The result of your conversion between kilogram calorie and zettajoule appears here
To convert between Kilogram Calorie and Zettajoule you have to do the following:
First divide 4185.8 / 1.0e+21 = 0.
Then multiply the amount of Kilogram Calorie you want to convert to Zettajoule, use the chart below to guide you.
Symbol: kg cal
No description
Symbol: zJ
No description