How much coffee how much caffeine is in a cup of coffee?
The average caffeine content of an 8-oz, brewed cup of coffee is 95 mg. A single espresso or espresso-based drink contains 63 mg, and decaf coffee contains about 3 mg of caffeine (on average).
One cup of brewed coffee (8 oz) contains about 70–140 mg of caffeine, or about 95 mg on average.
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