The original World Trade Center Twin Towers (1973–2001) had nearly identical footprints and heights:
| Dimension | North Tower (1 WTC) | South Tower (2 WTC) |
|---|---|---|
| Height (architectural) | 1,368 ft (417 m) | 1,362 ft (415 m) |
| Height (to roof) | 1,368 ft | 1,362 ft |
| Width (E-W) | 207 ft (63 m) | 207 ft (63 m) |
| Length (N-S) | 207 ft (63 m) | 207 ft (63 m) |
| Depth (core) | 140 ft (43 m) | 140 ft (43 m) |
| Floors | 110 | 110 |
| Floor area (each) | ~40,000 sq ft | ~40,000 sq ft |
One World Trade Center (Freedom Tower, 2014) is 1,776 ft tall (spire), 200 ft square footprint, 104 floors—different design, taller, smaller floor plates.