How many calories does a butter cake have? A Complete Calorie Guide
                                
                                
                                •
                                
                                
                        
                                    
                                    2 min read                                
                            
                                A 67-gram slice of butter cake has around 262 calories, according to Nutritionix. The calorie count varies greatly. Knowing how many calories a butter cake has requires a look at its ingredients and serving size.