Miles per minute to nautical miles per hour converter above calculates how many nautical miles per hour are in 'X' miles per minute (where 'X' is the number of miles per minute to convert to nautical miles per hour). In order to convert a value from miles per minute to nautical miles per hour (from mpm to nmi/h) simply type the number of mpm to be converted to nmi/h and then click on the 'convert' button.