How many pieces of penne are 100 calories? Your guide to portion control
                                
                                
                                •
                                
                                
                        
                                    
                                    7 min read                                
                            
                                One hundred grams of dry penne contains approximately 352-371 calories, a significantly different value than when it is cooked. Understanding how many pieces of penne are 100 calories is crucial for accurate calorie tracking, as the pasta's weight changes drastically after absorbing water.