Bang has more caffeine than High Brew Double Espresso on both counts: 300mg per 16 oz can against 140mg per 8 oz can, and about 19mg per fluid ounce against 18. The serving sizes differ, so the table below shows both ways of counting.
These are different categories of drink, which changes how the caffeine arrives. Energy drinks and sodas list an exact number because caffeine is a measured additive; brewed drinks vary with the beans and the brew, so their figures are compiled averages. The numbers here are the standard published values for each.
Bang vs High Brew Double Espresso: the numbers
| Bang | High Brew Double Espresso | |
|---|---|---|
| Caffeine per serving | 300mg per 16 oz can | 140mg per 8 oz can |
| Caffeine per fl oz | 18.8mg | 17.5mg |
| Servings to reach 400mg (FDA context) | 1.3 | 2.9 |
Sources: Bang's figure is verified in our Bang caffeine guide against Caffeine Informer (source); High Brew Double Espresso's figure is verified in our High Brew Double Espresso guide against Caffeine Informer (source).
Which one should you pick?
Pick High Brew Double Espresso when you want the lighter dose or a slower ramp, and Bang 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
- Bang: the full caffeine guide
- High Brew Double Espresso: the full caffeine guide
- The verified caffeine database
FAQ
Does Bang or High Brew Double Espresso have more caffeine? Bang: 300mg per 16 oz can versus 140mg per 8 oz can for High Brew Double Espresso.
Which is stronger per ounce? Bang, at about 18.8mg per fluid ounce versus 17.5mg for High Brew Double Espresso.
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.