How Does the Size of a McFlurry Affect Calories?
                                
                                
                                •
                                
                                
                        
                                    
                                    3 min read                                
                            
                                According to McDonald's nutritional information, a regular Oreo McFlurry in the US contains 410 calories, while the smaller Mini version has 240 calories. The size of a McFlurry directly impacts the calorie count, with larger portions containing significantly more energy, fat, and sugar.