Does espresso or filter coffee have more caffeine?
Per serving, filter coffee has more (80–120 mg vs. 70–90 mg). Per milliliter, espresso has more (about 2.5 mg/ml vs. 0.5 mg/ml). The assumption 'espresso = more caffeine' is only true per ml, not per cup.
Does espresso or filter coffee have more caffeine?
Per serving, filter coffee has more (80–120 mg vs. 70–90 mg). Per milliliter, espresso has more (about 2.5 mg/ml vs. 0.5 mg/ml). The assumption “espresso = more caffeine” is only true per ml, not per cup.
Why that is
Espresso tastes more intense, bitter, and concentrated—which is why many assume it also has more caffeine. But intensity of flavor and caffeine content are two different things.
The comparison in detail:
| Espresso (single) | Filter coffee | |
|---|---|---|
| Volume | 25–30 ml | 200 ml |
| Total caffeine | 70–90 mg | 80–120 mg |
| Caffeine per ml | ~2.5 mg/ml | ~0.5 mg/ml |
| Water/coffee contact time | 25–30 seconds | 3–5 minutes |
Why filter coffee has more caffeine per cup:
- Contact time: With filter coffee, hot water flows through the coffee grounds for 3–5 minutes. During this time, more caffeine is extracted than in the 25–30 seconds for an espresso.
- Water volume: 200 ml of water simply extracts more caffeine than 25–30 ml—even if the espresso is extracted under 9 bars of pressure.
- Coffee amount: For an espresso, you use almost 10 g of coffee; for a cup of filter coffee, 12–15 g (at 60 g/liter according to the SCA standard).
Why espresso has more caffeine per milliliter:
The high pressure squeezes a lot out of a little water in a short time. The result is a highly concentrated drink—but you only get 25–30 ml of it.
Practical takeaway: If you want less caffeine, you’re better off with a single espresso than a large cup of filter coffee. If you need a caffeine kick, go for the filter coffee—or a double espresso, which lands at 140–180 mg.
In practice at Green Wall Coffee
At Sophienstraße 27, guests often ask: “Which one packs a bigger punch?” The answer surprises many: a cup of our pour-over has more caffeine than a single espresso. For those who want to drink coffee in the afternoon but still want to sleep at night, I recommend a single espresso instead of a big cup of drip coffee.
Related questions
- How much caffeine is in a cup of coffee?
- What distinguishes espresso from regular coffee?
- How many cups of coffee a day are safe?
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