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