Dunkin iced coffee (medium) vs Dunkin hot coffee (medium): which has more caffeine?

Dunkin iced coffee (medium) carries more total caffeine per serving (297mg per 24 oz medium vs 210mg per 14 oz medium), but ounce for ounce Dunkin hot coffee (medium) is actually the stronger drink at about 15mg per fluid ounce against 12. Which one "has more caffeine" depends on whether you measure the container or the concentration.

Dunkin iced coffee (medium) vs Dunkin hot coffee (medium): the numbers

Sources: Dunkin iced coffee (medium)'s figure is verified in our Dunkin iced coffee (medium) caffeine guide against Caffeine Informer Dunkin guide (source); Dunkin hot coffee (medium)'s figure is verified in our Dunkin hot coffee (medium) guide against Tasting Table / Dunkin figures (source).

Which one should you pick?

Pick Dunkin hot coffee (medium) when you want the lighter dose or a slower ramp, and Dunkin iced coffee (medium) when you actually need the bigger hit and know your tolerance. If you are stacking either with other caffeinated drinks through the day, run the math against the 400mg reference rather than guessing.

For context, the FDA cites 400mg of caffeine a day as an amount generally not associated with negative effects in healthy adults. Tolerance and health vary, so treat these numbers as information, not advice.

Related reading

• Dunkin iced coffee (medium): the full caffeine guide
• Dunkin hot coffee (medium): the full caffeine guide
• The verified caffeine database

FAQ

Does Dunkin iced coffee (medium) or Dunkin hot coffee (medium) have more caffeine? Dunkin iced coffee (medium): 297mg per 24 oz medium versus 210mg per 14 oz medium for Dunkin hot coffee (medium).

Which is stronger per ounce? Dunkin hot coffee (medium), at about 15.0mg per fluid ounce versus 12.4mg for Dunkin iced coffee (medium).