kt TNT

kiloton of TNT

Energyexact by definition

The kiloton of TNT is exactly 4.184 terajoules by convention. It is the unit of tactical nuclear yields and of the largest conventional and accidental explosions: the Hiroshima device was about 15 kt, and the 2020 Beirut ammonium nitrate explosion is estimated at 0.5 to 1.1 kt.

1 kt TNT 4,184,000,000,000 J