Question on scale and size

How much bigger is a 1/100 scale Gundam from a 1/144 scale Gundam?

If an object’s true height is 50 feet, in 1/100 scale it would be (50 x 12) / 100 = 6 inches. In 1/144 scale, it would be (50 x 12) / 144 = 4.1666 inches

I love the 1/100 scale stuff and am wanting to build a couple Geara Zulus but can only find them in 1/144 scale. Wondering exactly what thier size would be.