How heavy is a Big Mac? The surprising truth about its weight
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to McDonald's UK, the average uncooked weight of a Big Mac is 240 grams (or about 8.5 ounces), but the final weight can differ slightly due to the cooking process. This iconic burger's true weight, post-preparation, varies, making the final value a bit of a mystery to most consumers. Here, we uncover the factors that determine how heavy a Big Mac truly is.