Mid-Parental Height
Calculate your child's genetic height expectation from parental heights. Gold standard in pediatric endocrinology clinics.
Formula
Typical clinical range ±8.5 cm — this is a familial variation band, NOT a precise prediction.
Frequently asked questions
Is mid-parental height a final adult-height guarantee?
No. It estimates a target-height range from parent heights; nutrition, puberty timing, chronic disease and measurement quality can change interpretation.
Can I use it if one parent height is unknown?
This method needs both parent heights. If one is missing, percentile tracking and clinical growth history are more useful.
How should I read the result interval?
Read it as an approximate range, not a promise. Growth velocity and pubertal stage can shift how the range is interpreted.
What if the estimate looks low?
One estimate is not a diagnosis. Ask a pediatric clinician if the child is losing percentiles, growth velocity slows, or puberty timing looks unusual.
Which ages is this useful for?
It is useful as a family target-height reference, but child growth should be followed with age-specific percentiles and serial measurements.