How Many Calories Are in a Single Margarita?
                                
                                
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                                    4 min read                                
                            
                                According to the USDA, an average 8-ounce margarita contains about 274 calories. However, the exact number of calories are in a single margarita varies dramatically depending on ingredients, serving size, and preparation method, with some restaurant versions exceeding 500 calories.