← Back to Calculator Suite
BMI Percentile Calculator
Calculate BMI and percentile for children and adults
About BMI Percentile
Body Mass Index (BMI) percentile is a measure used to compare an individual's BMI to others of the same age and sex. For children and teens, BMI percentile is more meaningful than absolute BMI values.
BMI Categories
- Underweight: BMI < 18.5 (Adults) or < 5th percentile (Children)
- Normal Weight: BMI 18.5-24.9 (Adults) or 5th-85th percentile (Children)
- Overweight: BMI 25.0-29.9 (Adults) or 85th-95th percentile (Children)
- Obese: BMI ≥ 30.0 (Adults) or ≥ 95th percentile (Children)
- Note: BMI is not a direct measure of body fat and may not be accurate for athletes or elderly