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