A standard 8-ounce cup of dark roast coffee contains about 51 mg of caffeine, slightly less than the 60 mg in light roast.

A typical 7 Brew Energy drink contains around 152 mg of caffeine, though amounts can shift with size and added caffeine shots.

A tablespoon of matcha powder (about 6 grams) delivers roughly 180 to 240 mg of caffeine.

A 6-ounce cup of brewed coffee typically contains 70 to 140 milligrams of caffeine, averaging around 100 milligrams depending on the bean and brew.

A Starbucks Tall (12 oz) Caffè Latte contains 75 mg of caffeine, about 19% of the recommended daily limit for most adults.

Sweet tea contains 20 to 50 mg of caffeine per 8-ounce glass, with the exact amount depending on brewing time and brand.

As of 2025, six 8-ounce cups of brewed coffee contain about 480 to 720 mg of caffeine, depending on the bean, roast, and brewing method..

A typical 12-ounce can of caffeinated soda contains 30 to 55 mg of caffeine, about as much as a cup of tea but far less than brewed coffee.

As of 2025, a small (10 oz) hot Dunkin coffee contains approximately 150 mg of caffeine, while a small (16 oz) iced coffee packs about 234 mg (costs vary by year and location)..

A 12-ounce can of Pepsi contains 38 mg of caffeine, significantly less than an 8-ounce cup of brewed coffee which has about 95 mg.