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