How much caffeine is in Coca-Cola drinks?
We track 7 Coca-Cola products, each with the caffeine figure from a named source.
Diet Coke has the most at 46 mg (12 fl oz can); Barq's Root Beer has the least at 22 mg.
Caffeine-Free Coca-Cola, Fanta Orange, Fresca, Sprite have none.
The typical Coca-Cola product here has about 34 mg in its usual serving, less than the 95 mg in an 8 fl oz cup of brewed coffee.
For an 11 pm bedtime, Barq's Root Beer is the easiest to fit in (fine at any time); Diet Coke needs the most time (finish by Any time).
Open any of them to see the sizes, how much is left at bedtime if you have one at 3 pm, and the latest time for your own bedtime.
Coca-Cola, strongest first
| Serving | for an 11 pm bed | ||
|---|---|---|---|
| Diet Coke | 12 fl oz can | 46 mg | Any time |
| Coca-Cola | 12 fl oz can | 34 mg | Any time |
| Barq's Root Beer | 12 fl oz can | 22 mg | Any time |
| Caffeine-Free Coca-Cola | 12 fl oz can | None | Any time |
| Fanta Orange | 12 fl oz can | None | Any time |
| Fresca | 12 fl oz can | None | Any time |
| Sprite | 12 fl oz can | None | Any time |
"Finish by" is the latest time to start one serving so that an average adult is under 50 mg of caffeine from 11 pm through the night. Each product page has other bedtimes and sensitivity levels.
Against other brands
Sodas: the typical Coca-Cola one has 34 mg against 52 mg for the other 12 we track, 35% less. Closest in strength from other brands: Poppi Cola (40 mg), Dr Pepper (41 mg), Zevia Cola (46 mg). The strongest overall is fritz-kola at 83 mg.