Boy
(father + mother + 13) / 2
Child Height Calculator — Mid-Parental Height Formula
Enter father height, mother height, and child gender to estimate average adult height and a typical range.
Child Height Calculator
Mid-parental height estimate with a typical range.
Estimated average
175 cm
Typical range
168-183 cm
Formula: (father + mother + gender factor) / 2, with +13 cm for boys and -13 cm for girls.
Mid-parental height is a simple parent-height estimate
This follows the ahoxy logic: add father height, mother height, and a gender factor, then divide by two. It shows the rounded average and a typical range using ±7.5 cm.
Formula
Girl
(father + mother - 13) / 2
Range
round(avg - 7.5) to round(avg + 7.5)
How to use
- Adjust the inputs to match your situation.
- Read the result together with the formula cards.
- Confirm official figures with the relevant authority before acting.
Frequently asked questions
What does this calculator estimate?
This follows the ahoxy logic: add father height, mother height, and a gender factor, then divide by two. It shows the rounded average and a typical range using ±7.5 cm.
Is the result official?
This is not medical advice. Ask a pediatric or growth specialist about medical growth concerns.
What logic is used?
This follows the ahoxy logic: add father height, mother height, and a gender factor, then divide by two. It shows the rounded average and a typical range using ±7.5 cm.
This is not medical advice. Ask a pediatric or growth specialist about medical growth concerns.