Child Weight Percentile Calculator

Free calculate child weight percentile based on age and sex. This is an educational tool only - always consult a healthcare provider.

Child Information

Results

Enter child information to calculate percentile

About Weight Percentiles

  • • Based on CDC growth charts
  • • Percentiles compare to same-age, same-sex children
  • • <5th: Underweight (may need evaluation)
  • • 5th-85th: Normal range
  • • 85th-95th: Overweight
  • • >95th: Obese