Megabars to kilopascals conversion calculator above calculates how many kilopascals are in 'X' megabars (where 'X' is the number of megabars to convert to kilopascals). In order to convert a value from megabars to kilopascals (from Mbar to kPa) type the number of Mbar to be converted to kPa and then click on the 'convert' button.