Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

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.

Head Circumference (cm)

Age (months)

Fill in the required fields to see your result.

Pediatrics

Child Growth Percentile Calculator

Compare your child's height and weight against WHO or CDC growth standards to see where they fall among peers. Use this tool at pediatric check-ups or whenever you want to track growth trends over time.

Child's Age (years)

Height (inches)

Gender

Growth Chart Standard

Fill in the required fields to see your result.

Key differences

	Head Circumference Percentile Calculator	Child Growth Percentile Calculator
Category	Pediatrics	Pediatrics
Inputs required	2	4
Result	Percentile (%)	Height Percentile (%)
What it does	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.	Compare your child's height and weight against WHO or CDC growth standards to see where they fall among peers. Use this tool at pediatric check-ups or whenever you want to track growth trends over time.