Starbucks Pike Place (grande) has more caffeine than Dunkin iced coffee (medium) on both counts: 310mg per 16 oz grande against 297mg per 24 oz medium, and about 19mg per fluid ounce against 12. The serving sizes differ, so the table below shows both ways of counting.
Dunkin iced coffee (medium) vs Starbucks Pike Place (grande): the numbers
| Dunkin iced coffee (medium) | Starbucks Pike Place (grande) | |
|---|---|---|
| Caffeine per serving | 297mg per 24 oz medium | 310mg per 16 oz grande |
| Caffeine per fl oz | 12.4mg | 19.4mg |
| Servings to reach 400mg (FDA context) | 1.3 | 1.3 |
Sources: Dunkin iced coffee (medium)'s figure is verified in our Dunkin iced coffee (medium) caffeine guide against Caffeine Informer Dunkin guide (source); Starbucks Pike Place (grande)'s figure is verified in our Starbucks Pike Place (grande) guide against Starbucks menu data (source).
Which one should you pick?
Pick Dunkin iced coffee (medium) when you want the lighter dose or a slower ramp, and Starbucks Pike Place (grande) 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
- Starbucks Pike Place (grande): the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
FAQ
Does Dunkin iced coffee (medium) or Starbucks Pike Place (grande) have more caffeine? Starbucks Pike Place (grande): 310mg per 16 oz grande versus 297mg per 24 oz medium for Dunkin iced coffee (medium).
Which is stronger per ounce? Starbucks Pike Place (grande), at about 19.4mg per fluid ounce versus 12.4mg for Dunkin iced coffee (medium).
Comparing caffeine? The caffeine comparison tool puts hundreds of drinks side by side, and the caffeine curfew calculator can check your cutoff time for tonight.