A typical double espresso has roughly 120–150 mg of caffeine , with many guides centering around about 125–130 mg as a realistic average for a standard 60 ml (2 fl oz) double shot.

Quick Scoop ☕ (Short answer)

  • Most common range: 120–150 mg of caffeine in a double espresso.
  • A frequently quoted “average”: about 126–130 mg per double shot.
  • Per sip, that’s more caffeine concentrated than regular drip coffee, even though a big mug of filter coffee can have as much or more total caffeine overall.

Why the number isn’t exact

The caffeine in a double espresso isn’t a fixed value because it depends on:

  • Bean type and blend : Arabica vs robusta and different blends have different natural caffeine levels.
  • Dose (grams of coffee) : A barista using 14 g vs 20 g for a double shot will pull different caffeine amounts, often close to about 1% of the dry coffee mass in caffeine.
  • Grind, extraction time, and yield : Finer grind and longer extraction usually pull a bit more caffeine into the cup.
  • Cafe or brand : Measurements in studies and brand tests show double shots can range from around 70 mg on the low end to well over 150 mg in some shops.

A practical way to think of it: if your barista is using ~16–18 g of coffee for a double, you’re very likely in that 120–150 mg window.

How it compares to other coffees

Here’s a simple comparison using typical averages from coffee guides and cafe data.

[1][3] [3][5][1] [1][3] [3][1]
Drink Typical serving Approx. caffeine
Single espresso 1 oz / 30 ml ~60–65 mg
Double espresso 2 oz / 60 ml ~120–150 mg
8 oz drip coffee 240 ml ~95–200 mg (wide range)
8 oz Americano Espresso + water Same as shots used (e.g., double ≈ 120–150 mg)
So a double espresso is a **small, strong hit** of caffeine: less volume than a mug of coffee, but very similar (or sometimes higher) total caffeine.

Safe intake angle (2026 context)

Most health authorities still treat up to ~400 mg of caffeine per day as a general upper safe limit for healthy adults, which roughly equals about three double espressos spread across the day , depending on how strong they’re pulled. Always adjust for your own sensitivity, sleep, and any medical advice you’ve been given.

Forum-style takeaway

If you imagine a coffee forum thread in early 2026, the consensus reply to “how much caffeine in double espresso” would look like:

“Expect your double shot to land around 125–130 mg , give or take, and anywhere in the 120–150 mg band is totally normal depending on beans and barista.”

TL;DR: A standard double espresso usually gives you about 120–150 mg of caffeine , with ~125–130 mg being a solid real‑world average.

Information gathered from public forums or data available on the internet and portrayed here.