Megabars to newtons per square millimeter converter on this page calculates how many newtons per square millimeter are in 'X' megabars (where 'X' is the number of megabars to convert to newtons per square millimeter). In order to convert a value from megabars to newtons per square millimeter (from Mbar to N/mm²) just type the number of Mbar to be converted to N/mm² and then click on the 'convert' button.