Video: Combine the contents of multiple cells into one cell. Applies To: Excel 2010 More... Less. Learn how to combine separate columns of information, such as first and last names, into a single column.
A cup of instant coffee contains about 40 - 120 mg caffeine. A cup is usually understood to contain 150 ml (5 oz in the United States), but the range of measurements is so wide that, for most individuals, it is inaccurate to use these figures as a basis for calculating the exact amount of caffeine consumed in a day.
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. But, that doesnât seem like a fair comparison given the difference in volume. Letâs examine caffeine concentration per ounce.