A standard Dunkin medium iced coffee (24 oz) contains 297 mg of caffeine.

A medium Dunkin iced coffee has about 297 mg of caffeine, with the small at 198 mg and the large at 396 mg.

A 32-oz large iced coffee from Dunkin is listed at 396 mg of caffeine before espresso shots.

A standard 12-oz can of Dr Pepper lists 41 mg of caffeine, while caffeine-free versions list 0 mg.

Most Donut Shop K-Cups brew a standard cup that sits near typical brewed-coffee caffeine, with the final milligrams shifting by pod type and cup size.

Most diet sodas land in the 0–50 mg range per 12-oz can, with some “zero sugar” colas running higher depending on the recipe.

Caffeine amounts swing widely across drinks, from near-zero in decaf to several hundred milligrams in strong coffee and energy shots.

Most mugs of drinking chocolate contain about 5–25 mg of caffeine, based on how much cocoa (or real chocolate) goes into the cup.

A medium (24 oz) Dunkin Cold Brew often lands near 260 mg of caffeine, with small shifts based on brew strength and ice melt.

An 8-oz mug of Earl Grey usually lands around 30–60 mg of caffeine, shifting with leaf dose, steep time, and cup size.