How many calories does 1 loaf of bread have? A comprehensive nutritional guide
                                
                                
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                                    3 min read                                
                            
                                According to USDA data, a single 754g whole loaf of white bread contains approximately 2006 calories, but how many calories does 1 loaf of bread have can differ drastically based on size, density, and ingredients. A smaller, denser, or specialty loaf will have a completely different total.