amount of nicotine in cigarettes
How Many MG Of Nicotine In A Cigarette. Cigarettes contain anywhere from 8 mg of nicotine up to 20 mg of nicotine. Most cigarettes are at the lower end of the spectrum, which puts the average amount on nicotine in one cigarette at 12 mg. While the total amount of nicotine in a cigarette may vary, the amount that you actually absorb is relatively constant.