Dunkin' Extra Charged (medium) has more caffeine than brewed coffee on both counts: 252mg per 14 oz medium against 95mg per 8 oz cup, and about 18mg per fluid ounce against 12. The serving sizes differ, so the table below shows both ways of counting.
Dunkin' Extra Charged (medium) vs brewed coffee: the numbers
| Dunkin' Extra Charged (medium) | brewed coffee | |
|---|---|---|
| Caffeine per serving | 252mg per 14 oz medium | 95mg per 8 oz cup |
| Caffeine per fl oz | 18.0mg | 11.9mg |
| Servings to reach 400mg (FDA context) | 1.6 | 4.2 |
Sources: Dunkin' Extra Charged (medium)'s figure is verified in our Dunkin' Extra Charged (medium) caffeine guide against Caffeine Informer (source); brewed coffee's figure is verified in our brewed coffee guide against USDA FoodData Central (source).
Which one should you pick?
Pick brewed coffee when you want the lighter dose or a slower ramp, and Dunkin' Extra Charged (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' Extra Charged (medium): the full caffeine guide
- brewed coffee: the full caffeine guide
- The verified caffeine database
- Every drink compared: the comparisons index
- Compare any two of 120+ drinks
FAQ
Does Dunkin' Extra Charged (medium) or brewed coffee have more caffeine? Dunkin' Extra Charged (medium): 252mg per 14 oz medium versus 95mg per 8 oz cup for brewed coffee.
Which is stronger per ounce? Dunkin' Extra Charged (medium), at about 18.0mg per fluid ounce versus 11.9mg for brewed coffee.
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.