The result of your conversion between petajoule and megaton [explosive] appears here
To convert between Petajoule and Megaton [explosive] you have to do the following:
First divide 1.0e+15 / 4.184e+15 = 0.23900574
Then multiply the amount of Petajoule you want to convert to Megaton [explosive], use the chart below to guide you.
Symbol: PJ
No description
Symbol: Mt
No description