Calculate your Body Mass Index with age adjustment for children & teens
Adults (20+ years) use standard ranges. Children & teens (2–19) are age-adjusted.
| Category | Adults (20+) | Children/Teens (2–19) |
|---|---|---|
| Underweight | < 18.5 | < 5th percentile |
| Healthy Weight | 18.5 – 24.9 | 5th – 85th percentile |
| Overweight | 25.0 – 29.9 | 85th – 95th percentile |
| Obese | ≥ 30.0 | ≥ 95th percentile |
Calculate accurate BMI for adults, children, and teenagers. This tool automatically adjusts interpretation based on age for better accuracy.