Head Circumference Percentile

Calculate head circumference percentile for infants and children. Assess head growth and identify microcephaly or macrocephaly. This is an educational tool only - always consult a healthcare provider.

Child Information

Results

Enter child information to calculate percentile

About Head Circumference

  • • <3rd: Microcephaly
  • • 3rd-97th: Normal
  • • >97th: Macrocephaly
  • • Growth velocity important