Teaspoons (US) to fluid ounces (US) converter above calculates how many fluid ounces (US) are in 'X' teaspoons (US) (where 'X' is the number of teaspoons (US) to convert to fluid ounces (US)). In order to convert a value from teaspoons (US) to fluid ounces (US) (from tsp to fl oz) simply type the number of tsp to be converted to fl oz and then click on the 'convert' button.