How many calories are in a plain hamburger with bun?
                                
                                
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                                    4 min read                                
                            
                                According to the USDA, a standard, plain hamburger with a single beef patty and white bun contains approximately 418 calories. This figure serves as a baseline, but the total calories can fluctuate significantly based on patty size, fat content, and bun type, making it a key metric for anyone managing their caloric intake.