Millimeters per second to inches per hour converter above calculates how many inches per hour are in 'X' millimeters per second (where 'X' is the number of millimeters per second to convert to inches per hour). In order to convert a value from millimeters per second to inches per hour (from mm/s to in/h) type the number of mm/s to be converted to in/h and then click on the 'convert' button.