Milli-electron volts to millijoules converter on this page calculates how many millijoules are in 'X' milli-electron volts (where 'X' is the number of milli-electron volts to convert to millijoules). In order to convert a value from milli-electron volts to millijoules (from meV to mJ) simply type the number of meV to be converted to mJ and then click on the 'convert' button.