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