The answer may change depending on the cup. Here’s how much caffeine is in a cup of coffee, and why it can vary..An average cup of coffee contains mg of caffeine, but some types contain over mg. This article lists the caffeine content in different coffee types..Caffeine In Coffee Depends On A Number Various Factors Have you ever wondered precisely how much caffeine is in that cup of coffee or espresso you are drinking? The .After brewing, however, a cup of coffee has more caffeine than a cup of tea. The reason for this is simple coffee is a stronger beverage than tea..
Coffee is the biggesttary source of caffeine. You can expect to get around mg of caffeine from an average cup of coffee. However, this amount varies between different coffee drinks, and can .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 ..