Cubic millimeters to nanoliters conversion calculator shown above calculates how many nanoliters are in 'X' cubic millimeters (where 'X' is the number of cubic millimeters to convert to nanoliters). In order to convert a value from cubic millimeters to nanoliters (from mm³ to nL) simply type the number of mm³ to be converted to nL and then click on the 'convert' button.