Bars to kilograms-force per square millimeter converter on this page calculates how many kilograms-force per square millimeter are in 'X' bars (where 'X' is the number of bars to convert to kilograms-force per square millimeter). In order to convert a value from bars to kilograms-force per square millimeter (from bar to kgf/mm²) simply type the number of bar to be converted to kgf/mm² and then click on the 'convert' button.