Millipascals to newtons per square meter converter on this page calculates how many newtons per square meter are in 'X' millipascals (where 'X' is the number of millipascals to convert to newtons per square meter). In order to convert a value from millipascals to newtons per square meter (from mPa to N/m²) type the number of mPa to be converted to N/m² and then click on the 'convert' button.