Mid-Parental Adult Height Range Estimate

AAP mid-parental rule: mean parental height plus2.5in for boys or minus2.5in for girls,with a rough ±4in margin. This is not a statistical confidence interval or guaranteed adult height. Does not model growth charts,bone age or hormones and is not a growth diagnosis/treatment tool.

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Result

Enter your values and run the tool to see your result.

How to use this tool

Check the units, enter your values, and run the tool. Results follow the assumptions and method below.

Calculation method

Rough mid-parental central estimate(mother+father)/2+(2*sex-1)*6.35

Lower edge of AAP rough error margin(mother+father)/2+(2*sex-1)*6.35-10.16

Upper edge of AAP rough error margin(mother+father)/2+(2*sex-1)*6.35+10.16

References

https://www.healthychildren.org/English/health-issues/conditions/Glands-Growth-Disorders/Pages/Predicting-a-Childs-Adult-Height.aspx