Caffeine Content
How much caffeine is in espresso, cold brew, drip, decaf, and everything in between — with the numbers.
Caffeine content varies far more than most people realize. A single shot of espresso has roughly 63 mg of caffeine, an 8-ounce cup of drip runs about 95 mg, and a large cold brew can top 200 mg because of its high coffee-to-water ratio and long steep. Even decaf isn’t truly caffeine-free.
These guides give you the real milligram figures by drink and size, so you can track your intake with confidence. Pair them with the Caffeine Calculator to add up your day.
4 articles in “Caffeine Content”
Caffeine in Espresso vs Cold Brew vs Drip: The Real Numbers
A shot of espresso has less caffeine than a cup of drip — and cold brew often has the most of all. Here are the milligram numbers and why they surprise people.
How Much Caffeine Is in a Cup of Coffee?
An 8 oz cup of brewed coffee has about 95 mg of caffeine — but espresso, cold brew, instant, and decaf are all different. Here is the caffeine in every common coffee, and what changes the number.
Caffeine in Green Tea vs Coffee: The Full Breakdown
An 8 oz cup of coffee has roughly 95 mg of caffeine; the same size green tea has 25–50 mg. But caffeine content is only half the story — here’s why the two feel so different.
How Much Caffeine Is in Decaf Coffee?
Decaf is not caffeine-free. A standard 8 oz cup contains 2–15 mg of caffeine — about 97% less than regular — and some brands test higher. Here’s what the numbers really look like.
Related calculators
Free tools for caffeine content.