The result of your conversion between zeptojoule and gram calorie appears here
To convert between Zeptojoule and Gram Calorie you have to do the following:
First divide 1.0e-21 / 4.1858 = 0.
Then multiply the amount of Zeptojoule you want to convert to Gram Calorie, use the chart below to guide you.
Symbol: zJ
No description
Symbol: g cal
No description