Height Predictor

— cm
Predicted (Boy)
— cm
Boy Range (±8.5cm)
— cm
Predicted (Girl)
— cm
Girl Range (±8.5cm)
Formula: Boy = (Father + Mother + 13) / 2 | Girl = (Father + Mother - 13) / 2. Genetics accounts for ~80% of height; nutrition, sleep, and exercise account for the rest.