Review Of How To Find Out How Tall You Are At Home Ideas. How tall will i be? One of them is adding 2.5 inches (7.6 cm) to the average of the parent's height for a boy and subtracting 2.5 inches (7.6 cm) for a girl.

If you're outside of that range, i'm sorry but it's just gonna tell you. Add the heights of the mother and father in inches or millimeters. Don't get discouraged if you haven't finished growing yet.