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