How many calories should I eat when I'm not fasting? A personalized guide
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to the Dietary Guidelines for Americans, adult women generally need between 1,600 and 2,400 calories per day, while men need 2,200 to 3,000, depending on various factors. The exact answer to "how many calories should I eat when I'm not fasting?" is highly personal and depends on several key metrics.