Tablespoons (FDA) to milliliters conversion calculator shown above calculates how many milliliters are in 'X' tablespoons (FDA) (where 'X' is the number of tablespoons (FDA) to convert to milliliters). In order to convert a value from tablespoons (FDA) to milliliters (from tbsp to mL) type the number of tbsp to be converted to mL and then click on the 'convert' button.