Skip to content
Calculator Collection

Compare calculators

Both calculators run independently β€” change the inputs on either side to compare results.

Pediatrics

Child Developmental Milestones Calculator

Score your child's developmental progress across motor, language, and social-emotional domains relative to age-based milestones. Useful for parents or clinicians preparing for a developmental screening appointment.

Development Score

300 % of expected

Pediatrics

Head Circumference Percentile Calculator

Plots a child's head circumference against age-based growth norms to return a percentile. Used by pediatricians to screen for microcephaly, macrocephaly, and hydrocephalus.

Fill in the required fields to see your result.

Key differences

Child Developmental Milestones CalculatorHead Circumference Percentile Calculator
CategoryPediatricsPediatrics
Inputs required32
ResultDevelopment Score (% of expected)Percentile (%)
What it doesScore your child's developmental progress across motor, language, and social-emotional domains relative to age-based milestones. Useful for parents or clinicians preparing for a developmental screening appointment.Plots a child's head circumference against age-based growth norms to return a percentile. Used by pediatricians to screen for microcephaly, macrocephaly, and hydrocephalus.