Tag: Coffee bean caffeine

On average, a single Arabica coffee bean contains about 6 milligrams of caffeine, while a Robusta bean contains closer to 12 milligrams. This variability is the key to understanding how much caffeine is in a single coffee bean and ultimately, in your final cup.

The average roasted Arabica coffee bean contains about 6 milligrams of caffeine. Determining how many coffee beans are 100mg of caffeine is not an exact science but rather an estimation influenced by factors like bean variety and size. While a simple calculation can provide a baseline, the actual caffeine delivery can vary significantly.