A baby's adult height

Estimate how tall a newborn — or a baby not yet born — is likely to be as an adult, from the parents' heights.

About the baby

Boys and girls differ by about 13 cm as adults, so this is needed.

Is the baby born?

Sex

Recorded with the estimate. Birth size barely predicts adult height — the parents' heights carry almost all of it.

Birth length (cm)

Birth weight (kg)

Both heights are required — they are what this estimate is built from.

Mother's height (cm)

Father's height (cm)

Select all that apply. Used only to add context to the explanation — the estimate itself comes from the parents' heights.

For informational purposes only. Not medical advice.