Kilojoules to milli-electron volts conversion calculator above calculates how many milli-electron volts are in 'X' kilojoules (where 'X' is the number of kilojoules to convert to milli-electron volts). In order to convert a value from kilojoules to milli-electron volts (from kJ to meV) type the number of kJ to be converted to meV and then click on the 'convert' button.