Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Pediatrics
Pediatric BMI Calculator
Calculates BMI for children and teens aged 2–19 from weight and height. Use it during well-child visits or growth monitoring as a starting point — the result must be plotted on a CDC/WHO BMI-for-age percentile chart for interpretation.
Fill in the required fields to see your result.
Pediatrics
Pediatric BMI Percentile Calculator
Determines where a child's BMI falls on CDC growth charts for ages 2–20. Use it at well-child visits or when a pediatrician asks you to track healthy weight trends over time.
Fill in the required fields to see your result.
Key differences
| Pediatric BMI Calculator | Pediatric BMI Percentile Calculator | |
|---|---|---|
| Category | Pediatrics | Pediatrics |
| Inputs required | 2 | 3 |
| Result | BMI (kg/m²) | BMI Percentile (percentile) |
| What it does | Calculates BMI for children and teens aged 2–19 from weight and height. Use it during well-child visits or growth monitoring as a starting point — the result must be plotted on a CDC/WHO BMI-for-age percentile chart for interpretation. | Determines where a child's BMI falls on CDC growth charts for ages 2–20. Use it at well-child visits or when a pediatrician asks you to track healthy weight trends over time. |