Dimensions of the Original World Trade Center Twin Towers

The North Tower (1 WTC) stood 1,368 ft (417 m) tall; the South Tower (2 WTC) was 1,362 ft (415 m). Each tower was 208 ft (63 m) square at the base, with a footprint of ~390,000 sq ft (36,200 m²). Combined floor area was ~780,000 sq ft (72,400 m²). Each tower contained ~13 million cubic meters of volume, totaling ~26 million cubic meters for both. They had 110 stories each and were the world's tallest buildings from 1971–1973.