How Many Calories in a 4 Inch Sub Bread?
                                
                                
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                                    6 min read                                
                            
                                On average, a standard white 4-inch sub bread contains approximately 130-150 calories, but this number can vary significantly depending on the recipe, density, and added ingredients. The seemingly simple bread component of your submarine sandwich is actually one of the biggest determinants of its overall caloric value. Understanding the factors at play can help you make more informed decisions about your meal.