Gigapascals to gigabars converter on this page calculates how many gigabars are in 'X' gigapascals (where 'X' is the number of gigapascals to convert to gigabars). In order to convert a value from gigapascals to gigabars (from GPa to Gbar) just type the number of GPa to be converted to Gbar and then click on the 'convert' button.