Teaspoons (FDA) to fluid drachms conversion calculator shown above calculates how many fluid drachms are in 'X' teaspoons (FDA) (where 'X' is the number of teaspoons (FDA) to convert to fluid drachms). In order to convert a value from teaspoons (FDA) to fluid drachms (from tsp to fl drc) just type the number of tsp to be converted to fl drc and then click on the 'convert' button.