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