How Many Carbs Are in a 10 Inch Sub Roll? Your Guide to Nutrition
                                
                                
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                                    4 min read                                
                            
                                According to nutritional data from different commercial bakeries, the number of carbohydrates in a 10 inch sub roll can range significantly, with some versions containing as few as 28 grams and others as many as 78 grams. Knowing how many carbs are in a 10 inch sub roll requires looking past the length and considering the type of bread and specific brand's recipe.