Kips per square inch to megabars conversion calculator shown above calculates how many megabars are in 'X' kips per square inch (where 'X' is the number of kips per square inch to convert to megabars). In order to convert a value from kips per square inch to megabars (from ksi to Mbar) type the number of ksi to be converted to Mbar and then click on the 'convert' button.