Asked in
Japan in WW2
Nuclear Weapons
Hiroshima and Nagasaki Atomic Bombings
Atomic Bombs

How much did the atomic bombs 'Little Boy' and 'Fatman' weigh?


User Avatar
Wiki User
December 15, 2008 9:05PM

The Little Boy weapon which was the first of the atomic bombs that was deployed (and was dropped on Hiroshima) weighed some 8,818.49 pounds, or 4,000 kilograms. A link is provided below.