What Are the BMI Categories? Healthy Weight Ranges - MiniToolsPro
Calculator Tools Updated: July 8, 2026
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What are the different BMI categories?

Based on the results from an online BMI calculator, the World Health Organization defines standard weight status categories for adults. These categories are:

- Underweight: BMI less than 18.5
- Normal weight: BMI between 18.5 and 24.9
- Overweight: BMI between 25 and 29.9
- Obese: BMI of 30 or higher

These ranges help you understand your overall health risk. It's important to interpret BMI differently for children and teens, as their categories are based on percentiles compared to others of the same age and sex.

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