Child height predictor
Estimate a child's adult height from their parents' heights, with a likely range.
About this calculator
Enter the mother's and father's heights and the child's sex. The calculator uses the mid-parental height method and shows a likely range of about 8.5 cm (3.3 inches) either way.
It is a rough guide only. Ask a doctor if you are concerned about growth.
Measurements and terms explained
- Mid-parental height
- The average of the two parents' heights, adjusted by 13 cm (5 inches) for the child's sex.
- Range
- Roughly the spread seen between children and their predicted height, about ±8.5 cm.
Common questions
How accurate is it?
About two thirds of children end up within the range shown. Nutrition and health also matter.
Can I use it for adults?
No. It is for predicting a child's final adult height.
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