How many calories are in a lager?
                                
                                
                                •
                                
                                
                        
                                    
                                    2 min read                                
                            
                                On average, a standard 12-ounce (355 ml) serving of regular lager contains about 150 calories, though this can fluctuate based on alcohol content and other factors. Understanding how many calories are in a lager requires looking at the brewing process and ingredients, which are the main determinants of a beer's caloric value.