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