Daily How Much

A 32-oz sweet tea from McDonald’s often falls near 100–150 mg of caffeine, with the final number shifting with brew strength and ice.

A U.S. large Diet Coke is often in the 110–125 mg caffeine range, depending on cup fill and ice.

A U.S. McDonald’s large Coke usually lands around 85–91 mg of caffeine, with small swings based on cup fill and ice.

A typical medium sweet tea often lands near 50–70 mg of caffeine, with brew strength and ice shifting the number.

Matcha usually lands in the 30–70 mg range per cup, while brewed coffee often sits closer to 95–200+ mg, depending on dose and brew.

A typical matcha drink lands around 30–70 mg of caffeine per 1-teaspoon serving, with real-world swings tied to powder dose and grade.

Matcha powder often lands around 40–90 mg of caffeine per 2 g (about 1 tsp), with leaf grade, dose, and prep shifting the total.

Instant espresso usually lands in the 50–80 mg caffeine range per mixed cup, with the label and your scoop size deciding the final tally.

Most large iced coffees land between 150–300 mg of caffeine, with big swings based on brew style, coffee dose, and any added espresso.

A 16-oz bottle of GT’s SYNERGY kombucha often lands around 16–28 mg of caffeine, based on the brand’s 8–14 mg per 8-oz serving range.