
Espresso has risen to fame as the base for a variety of trendy coffee creations (such as the beloved espresso martini). It's also perfect for sipping solo when you need an energy boost. Additionally, it's ideal for coffee makers with bean grinders.
But just how much caffeine is packed into that shot of espresso? And how many shots of espresso go into your favorite coffeehouse beverages? You might be surprised by the powerful punch that tiny espresso cup holds.
What exactly is espresso?
Espresso is a concentrated, one-ounce shot of coffee, made by forcing hot water through finely ground coffee beans (the same kind used for a regular cup) under high pressure. A key characteristic of espresso is the "crema," a creamy layer that rests on top of the drink.
How much caffeine does espresso contain?
A typical one-ounce shot of espresso contains about 63 milligrams of caffeine, as reported by the USDA. However, caffeine content can vary depending on the type of espresso, and some brands offer stronger shots. For example, a Starbucks espresso shot has 75 milligrams of caffeine, and certain beverages may contain multiple shots, depending on the size and drink type. (Some venti iced drinks, for instance, have three shots!)
How does the caffeine content of a cup of coffee compare to a shot of espresso?
Espresso packs more caffeine per ounce than regular coffee. An eight-ounce cup of coffee contains roughly 95 milligrams of caffeine, meaning each ounce of coffee has only 12 milligrams, compared to the 63 milligrams found in a shot of espresso.

How much caffeine is safe to consume?
The FDA typically advises that most people should limit caffeine intake to no more than 400 milligrams per day. So, for the average person, one or two shots of espresso should stay within the daily recommended limits—unless you're adding in several cups of green tea (30 to 50 milligrams per cup), Diet Coke (46 milligrams per 12-ounce can), or a lot of chocolate (12 milligrams per ounce of dark chocolate). Keep in mind, some individuals are more sensitive to caffeine than others, and the speed at which you consume it can intensify its effects.
If you're pregnant, your caffeine limits should be reduced. The American College of Obstetricians and Gynecologists recommends limiting caffeine consumption to 200 milligrams or less per day.
Fun Ways to Enjoy Espresso (Beyond a Cup)
Espresso is fantastic in a latte, but it can also shine in creative cocktails or even an espresso slushy (blend coffee, creamer, ice, and flavored syrup if desired, for a cool treat). If you don't have an espresso machine at home, you can substitute with strong brewed coffee for many drinks or use rehydrated espresso powder, which is simply brewed espresso that has been dried and ground into granules.