Peet's brewed coffee vs Dunkin iced coffee (medium): which has more caffeine?

Dunkin iced coffee (medium) carries more total caffeine per serving (297mg per 24 oz medium vs 150mg per 8 oz cup), but ounce for ounce Peet's brewed coffee is actually the stronger drink at about 19mg per fluid ounce against 12. Which one "has more caffeine" depends on whether you measure the container or the concentration.

Peet's brewed coffee vs Dunkin iced coffee (medium): the numbers

Sources: Peet's brewed coffee's figure is verified in our Peet's brewed coffee caffeine guide against Caffeine Informer (source); Dunkin iced coffee (medium)'s figure is verified in our Dunkin iced coffee (medium) guide against Caffeine Informer Dunkin guide (source).

Which one should you pick?

Pick Peet's brewed coffee 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

• Peet's brewed coffee: the full caffeine guide
• Dunkin iced coffee (medium): the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index
• Compare any two of 120+ drinks

FAQ

Does Peet's brewed coffee or Dunkin iced coffee (medium) have more caffeine? Dunkin iced coffee (medium): 297mg per 24 oz medium versus 150mg per 8 oz cup for Peet's brewed coffee.

Which is stronger per ounce? Peet's brewed coffee, at about 18.8mg per fluid ounce versus 12.4mg for Dunkin iced coffee (medium).