Daily How Much

A 16-ounce bottle of Coca-Cola Classic contains about 42 to 45 mg of caffeine, based on the standard 34 mg found in a 12-ounce can.

A traditional 2-ounce macchiato contains about 85 mg of caffeine from a single espresso shot, while a Starbucks doppio macchiato delivers 150 mg.

A typical caffeine pill contains 100 to 200 mg of caffeine, with 200 mg being the most common single-tablet dose in over-the-counter brands.

A large McDonald’s Sweet Tea (32 fl oz) contains roughly 100 mg of caffeine, according to independent caffeine databases — about the same.

A 16 oz (grande) coffee typically contains 160 to 310 mg of caffeine, depending on the brand, roast, and brewing method.

A standard 12-ounce can of Dr. Pepper contains about 41 to 42 mg of caffeine. For a 20-ounce bottle, that works out to roughly 68 mg.

A large McDonald’s Diet Coke (32 fl oz) contains roughly 122 mg of caffeine, based on the standard 46 mg found in a 12 oz serving.

A 14 oz cup of brewed coffee typically contains 210 to 295 mg of caffeine, depending on the beans and brew strength.

A large McDonald’s fountain Coke (32 oz) contains about 90.6 mg of caffeine, though levels can vary by location and fountain calibration.

A 12 oz can of regular Pepsi contains 38 mg of caffeine, less than half the amount in a standard 8 oz cup of coffee.