The result of your conversion between kiloelectronvolt and zettajoule appears here
To convert between Kiloelectronvolt and Zettajoule you have to do the following:
First divide 1.6021773e-16 / 1.0e+21 = 0.
Then multiply the amount of Kiloelectronvolt you want to convert to Zettajoule, use the chart below to guide you.
Symbol: keV
No description
Symbol: zJ
No description