how much juice to get nicotine from cigarette
An average e-cigarette carto contains liquid of a medium strength of 18mg (18mg/ml or 1.8%). It may contain liquid of a strength from zero up to 36mg (although 45mg is available from some sources). At a strength of 36mg, then 3.6% of the liquid is nicotine, and 1ml of liquid contains 36mg of nicotine.