![]() Wrap upĪ tablespoon of Arabica coffee grounds has about 60mg of caffeine whereas an equal spoon of Robusta coffee has 110mg of caffeine. Read about the effect of time on the amount of caffeine in coffee. The margins are lower for the more caffeinated blends of Arabica and Robusta that have higher quantities of Robusta.įor instant coffee, consuming more than seven teaspoons is likely to cause diuretic problems. Since about 75-90% of the caffeine in dry coffee grounds is extracted, you are likely to end up with 45-54mg of caffeine in your cup for every tablespoon of coffee.Īssuming 100 percent extraction of caffeine (60mg per tablespoon), you should not brew more than 6.5 tablespoons of ground coffee in a day to stay below the FDA ceiling of 400mg of caffeine per day for healthy individuals. However, the average of 60mg of caffeine per tablespoon of Arabica coffee is a great guide to knowing how much caffeine you are likely to have in your cup after brewing. Without an actual measure, there is no telling how much caffeine per tablespoon is contained in the coffee beans that you have in your house. #CAFFEINE IN COFFEE HOW TO#How To Use the Information about the Caffeine Content in a Tablespoon of Coffee Read this separate topic about the typical size of a cup of coffee that you might find very interesting. However, you use 4-6 times more regular coffee grounds than instant coffee granules to make a cup of coffee which makes a cup of regular coffee to be much richer in caffeine than a similar cup of instant coffee.įor example, a 6oz cup uses 1.8 grams of instant coffee granules whereas the same 6oz cup requires 9-11 grams of regular coffee.Īssuming a 100 percent extraction of caffeine, which is highly unlikely, a 6oz cup of instant coffee would end up with about 57 milligrams of caffeine as compared to about 70-135 milligrams of caffeine in a similar cup of regular coffee.Ī cup of instant coffee has less caffeine (nearly half) than an equal cup of regular coffee. On average, instant coffee contains more caffeine per gram (32mg per gram) as compared to about 10-12mg of caffeine per gram of regular coffee. Would you like to find out the amount of caffeine in a single bean of coffee? Caffeine in Instant Coffee vs Regular Coffee Keep in mind that about 70-90% of the caffeine in unbrewed ground coffee will be extracted during brewing.
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