As of 2025, two tablespoons of ground coffee typically contain 120–140 mg of caffeine before brewing, though costs vary by year and location..

As of 2025, a medium (14 oz) hot brewed coffee from Dunkin’ contains approximately 210 mg of caffeine, though costs vary by location..

Two standard 8-ounce cups of brewed coffee contain approximately 190 to 240 mg of caffeine, based on an average of 95–120 mg per cup.

A standard 12-ounce (medium) cup of brewed coffee typically contains between 150 and 250 mg of caffeine.

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.