How Many Calories Are in a Full Bag of Mini M&M's?
                                
                                
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                                    4 min read                                
                            
                                According to nutritional data, a single 1.08 ounce tube of mini M&M's contains around 150 calories. A full bag of mini M&M's, however, can vary significantly in calorie count depending on its size, making it a common point of confusion for consumers watching their intake.