The yield of the test has been estimated at 50 to 58 megatons of TNT (210 to 240 PJ) by different sources over time. Today all Russian sources use 50 megatons as the official figure. See the section "Was it 50 Megatons or 57?" at «The Tsar Bomba ("King of Bombs")». Ανακτήθηκε στις 30 Οκτωβρίου 2014.