How many mg of caffeine are in a cup of coke?
                                
                                
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                                    4 min read                                
                            
                                According to the Coca-Cola website, a standard 12-ounce can of regular Coca-Cola contains 34 mg of caffeine, a figure consistent with other recent analyses. Understanding exactly **how many mg of caffeine are in a cup of coke** is essential for those monitoring their daily intake, and this article provides a detailed comparison to put that number into context.