What Is Espresso? Definition, How It's Made, and How It Compares to Coffee

Espresso is concentrated coffee brewed by forcing pressurized hot water through finely ground coffee in about 25 seconds. A single shot fits in a 1-ounce glass. A typical 12-ounce drip cup holds twelve times that much liquid — but a shot of espresso has 7–10% dissolved coffee solids vs roughly 1.5% in drip, which is why it tastes so much more intense. This guide explains what espresso actually is, how the brewing differs from drip coffee or any other method, what makes a “real” espresso shot vs concentrated coffee from a moka pot, the caffeine math vs drip, and how the same beans can produce drastically different drinks. ...

April 29, 2026 · 15 min · Home Espresso Lab

How Much Caffeine Is in Espresso? (Per Shot, Double Shot & vs Coffee)

A single shot of espresso contains approximately 60–75mg of caffeine. A double shot — the standard in most café drinks — is roughly 120–150mg. That’s the quick answer. But the full picture is more nuanced, and understanding it helps you make better decisions about your espresso habit. Caffeine Per Espresso Shot: The Numbers Here’s a reference table covering common espresso types and their typical caffeine content: Shot Type Volume Caffeine (typical) Caffeine (range) Single shot (solo) 1 oz / 30ml ~65mg 55–80mg Double shot (doppio) 2 oz / 60ml ~130mg 110–160mg Triple shot 3 oz / 90ml ~195mg 165–240mg Ristretto (shorter) 0.75 oz / 22ml ~50–60mg 45–70mg Lungo (longer) 1.5–2 oz / 50–60ml ~75–85mg 65–100mg A few important notes on this table: ...

April 15, 2026 · 7 min · Home Espresso Lab