Understanding the Nutritional Impact: How many calories are in just a Whopper patty?
                                
                                
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                                    3 min read                                
                            
                                According to nutritional data, a plain Burger King Whopper with no bun contains 240 calories. This provides a solid basis to determine that the beef patty itself is the primary source of calories in that simplified version, helping to answer how many calories are in just a Whopper patty.