How much caffeine is there in a cup of coffee?

by Frank
(Raleigh, NC)

Average cup of coffee

Average cup of coffee


QUESTION:


Am I over caffeinated? I have no idea. But I would like to know. So can you tell me how much caffeine there is in a cup of coffee? Please?

Thanks, Frank


ANSWER:

Frank, hi. Thanks for the question.

Let’s start with the amount of caffeine in an average, 7-ounce cup of regular coffee.

As you’ll see below, the caffeine per cup is going to depend on three factors – the way in which you brew your coffee, where the coffee was grown, and how it was roasted.

Here goes...

Caffeine levels according to the brewing method.

Drip Coffee 115-175mg

Espresso - 1 serving (1.5-2oz) 100mg

Brewed 80-135mg

Instant 65-100mg

Decaf, brewed 3-4mg

Decaf, instant 2-3mg

The caffeine in coffees from different parts of the world.

These figures represent the percentage of caffeine in the bean.

Brazil Bourbons 1.20%
Celebes Kalossi 1.22%
Colombia Excelso 1.37%
Colombia Supremo 1.37%
Costa Rica Tarrazu 1.35%
Ethiopian Harrar-Moka 1.13%
Guatemala Antigua 1.32%
Indian Mysore 1.37%
Jamaican Blue Mtn/Wallensford Estate 1.24%
Java Estate Kuyumas 1.20%
Kenya AA 1.36%
Kona Extra Prime 1.32%
Mexico Pluma Altura 1.17%
Mocha Mattari (Yemen) 1.01%
New Guinea 1.30%
Panama Organic 1.34%
Sumatra Mandheling-Lintong 1.30%
Tanzania Peaberry 1.42%
Zimbabwe 1.10%

Caffeine percentage according to the roast of the bean.

Colombia Supremo Dark 1.37%
Espresso Roast 1.32%
French Roast 1.22%
Vienna Roast 1.27%
Mocha-Java 1.17%

So there you have it...all you ever wanted to know about caffeine in coffee.

But back to your original question...the amount of caffeine in a 7-ounce cup of average coffee is approximately 115-175mg.

Comments for How much caffeine is there in a cup of coffee?

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May 09, 2011
Caffeine in Coffee
by: Steven Clark

What about comparing mg in varieties? How about caffeine in Wet vs. dry coffee. There are many more variables that influence the caffeine content that need to be discussed.

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