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

Boy

(father + mother + 13) / 2

Girl

(father + mother - 13) / 2

Range

round(avg - 7.5) to round(avg + 7.5)

How to use

  1. Adjust the inputs to match your situation.
  2. Read the result together with the formula cards.
  3. 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.