Here's How Johnny Galecki's Net Worth and Career Skyrocketed Jonny heart Gale vertical measurement is approximately 165 centimeters. He is at a medium height. Although some may consider him not remarkably tall, his talent is limitless. Irrespective of Johnny's upright dimension, he is respected in showbiz for his acting skills. Johnny has proved time and again that height is not a determining factor when it comes to achieving excellence.