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