How much nicotine am I getting per vape hit?

Okay, so I Vape in very “precise” ways but I cannot figure out how to calculate (do the proper math) on how much I nicotine I am consuming. Can someone help? I have been vaping the exact same way daily for a long time, but still don’t know how much nicotine I get (just an estimate) per session because I suck at math…

Details:
1.) I vape 3mg (3mg of nicotine, per ml of juice) of nicotine using a “Smok Nfix” that holds a 3ml pod of nicotine juice. So that’s 9mg of nicotine, per pod.

2.)…

How much nicotine am I getting per vape hit?

Original source: https://www.e-cigarette-forum.com/threads/how-much-nicotine-am-i-getting-per-vape-hit.959229/