The following images below show what you consume when you purchase either an espresso (~1oz) and a standard cup of coffee (8oz). That is, if you consume an espresso you'll take in about 30-50mg of caffeine, while a drip coffee about 65-120mg. Of course, these are simply averages, but you get the gist. Caffeine Content in Drip Coffee (8oz) vs ...
However, when you get down to numbers the amount of caffeine is greater in a drip cup of coffee. One 2 oz double espresso shot has about 80 milligrams of caffeine. Whereas a 12 oz brewed coffee has about 120 milligrams. So actually there is more caffeine in an average cup of drip coffee than in espresso.
A 2oz. serving of espresso contains 60-100mg of caffeine. Per ounce, espresso contains more caffeine — 30-50mg/oz. compared to coffee’s 8-15mg/oz. However, as espresso is usually consumed in a serving size of 2oz. or less, a single serving of coffee generally delivers more caffeine than a single serving of espresso. Flavor
However, caffeine counts for espresso and coffee vary among brands and depend on the type of bean, the roast, the amount of coffee used, and the way it's prepared (brewed, French press, espresso ...
The question is, isn’t espresso a coffee? Yeah, obviously. Coffee is a liquid beverage extracted from the bean. So, You can get a cup of espresso coffee by using the robusta or arabica coffee beans. Note: Due to high caffeine content, Robusta is suitable for making a shot of espresso.
A standard cup of regular joe (8 oz of drip coffee) contains about 65-120 mg of caffeine, compared to a 1 oz shot of espresso’s 30-50 mg of caffeine. Espresso’s comparatively higher amount of caffeine-per-ounce has everything to do with its brewing technique and not much to do with the actual coffee beans used.
There are a few differences between making espresso and brewing coffee with something like a French press or Chemex. For starters, an espresso machine is a completely different contraption, and because of the extraction method — which involves hot water at a high pressure — beans are ground much finer than what you would use in a pour-over method.
Smart Home Coffee vs. cold brew vs. espresso: Which has the most caffeine? No matter how you take your coffee in the morning, it's sure to get you going.
Espresso has more caffeine per unit volume than most coffee beverages, but because the usual serving size is much smaller, the total caffeine content is less than a mug of standard brewed coffee, contrary to a common belief.
Keep in mind that the actual caffeine content of a cup of coffee or tea can vary considerably because of factors such as origin, processing and preparation method, including brewing time. So use these numbers as a guide. The charts below show typical caffeine content in popular beverages. Drink sizes are in fluid ounces (oz.) and milliliters (mL).