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