Respuesta :

There are about 8 mg up to 20 mg of nicotine.
So....don't smoke! 
(o^▽^o)

Cigarettes can comprise of anywhere from 8 mg up to 20 mg of nicotine. Most cigarettes are at the lower end of the spectrum, which makes the average amount of nicotine in one cigarette at 12 mg.

I hope this helps you and have a great rest of the day!! :)