The result of your conversion between zettajoule and thermie appears here
To convert between Zettajoule and Thermie you have to do the following:
First divide 1.0e+21 / 4185800 = 238902957618615.3125
Then multiply the amount of Zettajoule you want to convert to Thermie, use the chart below to guide you.
Symbol: zJ
No description
Symbol: th
No description