3 ms·Megatons of TNT equivalent for big bombs.by m_eiman 7y agoMegatons of TNT equivalent for big bombs.bdowling 7y agoAre those metric tons or imperial tons? If metric, why aren't they gigakilograms (teragrams?) of TNT?bdowling 7y agoAnswering my own question, "megatons of TNT" does refer to metric tons.