Kilobars to kilograms-force per square millimeter conversion calculator above calculates how many kilograms-force per square millimeter are in 'X' kilobars (where 'X' is the number of kilobars to convert to kilograms-force per square millimeter). In order to convert a value from kilobars to kilograms-force per square millimeter (from kbar to kgf/mm²) simply type the number of kbar to be converted to kgf/mm² and then click on the 'convert' button.