Tons of oil equivalent to kilojoules conversion calculator above calculates how many kilojoules are in 'X' tons of oil equivalent (where 'X' is the number of tons of oil equivalent to convert to kilojoules). In order to convert a value from tons of oil equivalent to kilojoules (from TOE to kJ) simply type the number of TOE to be converted to kJ and then click on the 'convert' button.