How Much Caffeine Is In A Shot Of Espresso, Compared To A Cup Of Coffee?

Q: Does a shot of Espresso have more, or less, caffeine than a cup of brewed coffee? How much? Links would be great! I need to calculate safe levels of caffeine. Thanks!

A: I know that one shot of Expresso have much more caffeine than a cup of coffee, which is why they serve them in those tiny cups. I hope this link helps. Here's a good caffeine chart. I found it doing Yahoo search. There are lots of them. know that one shot of Espresso has less caffeine than one cup of coffee (8 0z.), but I'm not sure exactly how many milligrams it contains.