
The iPhone Air and US Dollar Bill are most easily told apart by their overall size. On height, the iPhone Air measures 156.2 mm against the US Dollar Bill's 66.3 mm — about 89.9 mm more. On width, the US Dollar Bill measures 156.0 mm against the iPhone Air's 74.7 mm — about 81.3 mm more. On thickness, the iPhone Air measures 5.6 mm against the US Dollar Bill's 0.1 mm — about 5.5 mm more.
Only the iPhone Air lists a weight (165 g), so a direct comparison is not possible.
Fits in most pockets, may feel snug when sitting.
Most of the screen is reachable, shifting grip needed for corners.
| Metric | iPhone Air | US Dollar Bill | Diff |
|---|---|---|---|
| Width | 74.7 mm | 156.0 mm | -81.3 mm |
| Height | 156.2 mm | 66.3 mm | +89.9 mm |
| Depth | 5.6 mm | 0.1 mm | +5.5 mm |
| Weight | 165 g | N/A | - |