranges shown here.
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