Calculators

Child Height Predictor

Estimate a child's adult height.

Units

Mother's height (cm)Father's height (cm)Child's sex

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Predicted adult height

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Likely range (± 8.5 cm)

Uses the mid-parental (Tanner) method. Actual adult height depends on genetics, nutrition and health, so treat this as a rough guide only.

This free child height predictor estimates a child's likely adult height from the parents' heights using the mid-parental method. It averages the two parents' heights, adjusts for the child's sex, and shows a predicted height with a typical range. Switch between centimetres and inches with the unit toggle.

For entertainment only — this is a novelty tool and not medical, scientific or professional advice.