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