Coffee Guide: How much caffeine is in coffee?

Coffee Guide: How much caffeine is in coffee?

Caffeine is a natural compound found in coffee beans and responsible for coffee’s stimulating effect. But how much caffeine does a cup of coffee actually contain?

The answer depends on several factors, such as the brewing method, the coffee bean, and the amount of coffee used. In this guide we explain how caffeine levels can vary and what influences the amount of caffeine in your cup.

How much caffeine is in a cup of coffee?

A regular cup of filter coffee of about 200–240 ml usually contains roughly:

80–120 mg of caffeine

The exact amount can vary depending on:

• how much coffee is used

• which coffee bean is used

• how the coffee is brewed

A stronger brew or more coffee in the filter can therefore result in more caffeine in the cup.

How much caffeine is in espresso?

Espresso contains more caffeine per milliliter than filter coffee because it is more concentrated.

A single espresso (about 30 ml) usually contains approximately:

60–80 mg of caffeine

However, since the cup is much smaller than a regular cup of coffee, the total caffeine content is often similar.

It is therefore a common misconception that espresso always contains more caffeine than regular coffee.

What affects the caffeine content in coffee?

Several factors influence how much caffeine ends up in your cup.

Coffee beans

The two most common coffee species are Arabica and Robusta.

Robusta typically contains about twice as much caffeine as Arabica.

That is why many specialty coffees, which are often made from Arabica beans, can taste somewhat milder.

If you want to learn more, you can also read our guide about the difference between Arabica and Robusta.

Brewing method

The brewing method can also influence caffeine levels.

For example:

• Filter coffee → often more caffeine per cup

• Espresso → more concentrated but smaller serving

• French press → can also result in relatively high caffeine levels

If you want to learn more about brewing, you can also read our guide How much coffee per cup?

Coffee amount

The more coffee you use when brewing, the more caffeine can be extracted.

That is why it is important to use the correct coffee-to-water ratio to achieve a balanced cup.

Is dark roast stronger than light roast?

Many people believe that dark roast coffee contains more caffeine than light roast coffee. In reality, the difference is quite small.

Caffeine does not break down significantly during roasting. However, darker roasted beans weigh slightly less, which can sometimes make the caffeine per scoop slightly different.

In practice, brewing method and coffee amount have a greater influence on caffeine levels than the roast level.

Frequently asked questions about caffeine in coffee

How much caffeine is in a cup of coffee?

A typical cup of filter coffee contains about 80–120 mg of caffeine, depending on brewing and coffee amount.

Is espresso stronger than regular coffee?

Espresso is more concentrated, but because the serving size is smaller, a shot of espresso often contains roughly the same amount of caffeine as a cup of filter coffee.

Which coffee contains the most caffeine?

Robusta coffee generally contains more caffeine than Arabica.

Does roasting affect caffeine levels?

Roasting mainly affects flavor. The difference in caffeine between light and dark roasts is usually quite small.

More coffee guides

Want to learn more about coffee? You may also enjoy these guides:

• What is the difference between filter coffee and espresso

• How much coffee per cup

• Arabica vs Robusta – what’s the difference

See all our coffee guides

Find our coffee here

At our roastery in Småland we roast coffee in small batches.
Here you can find our full range of coffee beans.