average cup of coffee caffeine
Caffeine in Coffee. The exact amount of caffeine in a cup of coffee will vary depending on how strong you make it, although youâll typically get roughly 95 milligrams from an 8-ounce freshly brewed cup.n those days when you need that extra kick and order a shot of espresso to add to your coffee, youâll pack in another 65 milligrams of caffeine from just 1 ounce of espresso. Youâll even get a small amount of caffeine from decaf coffee. One cup of decaf can have close to 10 milligrams of caffeine.