How many calories does a big bowl of oatmeal have?
                                
                                
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                                    3 min read                                
                            
                                According to nutrition data, a standard half-cup serving of dry rolled oats, which makes about one cup cooked, contains approximately 150 calories. So, how many calories does a big bowl of oatmeal have, and how do popular ingredients like milk, nuts, and sweeteners dramatically change this number? This article provides a comprehensive breakdown to help you make informed dietary choices.