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