Daily How Much

A 12-oz can of Coca-Cola contains about 34 mg of caffeine.

A 12-oz Diet Mountain Dew contains 54 mg of caffeine, a mid-range hit that’s noticeable without matching most coffee servings.

A 12-oz can of Diet Coke contains 46 mg of caffeine.

A 12-oz can contains 34 mg of caffeine, which sits far below most coffee drinks yet can still nudge sleep if you sip it late.

A 12-oz can of Diet Dr Pepper contains about 41 mg of caffeine in the U.S.

A 12-oz cold brew often has 150–200 mg of caffeine, with some cups landing closer to 250 mg.

In many products, 100 mg of coffee fruit extract lands around 1–2 mg of caffeine, but labels can range from near-zero to triple digits.

A 12-oz can of Coca-Cola contains 34 mg of caffeine, a modest dose compared with most brewed coffee.

One level teaspoon of ground coffee usually holds 20–60 mg of caffeine, depending on bean type, roast, grind, and how tightly it’s packed.

A typical 10-oz brewed coffee lands around 120 mg of caffeine, yet a “same size” cup can swing from under 100 mg to over 200 mg.