Predicting your Child's Height

Quick Parenting Tips

These "Quick Parenting Tips" have been written by our staff and Pediatric Web regarding common childhood behavior issues.  For more in depth parenting advice, see the many websites and books recommended by our staff on our Behavior / Parenting page.

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Predicting your Child's Height

Parents often are very curious about predicting their child's adult height. You can try to estimate it using one of the following methods:

(1) Review your child's height growth curve with your pediatrician once your child is older than 2 years, and extrapolate it out to 18 years of age on the growth curve.

(2) Try this: Girls are half of their adult height at 18 months of age, while boys are half of their adult height at 24 months of age.

(3) If you like mathematical formulas, calculate this: For girls, take the father's height in inches and subtract 2.5 inches; then, add it to the mother's height in inches, and divide this sum by 2 to get a predicted height in inches. For boys, take the mother's height in inches and add 2.5 inches; then, add it to the father's height in inches, and divide this sum by 2 to get a predicted height in inches.

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Disclaimer:  If you are not a patient of Advanced Pediatric Associates, we recommend that you consult with your own physician regarding health concerns. This information is provided as a guide to our patients, but in no way replaces the advice given by our staff. Occasionally, advice given by our providers or nurse line may vary slightly from that offered by Pediatric Web and its contributors. If you are unsure of any issue regarding your child's health, please call our Patient Care Line at (303) 699-6200. 

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