Dunkin iced coffee (medium) has more caffeine than Dutch Bros brewed coffee (large) on both counts: 297mg per 24 oz medium against 187mg per 20 oz large, and about 12mg per fluid ounce against 9. The serving sizes differ, so the table below shows both ways of counting.
Dutch Bros brewed coffee (large) vs Dunkin iced coffee (medium): the numbers
| Dutch Bros brewed coffee (large) | Dunkin iced coffee (medium) | |
|---|---|---|
| Caffeine per serving | 187mg per 20 oz large | 297mg per 24 oz medium |
| Caffeine per fl oz | 9.3mg | 12.4mg |
| Servings to reach 400mg (FDA context) | 2.1 | 1.3 |
Sources: Dutch Bros brewed coffee (large)'s figure is verified in our Dutch Bros brewed coffee (large) 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 Dutch Bros brewed coffee (large) 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
- Dutch Bros brewed coffee (large): 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
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Gear from this guide
FAQ
Does Dutch Bros brewed coffee (large) or Dunkin iced coffee (medium) have more caffeine? Dunkin iced coffee (medium): 297mg per 24 oz medium versus 187mg per 20 oz large for Dutch Bros brewed coffee (large).
Which is stronger per ounce? Dunkin iced coffee (medium), at about 12.4mg per fluid ounce versus 9.3mg for Dutch Bros brewed coffee (large).
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