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