How tall is the you phone 5?

Answer 1

Fifty feet.

The iPhone 5, on the other hand, is 123.8 mm (4.87") in height, 58.6 mm (2.31") in width and 7.6 mm (0.3") in depth.

If you're asking about the screen itself, it's 4" diagonal and has a resolution of 1136x640 pixels.