Height: Parental height gives a rough estimate, not a growth diagnosis or a guaranteed adult height.
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Height Calculator for United States
US · 12,345.67US customary measurementsRoad distance: miles
United States display and unit preferences. The stated calculation method is used. Review the labeled units before entering your values.
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Your details
Enter mother's height (in). The calculation converts these units internally.
Enter father's height (in). The calculation converts these units internally.
Enter height (in). The calculation converts these units internally.
Enter a whole number.
Mid-parental height estimate (in)
70.472
United States · calculated from your inputs
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How this result was calculated
Mid-parental adult-height estimate=(mother+father±13 cm)/2. Unit conversion uses 2.54 cm/inch and 12 inches/foot.
Country setup: United States. Displayed measurements are converted to the formula's base units internally.
Assumption: Parental height gives a rough estimate, not a growth diagnosis or a guaranteed adult height. This does not implement the age/weight-based Khamis–Roche prediction model. United States display and unit preferences. The stated calculation method is used. Review the labeled units before entering your values.
Calculation version 1.0.0 · Support state: generic
Formula and method
Mid-parental adult-height estimate=(mother+father±13 cm)/2. Unit conversion uses 2.54 cm/inch and 12 inches/foot.
This calculation uses the values you enter. It runs in your browser and does not request a location or account.
Worked example
5 feet 9 inches is 175.26 cm.
Questions people ask
Which method does this tool use?
Mid-parental adult-height estimate=(mother+father±13 cm)/2. Unit conversion uses 2.54 cm/inch and 12 inches/foot.
What should I check before using the result?
Parental height gives a rough estimate, not a growth diagnosis or a guaranteed adult height. This does not implement the age/weight-based Khamis–Roche prediction model.