Coffee is a renowned drink and probably the many common source of caffeine. The caffeine contents of coffee can vary considerably depending on numerous factors, consisting of the type, the unavoidable method, and also the brand.

You are watching: Caffeine in an average cup of coffee

According to the dietary Guidelines because that Americans 2015–2020, more than 95 percent of adult in the United says consume foods and drinks comprise caffeine. On average, U.S. Adult consume between 110 and also 260 milligrams (mg) of caffeine every day.

The Food and also Drug management (FDA) calculation that a typical 8-ounce (oz) cup that coffee contains roughly 80–100 mg the caffeine.

In this article, we examine the caffeine contents of part different varieties and brand of coffee. We likewise cover factors that impact the caffeine contents of coffee, other sources of caffeine, the recommended daily intake the caffeine, and also its next effects.

Caffeine contents by coffee type

Different types of coffee contain varying quantities of caffeine. We comment on the caffeine contents of some of the many common species of coffee below:

Brewed coffee

Share top top PinterestCaffeine content varies depending on the type of coffee.
Brewed coffee, i m sorry is likewise called filter coffee, involves brewing soil coffee beans in hot water. This mixture typically sits in a paper, metal, or plastic filter that separates the grounds native the brewed coffee.

People can make brewed coffee in a selection of ways, commonly using a filter, a percolator, or a French press.

An 8-oz cup of brewed coffee commonly contains approximately 95 mg the caffeine.

Decaffeinated brewed

Despite its name, decaffeinated, or decaf, coffee still consists of some caffeine. For instance, an average 8-oz cup of brewed decaf coffee contains about 2 mg that caffeine.

Cold brew

Cold brew coffee is different than iced coffee, i m sorry simply requires serving brewed coffee end ice. To make cold brew coffee, manufacturers steep the coffee grounds in water at room temperature because that anywhere in between 8 and 24 hours.

A 2017 study discovered that a 12-oz cup of cold brew coffee deserve to contain in between 153 mg and also 238 mg the caffeine.

Instant coffee

Making this type of coffee involves adding hot water to instant coffee flour or granules.

Instant coffee usually includes less caffeine than freshly brewed coffee. A usual 8-oz cup of continual instant coffee contains around 62 mg that caffeine.


Espresso is a solid coffee beverage that world make through forcing warm water or steam through really fine coffee grounds. Do espresso coffee involves the usage of a an equipment or stovetop moka pot.

Espresso serving size are generally much smaller sized than those that brewed coffee because of the high caffeine content.

A solitary 1-oz shooting of espresso contains around 63 mg that caffeine.

Caffeine contents of famous coffee brands

Many manufacturers and also chain eateries carry out estimates of the caffeine content in their coffee products.

Dunkin’ Donuts

Dunkin’ Donuts is a well-known coffee and donut retailer that provides a wide range of caffeinated beverages.

According to Caffeine Informer, the caffeine content of a medium cup (14 oz) of few of the coffee drink on sell at Dunkin’ Donuts is together follows:

brewed coffee: 210 mgdecaf brewed coffee: 10 mgAmericano: 249 mgcold brew: 260 mglatte: 119 mg

An espresso has 85 mg per single shot.

Seattle’s Best

People can uncover Seattle’s finest coffee assets at the company’s sleeve stores and drive-thrus as well as in some fast-food restaurants, such as Subway and Burger King.

According to Caffeine Informer, a tiny cup (12 oz) of some of this that company coffee products contains the following amount the caffeine:

brewed coffee: 260 mglatte: 75 mg for both classic and flavored varietiesmocha: 80 mg

A Seattle’s best espresso consists of 75 mg of caffeine per solitary shot.


Starbucks is among the most famous coffee brand in the world. The company list the caffeine contents of your coffee products in addition to other nutritional information in their virtual drinks menu.

The caffeine contents of a high cup (12 oz) of several of Starbucks’ beverages is together follows:

Several factors impact the caffeine contents of a cup that coffee.

One that the main factors is the kind of coffee bean. There are many different types of coffee plant, and also coffee beans from different plants vary in your caffeine content.

The two most popular species of plant for developing coffee bean are:

Coffea arabica, which world commonly refer to as ArabicaCoffea canephora, i beg your pardon most world know as Robusta

According come a 2016 study, Robusta coffee beans commonly contain around twice as lot caffeine as Arabica beans. The researchers uncovered that Arabica bean contain 34.1–38.5 g that caffeine per kilogram (kg) of dry coffee whereas Robusta bean contain 68.6–81.6 g of caffeine every kg of dried coffee.

Other determinants that can impact the lot of caffeine in a cup the coffee include:

the form of roastthe brewing methodthe lot of ground coffee the a human being uses throughout the impending processthe serving size

Although coffee is more than likely the many popular resource of caffeine, numerous other foods and beverages additionally contain this chemical. However, the FDA do not call for manufacturers to list the amount of caffeine on packaged foods, beverages, or diet supplements.

We discuss some other typical sources of caffeine below:


Tea consists of varying quantities of caffeine, but the amount is generally less 보다 that that a similar-sized cup that coffee. Because that instance, one 8-oz cup of green tea contains about 28 mg of caffeine, while the very same serving dimension of black tea contains approximately 47 mg the caffeine.

Soft drinks

Soft drinks, such as sodas and fruit-flavored beverages, may sometimes also contain caffeine.

For example, an median 12-oz can of cola contains around 33 mg the caffeine.

Energy drinks

Energy drinks frequently contain an extremely high amounts of caffeine and also sugar. This caffeine may be either fabricated or from organic sources, such together guarana leaves.

The caffeine content of power drinks different significantly between brands. Follow to the FDA, the caffeine contents of these beverages frequently ranges from 40 come 250 mg every 8 oz. However, part brands of power drink have the right to contain up to 316 mg of caffeine every 8 oz.


Chocolate naturally consists of caffeine, but the amount different according to the cacao contents of the chocolate. Darker coco typically contains more caffeine than lighter or milk chocolate.

For example, the caffeine contents of a 1-oz serving of coco is:


Some over-the-counter and also prescription medications contain caffeine to boost pain relief. For example, menstrual Relief Maximum stamin is a combination of 500 mg acetaminophen, 15 mg pyrilamine maleate, and 60 mg of caffeine.

The diet Guidelines because that Americans 2015–2020 recommend that adult consume no an ext than 400 mg that caffeine every day.

There space no collection guidelines for children, yet the American Academy the Pediatrics discourage children and teenagers from spend caffeine, according to the FDA.

The writer of a 2017 systematic review imply that teens aged 12–18 years need to consume much less than 100 mg the caffeine per day.

See more: Are Can Oral Sex Cause Canker Sores Contagious? Symptoms & Treatment

They also warn the caffeine may have actually a stronger effect on youngsters under 12 year of age due to the fact that they often tend to weigh less. The authors conclude the young kids can pardon an mean of 2.5 mg the caffeine every 1 kg of body weight.