Baby & Toddler Growth by Age

Average weight, height and head circumference for every age from birth to 5 years, for boys and girls, straight from the WHO Child Growth Standards. Pick an age for the full percentile range — or calculate your own baby's percentile.

Birth to 2 years

Weight — Boy

Weight — Girl

Length — Boy

Length — Girl

2 to 5 years

Weight — Boy

Weight — Girl

Height — Boy

Height — Girl

Head circumference — birth to 2 years

Head Circumference — Boy

Head Circumference — Girl

Percentiles from the WHO Child Growth Standards (2006). Informational only — not medical advice. Full disclaimer.