Daily How Much

A 12-oz can of Mountain Dew has 54 mg of caffeine, while a 20-oz bottle has 91 mg.

An 8-oz cup of brewed coffee usually contains 80–100 mg of caffeine, with strength varying by beans and brew method.

A 12-oz mug of brewed coffee often lands near 120–180 mg of caffeine, with bean choice, dose, and brew style shifting it.

A medium cold brew from Dunkin lands at about 260 mg of caffeine, which can feel strong if you’re sensitive or you drink it late.

A 12–16 oz brewed coffee often lands around 120–200 mg of caffeine, but beans, roast, grind, and brew style can swing it.

A large McDonald’s Diet Coke often lands near 110–120 mg of caffeine, based on cup ounces and Diet Coke’s listed caffeine per 12 oz.

A large Dunkin cold brew has about 347 mg of caffeine, which can feel like a full-on jump start in one cup.

A medium Dunkin’ Cold Brew (24 fl oz) has about 260 mg of caffeine.

A U.S. large fountain Coca-Cola from McDonald’s usually lands near 85–91 mg of caffeine, depending on the cup’s fluid-ounce fill.

A large McDonald’s sweet tea often lands near 150–180 mg of caffeine, with the exact hit shifting with brew strength, ice, and cup fill.