Is 400,000 slugs as heavy as The Sears Tower?
It's about one-thirty-fifth as heavy as The Sears Tower
The weight of The Sears Tower is about 13,830,000 slugs.
(officially "Willis Tower" as of 2009) (Chicago, Illinois)
The Willis Tower weighs approximately 13,830,000 slugs. The outer wall surface of the Tower is covered with black anodized aluminum panels which would total 110,000 sq. m (28 acres) if laid out together.
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