The iPhone 1 (1st Generation Apple iPhone) is approximately 4.53 inches (115 mm) long.
Dimensions of iPhone 1
- Height (length): 4.53 inches (115 mm)
- Width: 2.40 inches (61 mm)
- Depth (thickness): 0.46 inches (11.6 mm)
This makes the iPhone 1 notably smaller and thicker than modern smartphones, reflecting its 2007 design era.