How Tall Is Johnny Galecki Height Comparison YouTubeJonathan amour Gal height is about 1.65 meters. He is at a modest height. Although some may consider him not to be excessively tallness, his skills is limitless. Irrespective of Johnny's upright dimension, Johnny is valued within the entertainment world for both his acting abilities. He has established time and again that one's stature doesn't dictate success when it comes to achieving greatness.