A large McDonald’s Coke lands around 85–91 mg of caffeine, based on Coke’s standard caffeine level and a typical large cup fill.

Most 8-oz mugs land at 0–15 mg of caffeine, with higher cocoa drinks and café sizes pushing higher.

A “large” brewed coffee (16–20 oz) usually lands in the 150–350 mg band, but recipe and brand can push it higher.

A typical 8-ounce glass of sweet tea has about 30–60 mg of caffeine, depending on the tea, steep time, and how strong it’s poured.

One gram of matcha powder often lands around 20–45 mg of caffeine, and the exact hit shifts with grade, leaf age, and how packed your scoop is.

A typical 8-ounce glass of Coca-Cola has about 23 mg of caffeine, and your exact number comes down to your pour size and the product label.

A Starbucks grande cold brew lands near 256 mg of caffeine, with small swings from batch strength and how much ice ends up in the cup.

A 12-oz glass of iced tea usually has 15–45 mg of caffeine, based on tea type, leaf amount, and steep time.

A Dunkin medium latte usually lands near 166 mg of caffeine, driven by two espresso shots, with small swings by store and recipe.

Most decaf coffee has 2–15 mg caffeine per 8-oz cup, depending on brand, roast, and brew method.