Use this useful tool to convert charge choosing one of the 15 units of measurment included in this app (with the availability to add custom units), that are:
coulomb, megacoulomb, kilocoulomb, millicoulomb, microcoulomb, nanocoulomb, picocoulomb, abcoulomb, statcoulomb, franklin, ampere-hour, ampere-minute, ampere-second, Elementary charge, faraday (based on carbon 12).