How many calories are in a liter of coke? The full nutritional breakdown
                                
                                
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                                    3 min read                                
                            
                                According to Coca-Cola's own nutrition information, a 100ml serving of classic Coca-Cola contains 42 calories. Therefore, a full liter (1000ml) of coke contains 420 calories, with zero nutritional benefit beyond the energy boost from sugar.