How Tall the Twin Towers Were

The North Tower, 1 World Trade Center, stood 1,368 feet and the South Tower, 2 World Trade Center, 1,362 feet. Completed in 1972 and 1973, they were the tallest buildings in the world at completion. One World Trade Center, built after the attacks, is 1,776 feet to the tip of its spire.

North Tower1,368 feet

South Tower1,362 feet

One World Trade Center1,776 feet

1,368 and 1,362 feet

The two towers were completed in 1972 and 1973. Their footprints are now the two memorial pools, each nearly an acre; the pools page explains the design. The Petronas Towers in Kuala Lumpur, also called twin towers, are unrelated and not covered here.

One World Trade Center today

One World Trade Center rises 1,776 feet to its spire, the tallest building in the Western Hemisphere. One World Observatory occupies floors 100 to 102 at 1,268 feet, on a separate ticket; three walks on this site bundle it, compared on the observatory combinations page. The towers were completed in 1972 and 1973.

Frequently asked questions

How tall were the Twin Towers?

1,368 feet for the North Tower and 1,362 feet for the South Tower.

How tall is One World Trade Center?

1,776 feet to the spire. The observatory is at 1,268 feet on floors 100 to 102; see what to see nearby.

Were the Twin Towers the tallest in the world?

At completion in 1972 and 1973, yes.