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