How many french fries is 150 calories worth?
                                
                                
                                •
                                
                                
                        
                                    
                                    5 min read                                
                            
                                According to research from Harvard Health, an "official" serving size of fries is just 10 to 15 individual pieces, which typically falls within the 130–150 calorie range. So, how many french fries is 150 calories worth depends heavily on where they come from and how they are cooked.