For instance, an average 8-oz cup of brewed decaf coffee contains about 2 mg of caffeine. Decaffeinated brewedĭespite its name, decaffeinated, or decaf coffee, still contains some caffeine. People can make brewed coffee in a variety of ways, such as using a filter, a percolator, or a French press. This mixture usually sits in a paper, metal, or plastic filter that separates the coffee grounds from the brewed liquid. Brewed coffeeĪn 8-oz cup of brewed coffee typically contains 80–100 mg of caffeine.īrewed coffee involves brewing ground coffee beans in hot water. The following list summarizes the caffeine content of some of the most common types of coffee. Different types of coffee contain varying amounts of caffeine.
