<Tr> <Td> 6998150000000000000 ♠ 1.5 × 10 -- 6998200000000000000 ♠ 2 × 10 </Td> <Td> 17.4 -- 23.2 GWh </Td> <Td> The Little Boy atomic bomb dropped on Hiroshima on August 6 , 1945 , exploded with an energy of about 15 kilotons of TNT ( 63 TJ ) , and the Fat Man atomic bomb dropped on Nagasaki on August 9 , 1945 , exploded with an energy of about 20 kilotons of TNT ( 84 TJ ) . The modern nuclear weapons in the United States arsenal range in yield from 0.3 kt ( 1.3 TJ ) to 1.2 Mt ( 5.0 PJ ) equivalent , for the B83 strategic bomb . </Td> </Tr>
<Tr> <Td> 6998150000000000000 ♠ 1.5 × 10 -- 6998200000000000000 ♠ 2 × 10 </Td> <Td> 17.4 -- 23.2 GWh </Td> <Td> The Little Boy atomic bomb dropped on Hiroshima on August 6 , 1945 , exploded with an energy of about 15 kilotons of TNT ( 63 TJ ) , and the Fat Man atomic bomb dropped on Nagasaki on August 9 , 1945 , exploded with an energy of about 20 kilotons of TNT ( 84 TJ ) . The modern nuclear weapons in the United States arsenal range in yield from 0.3 kt ( 1.3 TJ ) to 1.2 Mt ( 5.0 PJ ) equivalent , for the B83 strategic bomb . </Td> </Tr>
how much energy was released by the hiroshima bomb
how much energy was released by the hiroshima bomb
15 kilotons
15 kilotons