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