Feet per second to centimeters per second converter above calculates how many centimeters per second are in 'X' feet per second (where 'X' is the number of feet per second to convert to centimeters per second). In order to convert a value from feet per second to centimeters per second (from ft/s to cm/s) simply type the number of ft/s to be converted to cm/s and then click on the 'convert' button.