Daily How Much

A standard 12-fl-oz can contains 46 mg of caffeine.

A 12-oz can of Coca-Cola contains 34 mg of caffeine in the U.S.

A 12-oz can usually lands under 1 mg of caffeine, since it’s made to be caffeine-free, yet trace amounts can still show up.

An 8-oz brewed coffee often lands around 80–100 mg of caffeine, while 8-oz black tea often sits around 30–50 mg.

A 20 fl oz bottle has 91 mg of caffeine, while a 16.9 fl oz bottle has 77 mg.

One BC® Original Powder contains 65 mg of caffeine, listed on the Drug Facts panel as a pain reliever aid.

Most energy drinks land between 80 and 200 mg of caffeine per can, while some large cans and “extra strength” options run 250–300 mg or more.

Most brewed Arabica coffee lands around 80–100 mg of caffeine per 8 oz (240 mL), yet the cup in your hand can swing a lot.

One Excedrin Extra Strength tablet has 65 mg of caffeine, so a standard two-tablet dose delivers 130 mg.

A typical 8-oz cup of black tea brewed from one bag lands around 40–70 mg of caffeine, with brew time and water heat driving most of the swing.