How much is 40 grams of oatmeal in cups?
                                
                                
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                                    3 min read                                
                            
                                According to Healthline, a standard serving size of oats is 40 grams. But how much is 40 grams of oatmeal in cups? The answer varies significantly depending on the type of oatmeal you're measuring, due to differences in grain size and density.