How many calories in a Chick-fil-A white buttered bun? The full nutrition breakdown
                                
                                
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                                    4 min read                                
                            
                                According to Chick-fil-A's official nutrition data, a standard white buttered bun contains 180 calories. This is a key piece of information for anyone monitoring their intake or trying to understand the full caloric impact of their favorite Chick-fil-A sandwich.