Daily How Much

A typical 8-ounce brewed coffee sits near 80–100 mg of caffeine, with wide swings from bean choice, dose, and brew style.

A 12-oz can of Pepsi has 38 mg of caffeine, while Diet Pepsi has 34 mg and Pepsi Zero Sugar lists 38 mg per 12-oz can.

A standard 8-ounce cup of black tea often lands near 40–60 mg of caffeine, while brewed coffee is often near 80–120 mg, based on how each is made.

A 23-oz can of AriZona Green Tea often lands near 22 mg of caffeine, based on the brand’s 7.5 mg per 8-oz serving figure.

A standard latte usually contains 45–135 mg of caffeine, depending on whether it’s made with one, two, or three espresso shots.

A 12-oz can of Barq’s Root Beer contains 22 mg of caffeine.

A plain 8-ounce mug of brewed coffee often lands near 80–100 mg of caffeine, yet your cup can swing far above or below that.

A 12-oz can of Coca-Cola has 34 mg of caffeine in the U.S., and the amount shifts with the product and the country.

An 8 oz cappuccino often lands around 60–90 mg of caffeine, set by espresso shot count, bean choice, and the café’s recipe.

An 8-oz brewed coffee commonly has about 95 mg caffeine; many cups fall in the 70–140 mg range.