Pepsi vs Coke Caffeine

Pepsi and Coke are inarguably the most popular colas in the world. Needless to say, they have been compared countless times through the years. Well, we are going to compare them once again. This time the topic is the amount of caffeine in Pepsi vs Coke.

Pepsi vs Coke Caffeine

As the table below shows, regular Pepsi has a bit more caffeine compared to regular Coke. For example, a 12-ounce Pepsi has 38mg of caffeine per can whereas Coke has 34mg.

ProductServing SizeCaffeine(mg)
Pepsi7.5 fl oz24 mg
Coke 7.5 fl oz 21 mg
Pepsi12 fl oz38 mg
Coke 12 fl oz 34 mg
Pepsi16.9 fl oz 53 mg
Coke16.9 fl oz48 mg
Pepsi20 fl oz 63 mg
Coke20 fl oz 57 mg

Diet Pepsi vs Diet Coke Caffeine

While regular Pepsi has more caffeine than regular coke, the opposite is true for Diet Pepsi and Diet Coke. For example, a 12-ounce Diet Pepsi has 35mg of caffeine per can whereas Diet Coke of the same size has 46mg.

ProductServing SizeCaffeine(mg)
Diet Pepsi7.5 fl oz22 mg
Diet Coke7.5 fl oz 28 mg
Diet Pepsi12 fl oz35 mg
Diet Coke 12 fl oz 46 mg
Diet Pepsi16.9 fl oz 50 mg
Diet Coke16.9 fl oz64 mg
Diet Pepsi20 fl oz 59 mg
Diet Coke20 fl oz 76 mg

Pepsi & Coke vs Others: Caffeine

The caffeine in Pepsi and Coke is low in comparison to many other beverages with caffeine. The table below gives you an idea of how much caffeine is in Pepsi and Coke vs other popular beverages.

ProductServing SizeCaffeine(mg)
Pepsi12 fl oz38 mg
Coke12 fl oz 34 mg
Diet Pepsi12 fl oz35 mg
Diet Coke 12 fl oz 46 mg
RC Cola12 fl oz 43 mg
MTN Dew12 fl oz 54 mg
Red Bull12 fl oz 114 mg
Monster12 fl oz120 mg
Coffee12 fl oz 144 mg*
Black Tea12 fl oz63 mg*
*Approximate. Caffeine varies based on type, brew, etc.