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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.

A typical 8-oz matcha lands in the 30–70 mg caffeine range, shaped by powder dose, cup size, and whether you drink the whole suspension.

A McDonald’s fountain Coke usually lands around 45–85 mg of caffeine, depending on the cup size and how it’s poured.

A macchiato usually lands between 60–170 mg of caffeine, based on whether it’s made with one espresso shot or two.

A Starbucks “large” coffee can land around 250–325 mg of caffeine, depending on size, recipe, and region.

A McDonald’s sweet tea has caffeine from black tea, and a typical serving can land in the 90–180 mg range, depending on size, ice, and brew strength.